Check server response of
Server response
NS records
Whois domain
301 Moved Permanently - piftp.com
HTTP Status: 301
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Date: Thu, 08 May 2025 19:08:08 GMT
Upgrade: h2,h2c
Connection: Upgrade
Location: https://perimeterinstitute.ca
Content-Length: 0
Content-Type: text/html; charset=UTF-8
HTTP Code 301 Moved Permanently
301 status code means that the requested resource has been permanently moved to a new URL. All future requests should use the new address.
When is Code 301 used?
- When changing a website domain
- When modifying URL structures
- When setting up redirects for SEO
What does Code 301 mean for the user?
The browser will automatically redirect the user to the new address, and search engines will update their indexes.
200 OK - https://perimeterinstitute.ca
HTTP Status: 200
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Date: Thu, 08 May 2025 19:08:08 GMT
Content-Type: text/html; charset=UTF-8
Transfer-Encoding: chunked
Connection: keep-alive
Cache-Control: must-revalidate, no-cache, private
content-language: en
expires: Sun, 19 Nov 1978 05:00:00 GMT
traceresponse: 00-183da2da34a76f4ace83fd75bf04496f-e1791c230a0c8290-01
vary: X-Consumer-ID
x-consumer-id: 558159a1-c096-4256-9239-4c2fe9dd084a
x-content-type-options: nosniff
x-debug-info: eyJyZXRyaWVzIjowfQ==
x-drupal-cache: HIT
x-frame-options: ALLOW-FROM https://outreach.perimeterinstitute.ca
x-generator: Drupal 10 (https://www.drupal.org)
x-platform-cache: MISS
x-platform-cluster: wfnpwsmjgjyzw-master-7rqtwti
x-platform-processor: dfvvg7kd4yyyghatfst7gecpte
x-platform-router: 4gpw7eajnffzua7qpo3lmoyk7u
CF-Cache-Status: BYPASS
Accept-Ranges: bytes
Server: cloudflare
CF-RAY: 93cb3e772ee03a92-FRA
HTTP Code 200 OK
200 status code is a standard successful HTTP server response. It means that the client’s request (e.g., from a browser) was successfully processed, and the server is delivering the requested data.
When is Code 200 used?
- When loading a web page
- When successfully receiving an API response
- When processing a form or another HTTP request
What does Code 200 mean for the user?
The user receives content without errors, and the page or application functions properly. If Code 200 is accompanied by data, the browser or program processes and displays it to the user.
GET / HTTP/1.1 Host: piftp.com Accept: */* User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
<!DOCTYPE html>
<html lang="en" dir="ltr" prefix="content: http://purl.org/rss/1.0/modules/content/ dc: http://purl.org/dc/terms/ foaf: http://xmlns.com/foaf/0.1/ og: http://ogp.me/ns# rdfs: http://www.w3.org/2000/01/rdf-schema# schema: http://schema.org/ sioc: http://rdfs.org/sioc/ns# sioct: http://rdfs.org/sioc/types# skos: http://www.w3.org/2004/02/skos/core# xsd: http://www.w3.org/2001/XMLSchema# ">
<head>
<meta charset="utf-8" />
<meta name="description" content="From quarks to black holes & beyond, explore free physics lectures, seminars, & courses for teachers & students from high school to post university." />
<link rel="canonical" href="https://perimeterinstitute.ca/" />
<link rel="shortlink" href="https://perimeterinstitute.ca/" />
<meta name="Generator" content="Drupal 10 (https://www.drupal.org)" />
<meta name="MobileOptimized" content="width" />
<meta name="HandheldFriendly" content="true" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<link rel="alternate" hreflang="x-default" href="https://perimeterinstitute.ca/" />
<link rel="alternate" hreflang="en" href="https://perimeterinstitute.ca/" />
<link rel="alternate" hreflang="fr" href="https://perimeterinstitute.ca/fr" />
<link rel="icon" href="/sites/default/files/PI_symbol_48px.ico" type="image/vnd.microsoft.icon" />
<title>Homepage | Perimeter Institute</title>
<link rel="stylesheet" media="all" href="/libraries/slick-carousel/slick/slick.css?sv93m4" />
<link rel="stylesheet" media="all" href="/core/modules/system/css/components/align.module.css?sv93m4" />
<link rel="stylesheet" media="all" href="/core/modules/system/css/components/fieldgroup.module.css?sv93m4" />
<link rel="stylesheet" media="all" href="/core/modules/system/css/components/container-inline.module.css?sv93m4" />
<link rel="stylesheet" media="all" href="/core/modules/system/css/components/clearfix.module.css?sv93m4" />
<link rel="stylesheet" media="all" href="/core/modules/system/css/components/details.module.css?sv93m4" />
<link rel="stylesheet" media="all" href="/core/modules/system/css/components/hidden.module.css?sv93m4" />
<link rel="stylesheet" media="all" href="/core/modules/system/css/components/item-list.module.css?sv93m4" />
<link rel="stylesheet" media="all" href="/core/modules/system/css/components/js.module.css?sv93m4" />
<link rel="stylesheet" media="all" href="/core/modules/system/css/components/nowrap.module.css?sv93m4" />
<link rel="stylesheet" media="all" href="/core/modules/system/css/components/position-container.module.css?sv93m4" />
<link rel="stylesheet" media="all" href="/core/modules/system/css/components/reset-appearance.module.css?sv93m4" />
<link rel="stylesheet" media="all" href="/core/modules/system/css/components/resize.module.css?sv93m4" />
<link rel="stylesheet" media="all" href="/core/modules/system/css/components/system-status-counter.css?sv93m4" />
<link rel="stylesheet" media="all" href="/core/modules/system/css/components/system-status-report-counters.css?sv93m4" />
<link rel="stylesheet" media="all" href="/core/modules/system/css/components/system-status-report-general-info.css?sv93m4" />
<link rel="stylesheet" media="all" href="/core/modules/system/css/components/tablesort.module.css?sv93m4" />
<link rel="stylesheet" media="all" href="//cdn.jsdelivr.net/npm/@accessible360/[email protected]/slick/slick.min.css" />
<link rel="stylesheet" media="all" href="/core/modules/views/css/views.module.css?sv93m4" />
<link rel="stylesheet" media="all" href="/modules/contrib/better_exposed_filters/css/better_exposed_filters.css?sv93m4" />
<link rel="stylesheet" media="all" href="/core/modules/layout_discovery/layouts/onecol/onecol.css?sv93m4" />
<link rel="stylesheet" media="all" href="//cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap-grid.min.css" />
<link rel="stylesheet" media="all" href="/themes/custom/pi_theme/libraries/global/reset.css?sv93m4" />
<link rel="stylesheet" media="all" href="/themes/custom/pi_theme/libraries/global/variables.css?sv93m4" />
<link rel="stylesheet" media="all" href="/themes/custom/pi_theme/libraries/global/variables--layout.css?sv93m4" />
<link rel="stylesheet" media="all" href="/themes/custom/pi_theme/libraries/global/elements.css?sv93m4" />
<link rel="stylesheet" media="all" href="/themes/custom/pi_theme/libraries/global/buttons.css?sv93m4" />
<link rel="stylesheet" media="all" href="/themes/custom/pi_theme/libraries/global/forms.css?sv93m4" />
<link rel="stylesheet" media="all" href="/themes/custom/pi_theme/libraries/global/media.css?sv93m4" />
<link rel="stylesheet" media="all" href="/themes/custom/pi_theme/libraries/global/messages.css?sv93m4" />
<link rel="stylesheet" media="all" href="/themes/custom/pi_theme/libraries/global/nav.css?sv93m4" />
<link rel="stylesheet" media="all" href="/themes/custom/pi_theme/libraries/global/pagers.css?sv93m4" />
<link rel="stylesheet" media="all" href="/themes/custom/pi_theme/libraries/global/tabs.css?sv93m4" />
<link rel="stylesheet" media="all" href="/themes/custom/pi_theme/libraries/global/tables.css?sv93m4" />
<link rel="stylesheet" media="all" href="/themes/custom/pi_theme/libraries/global/utilities.css?sv93m4" />
<link rel="stylesheet" media="all" href="/themes/custom/pi_theme/libraries/global/utilities--bg-colors.css?sv93m4" />
<link rel="stylesheet" media="all" href="/themes/custom/pi_theme/libraries/global/layout-builder.css?sv93m4" />
<link rel="stylesheet" media="all" href="/themes/custom/pi_theme/libraries/global/utilities--layout.css?sv93m4" />
<link rel="stylesheet" media="all" href="/themes/custom/pi_theme/libraries/global/search--results.css?sv93m4" />
<link rel="stylesheet" media="all" href="/core/../themes/custom/pi_theme/components/block/banner/banner.css?sv93m4" />
<link rel="stylesheet" media="all" href="/core/../themes/custom/pi_theme/components/block/card/card.css?sv93m4" />
<link rel="stylesheet" media="all" href="/core/../themes/custom/pi_theme/components/layout/carousel/carousel.css?sv93m4" />
<link rel="stylesheet" media="all" href="/core/../themes/custom/pi_theme/components/element/icon_field/icon_field.css?sv93m4" />
<link rel="stylesheet" media="all" href="/core/../themes/custom/pi_theme/components/block/language_switcher/language_switcher.css?sv93m4" />
<link rel="stylesheet" media="all" href="/core/../themes/custom/pi_theme/components/block/menus/main_menu/main_menu.css?sv93m4" />
<link rel="stylesheet" media="all" href="/core/../themes/custom/pi_theme/components/block/media_block/media_block.css?sv93m4" />
<link rel="stylesheet" media="all" href="/core/../themes/custom/pi_theme/components/block/menus/menu.css?sv93m4" />
<link rel="stylesheet" media="all" href="/core/../themes/custom/pi_theme/components/block/search_form/search_form.css?sv93m4" />
<link rel="stylesheet" media="all" href="/core/../themes/custom/pi_theme/components/layout/site_footer/site_footer.css?sv93m4" />
<link rel="stylesheet" media="all" href="/core/../themes/custom/pi_theme/components/layout/site_header/site_header.css?sv93m4" />
<link rel="stylesheet" media="all" href="/core/../themes/custom/pi_theme/components/block/social_links/social_links.css?sv93m4" />
<link rel="stylesheet" media="all" href="/core/../themes/custom/pi_theme/components/block/menus/utility_menu/utility_menu.css?sv93m4" />
<link rel="stylesheet" media="all" href="/themes/custom/pi_theme/libraries/animations/animations.css?sv93m4" />
<link rel="stylesheet" media="all" href="/libraries/slick-carousel/slick/slick-theme.css?sv93m4" />
</head>
<body>
<a href="#main-content" class="visually-hidden focusable">
Skip to main content
</a>
<div class="dialog-off-canvas-main-canvas" data-off-canvas-main-canvas>
<header class="site-header header-reversed">
<div class="site-header-inner container">
<div class="site-header-branding">
<div data-component-id="pi_theme:site_branding" class="site-branding">
<a href="/" rel="home">
<img src="/themes/custom/pi_theme/logo.svg" alt="" class="logo logo-standard" />
<img src="/themes/custom/pi_theme/logo-reversed.svg" alt="" class="logo logo-reversed" />
</a>
</div>
</div>
<div class="mobile-menu-button">
<button id="toggle-menu" class="toggle-menu btn-reset" aria-controls="#menu-wrapper" aria-expanded="false" >
<svg aria-hidden="true"><use xlink:href="#menu-bars"></svg>
<span class="label visually-hidden"> Open Menu </span>
</button>
</div>
<div class="mobile-menu-wrapper" id="menu-wrapper">
<div class="mobile-menu-container">
<div class="mobile-menu-header" aria-hidden="true">
<div data-component-id="pi_theme:site_branding" class="site-branding">
<a href="/" rel="home">
<img src="/themes/custom/pi_theme/logo.svg" alt="" class="logo logo-standard" />
</a>
</div>
<button id="menu-close" class="menu-trigger btn-reset" aria-expanded="false" aria-controls="#menu-wrapper">
<svg><use xlink:href="#close-x"></svg>
<span class="label visually-hidden">Close menu</span>
</button>
</div>
<div class="site-header-top">
<nav id="block-pi-theme-utilitymenu" data-block-plugin-id="system_menu_block:utility-menu" class="block block-system block-system-menu-block--utility-menu" role="navigation" aria-labelledby="block-pi-theme-utilitymenu-menu"
id="block-pi-theme-utilitymenu" data-block-plugin-id="system_menu_block:utility-menu" class="block block-system block-system-menu-block--utility-menu block-menu--utility-menu">
<div class="visually-hidden" role="heading">Utility Menu</div>
<ul data-block-region="header_top" data-component-id="pi_theme:menu" class="menu menu--utility-menu menu-level--0">
<li class="menu-item">
<a href="https://id.perimeterinstitute.ca/" class="menu-link">Sign In</a>
</li>
<li class="menu-item">
<a href="/careers" class="menu-link" data-drupal-link-system-path="node/18">Careers</a>
</li>
<li class="menu-item">
<a href="/people" class="menu-link" data-drupal-link-system-path="node/31">People</a>
</li>
<li class="menu-item">
<a href="/info/donors" class="menu-link" data-drupal-link-system-path="node/285">Support PI</a>
</li>
</ul>
</nav>
<div class="language-switcher-language-url block block-language block-language-block--language-interface" id="block-pi-theme-languageswitcher" role="navigation" data-block-plugin-id="language_block:language_interface">
<div class="links language-switcher" data-component-id="pi_theme:language_switcher">
<h3 class="label">Language</h3>
<ul class="language-links display-list inline-list">
<li class="language-item">
<a href="/" class="language-link is-active" hreflang="en" data-drupal-link-system-path="<front>" aria-current="page">en</a>
</li>
<li class="language-item">
<a href="/fr" class="language-link" hreflang="fr" data-drupal-link-system-path="<front>">fr</a>
</li>
</ul>
</div>
</div>
<div id="block-pi-theme-keywordsearchblocksitewideheader" data-block-plugin-id="pi_keyword_search_site_header" class="block block-pi-core block-pi-keyword-search-site-header search-form with-toggle" data-component-id="pi_theme:search_form">
<div id="search-form-wrapper">
<form class="views-exposed-form bef-exposed-form" data-bef-auto-submit-full-form="" data-bef-auto-submit="" data-bef-auto-submit-delay="500" data-drupal-selector="views-exposed-form-solr-search-search-results" action="/search" method="get" id="views-exposed-form-solr-search-search-results-block-header-search" accept-charset="UTF-8">
<div class="js-form-item form-item form-textfield js-form-type-textfield form-item-keywords js-form-item-keywords">
<label class="visually-hidden" for="edit-keywords">Keyword Search</label>
<input placeholder="Search here..." data-bef-auto-submit-exclude="" data-drupal-selector="edit-keywords" autocomplete="off" type="text" id="edit-keywords" name="keywords" value="" size="30" maxlength="128" class="form-text" />
</div>
<div data-drupal-selector="edit-actions" class="form-actions js-form-wrapper form-wrapper" id="edit-actions"><input data-bef-auto-submit-click="" data-drupal-selector="edit-submit-solr-search" type="submit" id="edit-submit-solr-search" value="Search" class="button js-form-submit form-submit" />
</div>
</form>
</div>
<button id="toggle-search" class="toggle-search btn-reset" aria-controls="#search-form-wrapper" aria-expanded="false" >
<svg aria-hidden="true"><use xlink:href="#search"></svg>
<span class="visually-hidden">Open search </span>
</button>
</div>
</div>
<div class="site-header-main">
<div class="region region-header-main">
<nav id="block-pi-theme-main-menu" data-block-plugin-id="system_menu_block:main" class="block block-system block-system-menu-block--main" role="navigation" aria-labelledby="block-pi-theme-main-menu-menu"
id="block-pi-theme-main-menu" data-block-plugin-id="system_menu_block:main" class="block block-system block-system-menu-block--main block-menu--main">
<div class="visually-hidden" role="heading">Main navigation</div>
<ul data-block-region="header_main" data-component-id="pi_theme:menu" class="menu menu--main menu-level--0">
<li class="menu-item menu-item--expanded">
<a href="/about-perimeter-institute" class="menu-link" title="About Perimeter Institute" data-drupal-link-system-path="node/60">About Us</a>
<button class="menu-dropdown-trigger btn-reset" aria-expanded="false">
<span class="hidden">show dropdown</span>
<svg aria-hidden="true"><use xlink:href="#chevron-down"></svg>
</button>
<ul class="menu menu-level--1">
<li class="menu-item">
<a href="/about-us/our-story" class="menu-link" title="History of Perimeter Institute" data-drupal-link-system-path="node/207">Our Story</a>
</li>
<li class="menu-item">
<a href="/about-us/honours-and-awards" class="menu-link" title="Honours and awards" data-drupal-link-system-path="node/256">Honours and Awards</a>
</li>
<li class="menu-item menu-item--collapsed">
<a href="/about-us/governance" class="menu-link" title="Governance" data-drupal-link-system-path="node/192">Governance</a>
</li>
<li class="menu-item">
<a href="/about-us/partnerships" class="menu-link" title="Partnerships" data-drupal-link-system-path="node/258">Partnerships</a>
</li>
<li class="menu-item">
<a href="/about-us/our-facility" class="menu-link" title="Facility" data-drupal-link-system-path="node/262">Our Facility</a>
</li>
<li class="menu-item">
<a href="/about-us/our-funding" class="menu-link" title="Funding" data-drupal-link-system-path="node/319">Our Funding</a>
</li>
<li class="menu-item">
<a href="/about-us/equity-diversity-and-inclusion" class="menu-link" title="Equity, Diversity, and Inclusion" data-drupal-link-system-path="node/159">Equity, Diversity, and Inclusion</a>
</li>
<li class="menu-item">
<a href="/about-us/reports-and-reviews" class="menu-link" title="Reports and audits" data-drupal-link-system-path="node/257">Reports and Reviews</a>
</li>
</ul>
</li>
<li class="menu-item menu-item--expanded">
<a href="/research" title="Research" class="menu-link" data-drupal-link-system-path="node/33">Research</a>
<button class="menu-dropdown-trigger btn-reset" aria-expanded="false">
<span class="hidden">show dropdown</span>
<svg aria-hidden="true"><use xlink:href="#chevron-down"></svg>
</button>
<ul class="menu menu-level--1">
<li class="menu-item menu-item--collapsed">
<a href="/research/research-areas" class="menu-link" data-drupal-link-system-path="node/286">Research Areas</a>
</li>
<li class="menu-item">
<a href="/people?view_by=field_research_position" class="menu-link" data-drupal-link-query="{"view_by":"field_research_position"}" data-drupal-link-system-path="node/31">Perimeter Researchers</a>
</li>
<li class="menu-item menu-item--collapsed">
<a href="/research/research-centres-and-initiatives" class="menu-link" data-drupal-link-system-path="node/278">Research Centres and Initiatives</a>
</li>
<li class="menu-item menu-item--collapsed">
<a href="/info/visitor-programs" class="menu-link" data-drupal-link-system-path="node/37">Visitor Programs</a>
</li>
<li class="menu-item menu-item--collapsed">
<a href="/research/emmy-noether-initiatives" class="menu-link" data-drupal-link-system-path="node/650">Emmy Noether Initiatives</a>
</li>
<li class="menu-item menu-item--collapsed">
<a href="/research/conferences" class="menu-link" data-drupal-link-system-path="node/644">Conferences</a>
</li>
<li class="menu-item">
<a href="/research/seminars" class="menu-link" data-drupal-link-system-path="node/444">Seminars</a>
</li>
</ul>
</li>
<li class="menu-item menu-item--expanded">
<a href="/training" class="menu-link" title="Training" data-drupal-link-system-path="node/586">Training</a>
<button class="menu-dropdown-trigger btn-reset" aria-expanded="false">
<span class="hidden">show dropdown</span>
<svg aria-hidden="true"><use xlink:href="#chevron-down"></svg>
</button>
<ul class="menu menu-level--1">
<li class="menu-item menu-item--collapsed">
<a href="/training/masters-program" class="menu-link" data-drupal-link-system-path="node/587">Master's Program</a>
</li>
<li class="menu-item menu-item--collapsed">
<a href="/training/undergraduate-program" class="menu-link" data-drupal-link-system-path="node/6210">Undergraduate Program</a>
</li>
<li class="menu-item menu-item--collapsed">
<a href="/training/undergraduate-bridge-program" class="menu-link" data-drupal-link-system-path="node/6222">Undergraduate Bridge Program</a>
</li>
<li class="menu-item">
<a href="/training/graduate-courses" class="menu-link" data-drupal-link-system-path="node/635">Graduate Courses</a>
</li>
<li class="menu-item menu-item--collapsed">
<a href="/training/phd-students" class="menu-link" data-drupal-link-system-path="node/592">PhD Students</a>
</li>
<li class="menu-item menu-item--collapsed">
<a href="/training/career-trajectories" class="menu-link" data-drupal-link-system-path="node/638">Career Trajectories</a>
</li>
<li class="menu-item">
<a href="/training/online-training" class="menu-link" data-drupal-link-system-path="node/636">Online Training</a>
</li>
<li class="menu-item menu-item--collapsed">
<a href="/training/global-training" class="menu-link" data-drupal-link-system-path="node/1217">Global Training</a>
</li>
<li class="menu-item">
<a href="/training/visiting-students" class="menu-link" data-drupal-link-system-path="node/7032">Visiting Students</a>
</li>
<li class="menu-item menu-item--collapsed">
<a href="/training/alumni-network" class="menu-link" data-drupal-link-system-path="node/28847">Alumni Network</a>
</li>
</ul>
</li>
<li class="menu-item menu-item--expanded">
<a href="/outreach" class="menu-link" title="Outreach" data-drupal-link-system-path="node/1271">Outreach</a>
<button class="menu-dropdown-trigger btn-reset" aria-expanded="false">
<span class="hidden">show dropdown</span>
<svg aria-hidden="true"><use xlink:href="#chevron-down"></svg>
</button>
<ul class="menu menu-level--1">
<li class="menu-item">
<a href="/outreach/perimeters-25th-anniversary" class="menu-link" data-drupal-link-system-path="node/31271">Perimeter's 25th Anniversary</a>
</li>
<li class="menu-item">
<a href="/outreach/we-are-explorers" class="menu-link" data-drupal-link-system-path="node/29811">We are Explorers</a>
</li>
<li class="menu-item menu-item--collapsed">
<a href="/outreach/teachers" class="menu-link" data-drupal-link-system-path="node/1209">For Teachers</a>
</li>
<li class="menu-item menu-item--collapsed">
<a href="/outreach/students" class="menu-link" data-drupal-link-system-path="node/1210">For Students</a>
</li>
<li class="menu-item menu-item--collapsed">
<a href="/outreach/general-public" class="menu-link" data-drupal-link-system-path="node/1215">For General Public</a>
</li>
</ul>
</li>
<li class="menu-item menu-item--expanded">
<a href="/events" class="menu-link" title="Events" data-drupal-link-system-path="node/29380">Events</a>
<button class="menu-dropdown-trigger btn-reset" aria-expanded="false">
<span class="hidden">show dropdown</span>
<svg aria-hidden="true"><use xlink:href="#chevron-down"></svg>
</button>
<ul class="menu menu-level--1">
<li class="menu-item">
<a href="/events" class="menu-link" data-drupal-link-system-path="node/29380">Public Events</a>
</li>
<li class="menu-item">
<a href="/events/scientific-events" class="menu-link" data-drupal-link-system-path="node/26">Scientific Events</a>
</li>
</ul>
</li>
<li class="menu-item">
<a href="/news" class="menu-link">News & Ideas</a>
</li>
</ul>
</nav>
<div id="block-pi-theme-donatebutton" data-block-plugin-id="block_content:1cd872ac-ccf7-40cd-ac65-a3d6bf8a7c49" class="block block-block-content block-block-content--1cd872ac-ccf7-40cd-ac65-a3d6bf8a7c49">
<div class="field field--body field--text-with-summary"><p><a class="btn btn-sm btn-primary font-weight-normal" href="https://landing.perimeterinstitute.ca/newsletter-signup">Get Updates</a></p></div>
</div>
</div>
</div>
</div>
</div>
</div>
</header>
<div data-component-id="pi_theme:banner" class="banner transition__ease-all banner-size--fullscreen banner--with-media darkened-overlay" >
<div class="banner-content">
<div class="container">
<h1>Perimeter Celebrates 25 Years of Discovery</h1>
<div class="field field--body field--text-with-summary"><p>Perimeter is turning 25, and we want you to join us in a celebration of physics in 2025. Throughout the year, we’ll be hosting an exciting array of events to celebrate the curiosity, wonder, and groundbreaking research happening here and around the world. </p></div>
<a href=https://landing.perimeterinstitute.ca/newsletter-signup class="btn btn-primary">
Get Notified of Upcoming Events
</a>
</div>
</div>
<div class="banner-media">
<div class="banner-media-default">
<div class="media media--video-file media-view--banner_full">
<div>
<strong class="visually-hidden">Video file</strong>
<video autoplay="autoplay" loop="loop" muted="muted" width="640" height="480">
<source src="/sites/default/files/2025-05/Evan%20Pappas%27s%20Video%20-%20May%205%2C%202025-VEED%20%281%29.mp4" type="video/mp4" />
</video>
</div>
</div>
</div>
</div>
</div>
<main class="site-main">
<div class="region region-admin container">
<div data-drupal-messages-fallback class="hidden"></div>
<div data-drupal-messages-fallback class="hidden"></div>
</div>
<div class="region region-content">
<div id="block-pi-theme-content" data-block-plugin-id="system_main_block" class="block block-system block-system-main-block">
<article about="/homepage" class="node landing-page full">
<div class="container layout layout--onecol">
<div class="layout__region layout__region--content">
<div data-block-plugin-id="block_content:1f2e85e9-2281-4192-8740-76c1592dbe72" class="block block-block-content block-block-content--1f2e85e9-2281-4192-8740-76c1592dbe72">
<div class="field field--body field--text-with-summary"><h3>Latest News & Ideas</h3></div>
</div>
<div data-block-plugin-id="inline_block:interested_in_block" class="block block-layout-builder block-inline-block--interested-in-block">
<div class="views-element-container"><div class="js-view-dom-id-fc819a34b0269a4487b923cf7983fb6c17bfcd88dc8cf3e6e722dc344da05109">
<div data-component-id="pi_theme:carousel" class="carousel carousel--mobile-only carousel--">
<div class="carousel-items grid">
<div about="/news/quantum-chemistry-universes-coldest-test-tube" data-component-id="pi_theme:card" class="card card-linked">
<div class="card-media">
<div class="field field--field-media field--entity-reference"> <img loading="lazy" src="/sites/default/files/styles/news_card/public/2025-04/Alan%20Jamison.png?h=57024e64" width="350" height="214" alt="Alan Jamison" typeof="foaf:Image" />
</div>
</div>
<div class="card-content bg-color bg-color--white fix-last-item">
<span class="card-arrow-icon" >
<svg aria-hidden="true" alt=" " height="24" viewBox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg">
<path d="m19 11c.5522847 0 1 .4477153 1 1s-.4477153 1-1 1h-14c-.55228475 0-1-.4477153-1-1s.44771525-1 1-1z"></path><path d="m11.2928932 4.29289322c.3905243-.39052429 1.0236893-.39052429 1.4142136 0l7 6.99999998c.3905243.3905243.3905243 1.0236893 0 1.4142136l-7 7c-.3905243.3905243-1.0236893.3905243-1.4142136 0s-.3905243-1.0236893 0-1.4142136l6.2921068-6.2928932-6.2921068-6.29289322c-.3604839-.36048396-.3882135-.92771502-.0831886-1.32000622z"></path>
</svg>
</span>
<span class="card-category">Science feature</span>
<h3 class="card-heading">
<a href="https://www.eventbrite.ca/e/quantum-chemistry-in-the-universes-coldest-test-tube-tickets-1356955954789?utm-campaign=social&utm-content=attendeeshare&utm-medium=discovery&utm-term=listing&utm-source=cp&aff=ebdsshcopyurl" class="card-link" target="_blank">
<span>Quantum Chemistry in the Universe’s Coldest Test Tube</span>
</a>
</h3>
<p data-component-id="pi_theme:icon_field" class="icon-field">
<svg aria-hidden="true"><use xlink:href="#calendar"></svg>
May 7, 2025
</p>
</div>
</div>
<div about="/news/quantum-phases-are-weird-and-unexpectedly-useful" data-component-id="pi_theme:card" class="card card-linked">
<div class="card-media">
<div class="field field--field-media field--entity-reference"> <img loading="lazy" src="/sites/default/files/styles/news_card/public/2025-05/gsecara_Quantum_entanglement_is_the_phenomenon_that_occurs_when_55b02ffc-4fcd-4d0f-887c-e9e0f2e2a7d9.png?h=0f7f6233" width="350" height="214" typeof="foaf:Image" />
</div>
</div>
<div class="card-content bg-color bg-color--white fix-last-item">
<span class="card-arrow-icon" >
<svg aria-hidden="true" alt=" " height="24" viewBox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg">
<path d="m19 11c.5522847 0 1 .4477153 1 1s-.4477153 1-1 1h-14c-.55228475 0-1-.4477153-1-1s.44771525-1 1-1z"></path><path d="m11.2928932 4.29289322c.3905243-.39052429 1.0236893-.39052429 1.4142136 0l7 6.99999998c.3905243.3905243.3905243 1.0236893 0 1.4142136l-7 7c-.3905243.3905243-1.0236893.3905243-1.4142136 0s-.3905243-1.0236893 0-1.4142136l6.2921068-6.2928932-6.2921068-6.29289322c-.3604839-.36048396-.3882135-.92771502-.0831886-1.32000622z"></path>
</svg>
</span>
<span class="card-category">Ideas</span>
<h3 class="card-heading">
<a href="/news/quantum-phases-are-weird-and-unexpectedly-useful" class="card-link" target="_self">
<span>Quantum phases are weird (and unexpectedly useful)</span>
</a>
</h3>
<p data-component-id="pi_theme:icon_field" class="icon-field">
<svg aria-hidden="true"><use xlink:href="#calendar"></svg>
May 5, 2025
</p>
</div>
</div>
<div about="/news/quiz-find-your-physics-match" data-component-id="pi_theme:card" class="card card-linked">
<div class="card-media">
<div class="field field--field-media field--entity-reference"> <img loading="lazy" src="/sites/default/files/styles/news_card/public/2025-05/Find%20your%20%281%29.png?h=c673cd1c" width="350" height="214" typeof="foaf:Image" />
</div>
</div>
<div class="card-content bg-color bg-color--white fix-last-item">
<span class="card-arrow-icon" >
<svg aria-hidden="true" alt=" " height="24" viewBox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg">
<path d="m19 11c.5522847 0 1 .4477153 1 1s-.4477153 1-1 1h-14c-.55228475 0-1-.4477153-1-1s.44771525-1 1-1z"></path><path d="m11.2928932 4.29289322c.3905243-.39052429 1.0236893-.39052429 1.4142136 0l7 6.99999998c.3905243.3905243.3905243 1.0236893 0 1.4142136l-7 7c-.3905243.3905243-1.0236893.3905243-1.4142136 0s-.3905243-1.0236893 0-1.4142136l6.2921068-6.2928932-6.2921068-6.29289322c-.3604839-.36048396-.3882135-.92771502-.0831886-1.32000622z"></path>
</svg>
</span>
<span class="card-category">Science feature</span>
<h3 class="card-heading">
<a href="https://perimeterinstitute.typeform.com/physics-match" class="card-link" target="_blank">
<span>Quiz - Find Your Physics Match!</span>
</a>
</h3>
<p data-component-id="pi_theme:icon_field" class="icon-field">
<svg aria-hidden="true"><use xlink:href="#calendar"></svg>
May 1, 2025
</p>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<div data-block-plugin-id="block_content:811eb36f-996d-4b15-9ee4-a818061b4716" class="block block-block-content block-block-content--811eb36f-996d-4b15-9ee4-a818061b4716">
<div class="field field--body field--text-with-summary"><p><a class="btn" href="/news-and-ideas" data-entity-type="node" data-entity-uuid="41680bf4-e81d-4466-84d4-5dbb1835d7d2" data-entity-substitution="canonical">Read More</a></p></div>
</div>
</div>
</div>
<div class="bg-color bg-color--blue fullwidth layout layout--onecol">
<div class="layout__region layout__region--content">
<div data-block-plugin-id="block_content:2439ad96-4b4c-4a09-b5e1-6557d67589a2" class="block block-block-content block-block-content--2439ad96-4b4c-4a09-b5e1-6557d67589a2">
<div class="field field--body field--text-with-summary"><h3>“Perimeter is a grand experiment in theoretical physics. I am hoping, and expecting, great things will happen here.”</h3><h5><em>- Stephen Hawking, Perimeter Institute Distinguished Research Chair</em></h5></div>
</div>
</div>
</div>
<div class="layout blb-layout"><div class="container">
<div class="container layout row layout-builder__layout">
<div class="col-lg-6 col-md-12 col-12">
<div data-block-plugin-id="inline_block:text" class="block block-layout-builder block-inline-block--text">
</div>
<div data-block-plugin-id="inline_block:text" class="block block-layout-builder block-inline-block--text">
<h2>Shaping the Future of Physics</h2>
<div class="field field--body field--text-with-summary"><p>Perimeter Institute is a world-leading center for theoretical physics, dedicated to unraveling the deepest mysteries of the universe. Through groundbreaking research, innovative training programs, and inspiring outreach initiatives, we bring together brilliant minds from around the globe to explore space, time, matter, and beyond.</p><p>Founded with the vision of fostering collaboration and pushing the boundaries of human knowledge, Perimeter is a place where curiosity thrives, and transformative ideas take shape.<br> </p></div>
<div class="field field--field-link field--link"><a href="/about-perimeter-institute" class="btn">Learn More</a></div>
</div>
</div>
<div class="col-lg-6 col-md-12 col-12">
<figure data-block-plugin-id="inline_block:media" class="block block-layout-builder block-inline-block--media media-block" data-component-id="pi_theme:media_block">
<div class="media-item ">
<div class="media media--image media-view--full_width_contained">
<div class="field field--image"> <img loading="lazy" srcset="/sites/default/files/styles/scale_width_400/public/2025-01/Building%202024%20013%20%281%29.jpg 400w, /sites/default/files/styles/scale_width_600/public/2025-01/Building%202024%20013%20%281%29.jpg 600w, /sites/default/files/styles/scale_width_800/public/2025-01/Building%202024%20013%20%281%29.jpg 800w, /sites/default/files/styles/scale_width_1000/public/2025-01/Building%202024%20013%20%281%29.jpg 1000w, /sites/default/files/styles/scale_width_1200/public/2025-01/Building%202024%20013%20%281%29.jpg 1200w, /sites/default/files/styles/scale_width_1500/public/2025-01/Building%202024%20013%20%281%29.jpg 1600w, /sites/default/files/styles/scale_width_1800/public/2025-01/Building%202024%20013%20%281%29.jpg 1800w, /sites/default/files/styles/scale_width_2000/public/2025-01/Building%202024%20013%20%281%29.jpg 2000w" sizes="(min-width: 1260px) 1260px, 100vw" width="1000" height="667" src="/sites/default/files/styles/scale_width_1000/public/2025-01/Building%202024%20013%20%281%29.jpg" typeof="foaf:Image" />
</div>
</div>
</div>
<figcaption>
<p>120,000 square feet of inspiration—Perimeter’s facility is home to over 250 researchers pushing the frontiers of physics.</p>
</figcaption>
</figure>
</div>
</div>
</div></div>
<div class="container layout layout--onecol">
<div class="layout__region layout__region--content">
<div data-block-plugin-id="inline_block:card_carousel" class="block block-layout-builder block-inline-block--card-carousel carousel carousel--mobile-only carousel--staggered" data-component-id="pi_theme:carousel">
<div class="carousel-items grid">
<div data-component-id="pi_theme:card" class="card card-linked animate-fadeInUp">
<div class="card-media">
<div class="media media--image media-view--card">
<div class="field field--image"> <img loading="lazy" src="/sites/default/files/styles/card_lg/public/2024-12/Blackboard%200254_.png" width="640" height="363" typeof="foaf:Image" />
</div>
</div>
</div>
<div class="card-content">
<span class="card-arrow-icon" >
<svg aria-hidden="true" alt=" " height="24" viewBox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg">
<path d="m19 11c.5522847 0 1 .4477153 1 1s-.4477153 1-1 1h-14c-.55228475 0-1-.4477153-1-1s.44771525-1 1-1z"></path><path d="m11.2928932 4.29289322c.3905243-.39052429 1.0236893-.39052429 1.4142136 0l7 6.99999998c.3905243.3905243.3905243 1.0236893 0 1.4142136l-7 7c-.3905243.3905243-1.0236893.3905243-1.4142136 0s-.3905243-1.0236893 0-1.4142136l6.2921068-6.2928932-6.2921068-6.29289322c-.3604839-.36048396-.3882135-.92771502-.0831886-1.32000622z"></path>
</svg>
</span>
<h3 class="card-heading">
<a href="/research" class="card-link" target="_self">
Research
</a>
</h3>
<div class="field field--body field--text-with-summary"> Perimeter Institute is a global hub for theoretical physics, where scientists explore fundamental questions about space, time, and the universe.
</div>
</div>
</div>
<div data-component-id="pi_theme:card" class="card card-linked animate-fadeInUp">
<div class="card-media">
<div class="media media--image media-view--card">
<div class="field field--image"> <img loading="lazy" src="/sites/default/files/styles/card_lg/public/2025-01/Researchers%20April%202023%20001.jpg" width="640" height="363" typeof="foaf:Image" />
</div>
</div>
</div>
<div class="card-content">
<span class="card-arrow-icon" >
<svg aria-hidden="true" alt=" " height="24" viewBox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg">
<path d="m19 11c.5522847 0 1 .4477153 1 1s-.4477153 1-1 1h-14c-.55228475 0-1-.4477153-1-1s.44771525-1 1-1z"></path><path d="m11.2928932 4.29289322c.3905243-.39052429 1.0236893-.39052429 1.4142136 0l7 6.99999998c.3905243.3905243.3905243 1.0236893 0 1.4142136l-7 7c-.3905243.3905243-1.0236893.3905243-1.4142136 0s-.3905243-1.0236893 0-1.4142136l6.2921068-6.2928932-6.2921068-6.29289322c-.3604839-.36048396-.3882135-.92771502-.0831886-1.32000622z"></path>
</svg>
</span>
<h3 class="card-heading">
<a href="/training" class="card-link" target="_self">
Training
</a>
</h3>
<div class="field field--body field--text-with-summary"> Perimeter’s innovative training programs empower emerging scientists to refine their ideas and interests through dynamic research and academic interactions.
</div>
</div>
</div>
<div data-component-id="pi_theme:card" class="card card-linked animate-fadeInUp">
<div class="card-media">
<div class="media media--image media-view--card">
<div class="field field--image"> <img loading="lazy" src="/sites/default/files/styles/card_lg/public/2025-01/CBCIdeas_PI_010824-05600%20%283%29.jpg" width="640" height="363" typeof="foaf:Image" />
</div>
</div>
</div>
<div class="card-content">
<span class="card-arrow-icon" >
<svg aria-hidden="true" alt=" " height="24" viewBox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg">
<path d="m19 11c.5522847 0 1 .4477153 1 1s-.4477153 1-1 1h-14c-.55228475 0-1-.4477153-1-1s.44771525-1 1-1z"></path><path d="m11.2928932 4.29289322c.3905243-.39052429 1.0236893-.39052429 1.4142136 0l7 6.99999998c.3905243.3905243.3905243 1.0236893 0 1.4142136l-7 7c-.3905243.3905243-1.0236893.3905243-1.4142136 0s-.3905243-1.0236893 0-1.4142136l6.2921068-6.2928932-6.2921068-6.29289322c-.3604839-.36048396-.3882135-.92771502-.0831886-1.32000622z"></path>
</svg>
</span>
<h3 class="card-heading">
<a href="/outreach" class="card-link" target="_self">
Outreach
</a>
</h3>
<div class="field field--body field--text-with-summary"> Perimeter’s outreach programs inspire curiosity through engaging resources, workshops, and events that bring physics to life.
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<div class="bg-color bg-color--light-blue no-bottom-margin fullwidth layout layout--onecol">
<div class="layout__region layout__region--content">
<div data-block-plugin-id="inline_block:text" class="block block-layout-builder block-inline-block--text">
<h2>Stay Ahead with Theoretical Physics: Subscribe to Our Newsletter</h2>
<div class="field field--body field--text-with-summary"><p>The world is evolving at an unprecedented pace, and at the heart of every groundbreaking innovation lies theoretical physics. From quantum technologies to space exploration, today’s ideas are shaping tomorrow’s world.</p><p>Get the latest discoveries, insights, and breakthroughs delivered straight to your inbox.</p></div>
<div class="field field--field-link field--link"><a href="https://landing.perimeterinstitute.ca/newsletter-signup" class="btn">Sign Up Here</a></div>
</div>
</div>
</div>
</article>
</div>
</div>
</main>
<footer class="site-footer">
<div class="site-footer-main container">
<div data-component-id="pi_theme:site_branding" class="site-branding">
<a href="/" rel="home">
<img src="/themes/custom/pi_theme/logo-reversed.svg" alt="" class="logo logo-reversed" />
</a>
</div>
<div id="block-pi-theme-copyrightdetails" data-block-plugin-id="block_content:d4be36c4-c870-4826-b074-7d4c3d569614" class="block block-block-content block-block-content--d4be36c4-c870-4826-b074-7d4c3d569614">
<div class="field field--body field--text-with-summary"><p>Perimeter Institute charitable registration number <a href="https://apps.cra-arc.gc.ca/ebci/hacc/srch/pub/dsplyQckVw?selectedCharityBn=889814323RR0001" target="_blank">88981 4323 RR0001</a></p></div>
</div>
<nav id="block-pi-theme-footer" data-block-plugin-id="system_menu_block:footer" class="block block-system block-system-menu-block--footer" role="navigation" aria-labelledby="block-pi-theme-footer-menu"
id="block-pi-theme-footer" data-block-plugin-id="system_menu_block:footer" class="block block-system block-system-menu-block--footer block-menu--footer">
<h2>Learn More</h2>
<ul data-block-region="footer_main" data-component-id="pi_theme:menu" class="menu menu--footer menu-level--0">
<li class="menu-item">
<a href="/accessibility-options" class="menu-link" data-drupal-link-system-path="node/5738">Accessibility Options</a>
</li>
<li class="menu-item">
<a href="/contact-us" class="menu-link" data-drupal-link-system-path="node/2731">Contact Us</a>
</li>
<li class="menu-item">
<a href="/privacy-policy" class="menu-link" data-drupal-link-system-path="node/1258">Privacy Policy</a>
</li>
<li class="menu-item">
<a href="/terms-use" class="menu-link" data-drupal-link-system-path="node/1259">Terms of Use</a>
</li>
</ul>
</nav>
<div id="block-pi-theme-footercontactus" data-block-plugin-id="block_content:547af55d-7289-4406-999e-48173da34d4d" class="block block-block-content block-block-content--547af55d-7289-4406-999e-48173da34d4d">
<h2>Contact Us</h2>
<div class="field field--body field--text-with-summary"><p>31 Caroline Street North,<br>Waterloo, Ontario, Canada, N2L 2Y5</p><p>Tel: (+1) 519-569-7600 <br>Fax: (+1) 519-569-7611</p></div>
</div>
<div id="block-pi-theme-sociallinksblock" data-block-plugin-id="social_links_block" class="block block-pi-core block-social-links-block">
<h2>Stay Connected</h2>
<ul data-component-id="pi_theme:social_links" class="social-links display-list" >
<li class="item">
<a href="https://www.facebook.com/pioutreach" class="facebook" target="_blank">
<svg aria-hidden="true"><use xlink:href="#facebook"></svg>
<span class="visually-hidden">Follow us on </span>
<span class="label">Facebook</label>
</a>
</li>
<li class="item">
<a href="https://www.youtube.com/PIOutreach" class="youtube" target="_blank">
<svg aria-hidden="true"><use xlink:href="#youtube"></svg>
<span class="visually-hidden">Follow us on </span>
<span class="label">Youtube</label>
</a>
</li>
<li class="item">
<a href="https://www.instagram.com/perimeterinstitute/" class="instagram" target="_blank">
<svg aria-hidden="true"><use xlink:href="#instagram"></svg>
<span class="visually-hidden">Follow us on </span>
<span class="label">Instagram</label>
</a>
</li>
<li class="item">
<a href="https://www.linkedin.com/company/perimeter-institute/" class="linkedin" target="_blank">
<svg aria-hidden="true"><use xlink:href="#linkedin"></svg>
<span class="visually-hidden">Follow us on </span>
<span class="label">Linkedin</label>
</a>
</li>
</ul>
<?xml version="1.0" encoding="UTF-8"?>
<svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" style="display: none">
<symbol id="facebook" viewBox="0 0 448 512">
<path d="M64 32C28.7 32 0 60.7 0 96V416c0 35.3 28.7 64 64 64h98.2V334.2H109.4V256h52.8V222.3c0-87.1 39.4-127.5 125-127.5c16.2 0 44.2 3.2 55.7 6.4V172c-6-.6-16.5-1-29.6-1c-42 0-58.2 15.9-58.2 57.2V256h83.6l-14.4 78.2H255V480H384c35.3 0 64-28.7 64-64V96c0-35.3-28.7-64-64-64H64z"/>
</symbol>
<symbol id="instagram" viewBox="0 0 448 512">
<path d="M194.4 211.7a53.3 53.3 0 1 0 59.3 88.7 53.3 53.3 0 1 0 -59.3-88.7zm142.3-68.4c-5.2-5.2-11.5-9.3-18.4-12c-18.1-7.1-57.6-6.8-83.1-6.5c-4.1 0-7.9 .1-11.2 .1c-3.3 0-7.2 0-11.4-.1c-25.5-.3-64.8-.7-82.9 6.5c-6.9 2.7-13.1 6.8-18.4 12s-9.3 11.5-12 18.4c-7.1 18.1-6.7 57.7-6.5 83.2c0 4.1 .1 7.9 .1 11.1s0 7-.1 11.1c-.2 25.5-.6 65.1 6.5 83.2c2.7 6.9 6.8 13.1 12 18.4s11.5 9.3 18.4 12c18.1 7.1 57.6 6.8 83.1 6.5c4.1 0 7.9-.1 11.2-.1c3.3 0 7.2 0 11.4 .1c25.5 .3 64.8 .7 82.9-6.5c6.9-2.7 13.1-6.8 18.4-12s9.3-11.5 12-18.4c7.2-18 6.8-57.4 6.5-83c0-4.2-.1-8.1-.1-11.4s0-7.1 .1-11.4c.3-25.5 .7-64.9-6.5-83l0 0c-2.7-6.9-6.8-13.1-12-18.4zm-67.1 44.5A82 82 0 1 1 178.4 324.2a82 82 0 1 1 91.1-136.4zm29.2-1.3c-3.1-2.1-5.6-5.1-7.1-8.6s-1.8-7.3-1.1-11.1s2.6-7.1 5.2-9.8s6.1-4.5 9.8-5.2s7.6-.4 11.1 1.1s6.5 3.9 8.6 7s3.2 6.8 3.2 10.6c0 2.5-.5 5-1.4 7.3s-2.4 4.4-4.1 6.2s-3.9 3.2-6.2 4.2s-4.8 1.5-7.3 1.5l0 0c-3.8 0-7.5-1.1-10.6-3.2zM448 96c0-35.3-28.7-64-64-64H64C28.7 32 0 60.7 0 96V416c0 35.3 28.7 64 64 64H384c35.3 0 64-28.7 64-64V96zM357 389c-18.7 18.7-41.4 24.6-67 25.9c-26.4 1.5-105.6 1.5-132 0c-25.6-1.3-48.3-7.2-67-25.9s-24.6-41.4-25.8-67c-1.5-26.4-1.5-105.6 0-132c1.3-25.6 7.1-48.3 25.8-67s41.5-24.6 67-25.8c26.4-1.5 105.6-1.5 132 0c25.6 1.3 48.3 7.1 67 25.8s24.6 41.4 25.8 67c1.5 26.3 1.5 105.4 0 131.9c-1.3 25.6-7.1 48.3-25.8 67z"/>
</symbol>
<symbol id="linkedin" viewBox="0 0 448 512">
<path d="M416 32H31.9C14.3 32 0 46.5 0 64.3v383.4C0 465.5 14.3 480 31.9 480H416c17.6 0 32-14.5 32-32.3V64.3c0-17.8-14.4-32.3-32-32.3zM135.4 416H69V202.2h66.5V416zm-33.2-243c-21.3 0-38.5-17.3-38.5-38.5S80.9 96 102.2 96c21.2 0 38.5 17.3 38.5 38.5 0 21.3-17.2 38.5-38.5 38.5zm282.1 243h-66.4V312c0-24.8-.5-56.7-34.5-56.7-34.6 0-39.9 27-39.9 54.9V416h-66.4V202.2h63.7v29.2h.9c8.9-16.8 30.6-34.5 62.9-34.5 67.2 0 79.7 44.3 79.7 101.9V416z"/>
</symbol>
<symbol id="twitter" viewBox="0 0 448 512">
<path d="M64 32C28.7 32 0 60.7 0 96V416c0 35.3 28.7 64 64 64H384c35.3 0 64-28.7 64-64V96c0-35.3-28.7-64-64-64H64zm297.1 84L257.3 234.6 379.4 396H283.8L209 298.1 123.3 396H75.8l111-126.9L69.7 116h98l67.7 89.5L313.6 116h47.5zM323.3 367.6L153.4 142.9H125.1L296.9 367.6h26.3z"/>
</symbol>
<symbol id="youtube" viewBox="0 0 448 512">
<path d="M282 256.2l-95.2-54.1V310.3L282 256.2zM384 32H64C28.7 32 0 60.7 0 96V416c0 35.3 28.7 64 64 64H384c35.3 0 64-28.7 64-64V96c0-35.3-28.7-64-64-64zm14.4 136.1c7.6 28.6 7.6 88.2 7.6 88.2s0 59.6-7.6 88.1c-4.2 15.8-16.5 27.7-32.2 31.9C337.9 384 224 384 224 384s-113.9 0-142.2-7.6c-15.7-4.2-28-16.1-32.2-31.9C42 315.9 42 256.3 42 256.3s0-59.7 7.6-88.2c4.2-15.8 16.5-28.2 32.2-32.4C110.1 128 224 128 224 128s113.9 0 142.2 7.7c15.7 4.2 28 16.6 32.2 32.4z"/>
</symbol>
<symbol id="bluesky" viewBox="0 0 448 512">
<path d="M64 32C28.7 32 0 60.7 0 96L0 416c0 35.3 28.7 64 64 64l320 0c35.3 0 64-28.7 64-64l0-320c0-35.3-28.7-64-64-64L64 32zM224 247.4c14.5-30 54-85.8 90.7-113.3c26.5-19.9 69.3-35.2 69.3 13.7c0 9.8-5.6 82.1-8.9 93.8c-11.4 40.8-53 51.2-90 44.9c64.7 11 81.2 47.5 45.6 84c-67.5 69.3-97-17.4-104.6-39.6c0 0 0 0 0 0l-.3-.9c-.9-2.6-1.4-4.1-1.8-4.1s-.9 1.5-1.8 4.1c-.1 .3-.2 .6-.3 .9c0 0 0 0 0 0c-7.6 22.2-37.1 108.8-104.6 39.6c-35.5-36.5-19.1-73 45.6-84c-37 6.3-78.6-4.1-90-44.9c-3.3-11.7-8.9-84-8.9-93.8c0-48.9 42.9-33.5 69.3-13.7c36.7 27.5 76.2 83.4 90.7 113.3z"/>
</symbol>
</svg>
</div>
</div>
<div class="site-footer-logos">
<img src="/themes/custom/pi_theme/assets//ontario-logo-white.png" />
<img src="/themes/custom/pi_theme/assets//canada-logo-white.png" />
</div>
<div class="site-footer-bottom">
<div id="block-pi-theme-copyrightblock" data-block-plugin-id="copyright_block" class="block block-copyright-block">
<div class="text"><span class="copyright">Copyright © 2000-2025 Perimeter Institute for Theoretical Physics</span></div>
</div>
<div id="block-pi-theme-footercode" data-block-plugin-id="block_content:7e0ff6ec-2772-4f29-96db-f1c4911135f0" class="block block-block-content block-block-content--7e0ff6ec-2772-4f29-96db-f1c4911135f0">
<div class="field field--body field--text-with-summary"><!-- Start of HubSpot Embed Code -->
<script type="text/javascript" id="hs-script-loader" async defer src="//js.hs-scripts.com/2636016.js"></script>
<!-- End of HubSpot Embed Code -->
<!-- Global site tag (gtag.js) - Google Analytics -->
<script async src="https://www.googletagmanager.com/gtag/js?id=G-KJZNF8S9ME"></script>
<script>
window.dataLayer = window.dataLayer || [];
function gtag(){dataLayer.push(arguments);}
gtag('js', new Date());
gtag('config', 'G-KJZNF8S9ME');
</script></div>
</div>
</div>
</footer>
<svg xmlns="http://www.w3.org/2000/svg" style="display: none">
<symbol id="chevron-down" viewBox="0 0 24 24">
<path d="M7.41,8.58L12,13.17L16.59,8.58L18,10L12,16L6,10L7.41,8.58Z" />
</symbol>
<symbol id="menu-bars"viewBox="0 0 24 24">
<path d="M3,6H21V8H3V6M3,11H21V13H3V11M3,16H21V18H3V16Z" />
</symbol>
<symbol id="close-x" viewBox="0 0 24 24">
<path d="M19,6.41L17.59,5L12,10.59L6.41,5L5,6.41L10.59,12L5,17.59L6.41,19L12,13.41L17.59,19L19,17.59L13.41,12L19,6.41Z" />
</symbol>
<symbol id="search" viewBox="0 0 24 24">
<path d="M5 11C5 7.691 7.691 5 11 5C14.309 5 17 7.691 17 11C17 14.309 14.309 17 11 17C7.691 17 5 14.309 5 11ZM20.707 19.293L17.312 15.897C18.365 14.543 19 12.846 19 11C19 6.589 15.411 3 11 3C6.589 3 3 6.589 3 11C3 15.411 6.589 19 11 19C12.846 19 14.543 18.365 15.897 17.312L19.293 20.707C19.488 20.902 19.744 21 20 21C20.256 21 20.512 20.902 20.707 20.707C21.098 20.316 21.098 19.684 20.707 19.293Z" />
</symbol>
<symbol id="account-circle" viewBox="0 0 24 24">
<path d="M12,2A10,10 0 0,0 2,12A10,10 0 0,0 12,22A10,10 0 0,0 22,12A10,10 0 0,0 12,2M7.07,18.28C7.5,17.38 10.12,16.5 12,16.5C13.88,16.5 16.5,17.38 16.93,18.28C15.57,19.36 13.86,20 12,20C10.14,20 8.43,19.36 7.07,18.28M18.36,16.83C16.93,15.09 13.46,14.5 12,14.5C10.54,14.5 7.07,15.09 5.64,16.83C4.62,15.5 4,13.82 4,12C4,7.59 7.59,4 12,4C16.41,4 20,7.59 20,12C20,13.82 19.38,15.5 18.36,16.83M12,6C10.06,6 8.5,7.56 8.5,9.5C8.5,11.44 10.06,13 12,13C13.94,13 15.5,11.44 15.5,9.5C15.5,7.56 13.94,6 12,6M12,11A1.5,1.5 0 0,1 10.5,9.5A1.5,1.5 0 0,1 12,8A1.5,1.5 0 0,1 13.5,9.5A1.5,1.5 0 0,1 12,11Z" />
</symbol>
<symbol id="calendar" viewBox="0 0 24 24">
<path d="M19,19H5V8H19M16,1V3H8V1H6V3H5C3.89,3 3,3.89 3,5V19A2,2 0 0,0 5,21H19A2,2 0 0,0 21,19V5C21,3.89 20.1,3 19,3H18V1" />
</symbol>
<symbol id="location-marker" width="24" height="24" viewBox="0 0 24 24">
<path d="m 12,1.1240886 c -4.2089777,0 -7.613138,3.4041603 -7.613138,7.613138 C 4.386862,14.44708 12,22.875911 12,22.875911 c 0,0 7.613138,-8.428831 7.613138,-14.1386844 0,-4.2089777 -3.40416,-7.613138 -7.613138,-7.613138 z M 6.5620443,8.7372266 C 6.5620443,5.735475 8.9982485,3.2992709 12,3.2992709 c 3.001752,0 5.437956,2.4362041 5.437956,5.4379557 C 17.437956,11.869489 14.305693,16.557007 12,19.482627 9.7378104,16.578759 6.5620443,11.836861 6.5620443,8.7372266 Z" />
<circle id="Oval" cx="12" cy="8.7372265" r="2.7189779" />
</symbol>
<symbol id="email">
<path d="M22,6 C22,4.9 21.1,4 20,4 L4,4 C2.9,4 2,4.9 2,6 L2,18 C2,19.1 2.9,20 4,20 L20,20 C21.1,20 22,19.1 22,18 L22,6 Z M20,6 L12,11 L4,6 L20,6 Z M20,18 L4,18 L4,8 L12,13 L20,8 L20,18 Z"></path>
</symbol>
<symbol id="website-link" width="24px" height="24px" viewBox="0 0 24 24">
<path d="M12,2 C6.48,2 2,6.48 2,12 C2,17.52 6.48,22 12,22 C17.52,22 22,17.52 22,12 C22,6.48 17.52,2 12,2 Z M11,19.93 C7.05,19.44 4,16.08 4,12 C4,11.38 4.08,10.79 4.21,10.21 L9,15 L9,16 C9,17.1 9.9,18 11,18 L11,19.93 Z M17.9,17.39 C17.64,16.58 16.9,16 16,16 L15,16 L15,13 C15,12.45 14.55,12 14,12 L8,12 L8,10 L10,10 C10.55,10 11,9.55 11,9 L11,7 L13,7 C14.1,7 15,6.1 15,5 L15,4.59 C17.93,5.78 20,8.65 20,12 C20,14.08 19.2,15.97 17.9,17.39 Z"></path>
</symbol>
<symbol id="phone" viewBox="0 0 24 24">
<path d="M6.54,5 C6.6,5.89 6.75,6.76 6.99,7.59 L5.79,8.79 C5.38,7.59 5.12,6.32 5.03,5 L6.54,5 M16.4,17.02 C17.25,17.26 18.12,17.41 19,17.47 L19,18.96 C17.68,18.87 16.41,18.61 15.2,18.21 L16.4,17.02 M7.5,3 L4,3 C3.45,3 3,3.45 3,4 C3,13.39 10.61,21 20,21 C20.55,21 21,20.55 21,20 L21,16.51 C21,15.96 20.55,15.51 20,15.51 C18.76,15.51 17.55,15.31 16.43,14.94 C16.33,14.9 16.22,14.89 16.12,14.89 C15.86,14.89 15.61,14.99 15.41,15.18 L13.21,17.38 C10.38,15.93 8.06,13.62 6.62,10.79 L8.82,8.59 C9.1,8.31 9.18,7.92 9.07,7.57 C8.7,6.45 8.5,5.25 8.5,4 C8.5,3.45 8.05,3 7.5,3 Z" id="Shape" fill="#333333" fill-rule="nonzero"></path>
</symbol>
<symbol id="speaker" width="24px" height="24px" viewBox="0 0 16 16" >
<path d="m 7.9833687,2.8839536 c 0.9386931,0 1.7067147,0.7680216 1.7067147,1.7067147 0,0.9386931 -0.7680216,1.7067147 -1.7067147,1.7067147 -0.9386931,0 -1.7067147,-0.7680216 -1.7067147,-1.7067147 0,-0.9386931 0.7680216,-1.7067147 1.7067147,-1.7067147 m 0,7.6802164 c 2.3040653,0 4.9494733,1.100831 5.1201443,1.706715 v 0.853357 H 2.8632246 V 12.279418 C 3.033896,11.665001 5.6793039,10.56417 7.9833687,10.56417 m 0,-9.3869312 c -1.8859197,0 -3.4134294,1.5275097 -3.4134294,3.4134295 0,1.8859198 1.5275097,3.4134294 3.4134294,3.4134294 1.88592,0 3.4134293,-1.5275096 3.4134293,-3.4134294 0,-1.8859198 -1.5275093,-3.4134295 -3.4134293,-3.4134295 z m 0,7.6802163 c -2.2784641,0 -6.8268588,1.1434989 -6.8268588,3.4134299 v 2.560072 H 14.810228 v -2.560072 c 0,-2.269931 -4.548395,-3.4134299 -6.8268593,-3.4134299 z" />
</symbol>
<symbol id="arrow-back" width="24" height="24" viewBox="0 0 24 24">
<path fill-rule="evenodd" clip-rule="evenodd" d="M19 11H7.135L10.768 6.64003C11.122 6.21603 11.064 5.58503 10.64 5.23203C10.215 4.87803 9.585 4.93603 9.232 5.36003L4.232 11.36C4.193 11.407 4.173 11.462 4.144 11.514C4.12 11.556 4.091 11.592 4.073 11.638C4.028 11.753 4.001 11.874 4.001 11.996C4.001 11.997 4 11.999 4 12C4 12.001 4.001 12.003 4.001 12.004C4.001 12.126 4.028 12.247 4.073 12.362C4.091 12.408 4.12 12.444 4.144 12.486C4.173 12.538 4.193 12.593 4.232 12.64L9.232 18.64C9.43 18.877 9.714 19 10 19C10.226 19 10.453 18.924 10.64 18.768C11.064 18.415 11.122 17.784 10.768 17.36L7.135 13H19C19.552 13 20 12.552 20 12C20 11.448 19.552 11 19 11Z"/>
<mask style="mask-type:luminance" maskUnits="userSpaceOnUse" x="4" y="5" width="16" height="14">
<path fill-rule="evenodd" clip-rule="evenodd" d="M19 11H7.135L10.768 6.64003C11.122 6.21603 11.064 5.58503 10.64 5.23203C10.215 4.87803 9.585 4.93603 9.232 5.36003L4.232 11.36C4.193 11.407 4.173 11.462 4.144 11.514C4.12 11.556 4.091 11.592 4.073 11.638C4.028 11.753 4.001 11.874 4.001 11.996C4.001 11.997 4 11.999 4 12C4 12.001 4.001 12.003 4.001 12.004C4.001 12.126 4.028 12.247 4.073 12.362C4.091 12.408 4.12 12.444 4.144 12.486C4.173 12.538 4.193 12.593 4.232 12.64L9.232 18.64C9.43 18.877 9.714 19 10 19C10.226 19 10.453 18.924 10.64 18.768C11.064 18.415 11.122 17.784 10.768 17.36L7.135 13H19C19.552 13 20 12.552 20 12C20 11.448 19.552 11 19 11Z"/>
</mask>
</symbol>
</svg>
</div>
<script type="application/json" data-drupal-selector="drupal-settings-json">{"path":{"baseUrl":"\/","pathPrefix":"","currentPath":"node\/2","currentPathIsAdmin":false,"isFront":true,"currentLanguage":"en"},"pluralDelimiter":"\u0003","suppressDeprecationErrors":true,"ajaxTrustedUrl":{"\/homepage":true},"ajax":[],"user":{"uid":0,"permissionsHash":"bb141789a45b007ca951a2d4de60322c66be127ebd71bc4bdc06b89e0ba00378"}}</script>
<script src="/modules/contrib/jquery_once/lib/jquery_3.7.1_jquery.min.js?v=3.7.1"></script>
<script src="/core/assets/vendor/once/once.min.js?v=1.0.1"></script>
<script src="/core/misc/drupalSettingsLoader.js?v=10.4.6"></script>
<script src="/core/misc/drupal.js?v=10.4.6"></script>
<script src="/core/misc/drupal.init.js?v=10.4.6"></script>
<script src="/core/misc/debounce.js?v=10.4.6"></script>
<script src="/libraries/slick-carousel/slick/slick.min.js?v=1.x"></script>
<script src="/modules/contrib/better_exposed_filters/js/auto_submit.js?v=6.x"></script>
<script src="/modules/contrib/better_exposed_filters/js/better_exposed_filters.js?v=6.x"></script>
<script src="/themes/custom/pi_theme/libraries/animations/waypoints/lib/jquery.waypoints.min.js?sv93m4"></script>
<script src="/themes/custom/pi_theme/libraries/animations/animations.js?sv93m4"></script>
<script src="//cdn.jsdelivr.net/npm/@accessible360/[email protected]/slick/slick.min.js"></script>
<script src="/core/../themes/custom/pi_theme/components/layout/carousel/carousel.js?sv93m4"></script>
<script src="/core/../themes/custom/pi_theme/components/block/menus/menu.js?sv93m4"></script>
<script src="/core/../themes/custom/pi_theme/components/block/search_form/search_form.js?sv93m4"></script>
<script src="/core/../themes/custom/pi_theme/components/layout/site_header/site_header.js?sv93m4"></script>
<script src="/themes/custom/pi_theme/js/search.js?sv93m4"></script>
<script src="/themes/custom/pi_theme/js/events_search.js?sv93m4"></script>
</body>
</html>
Whois info of domain
Domain Name: PIFTP.COM
Registry Domain ID: 1353533142_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.rebel.com
Registrar URL: http://www.rebel.com
Updated Date: 2024-12-13T08:27:41Z
Creation Date: 2007-12-12T17:50:54Z
Registry Expiry Date: 2025-12-12T17:50:54Z
Registrar: Rebel Ltd
Registrar IANA ID: 600
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: 1-866-497-3235
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
Name Server: DNS.REBEL.CA
Name Server: DNS2.REBEL.CA
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-05-08T19:07:50Z <<<
For more information on Whois status codes, please visit https://icann.org/epp
NOTICE: The expiration date displayed in this record is the date the
TERMS OF USE: You are not authorized to access or query our Whois
by the following terms of use: You agree that you may use this Data only
to: (1) allow, enable, or otherwise support the transmission of mass