National Institute of Standards and Technology

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class="visually-hidden focusable" data-elastic-exclude> Skip to main content </a> <div class="dialog-off-canvas-main-canvas" data-off-canvas-main-canvas>  <section data-elastic-exclude class="usa-banner" aria-label="Official government website"> <div class="usa-accordion"> <header class="usa-banner__header"> <div class="usa-banner__inner"> <div class="grid-col-auto"> <img class="usa-banner__header-flag" src="/web/20230922014030im_/https://www.nist.gov/libraries/nist-component-library/dist/img/us_flag_small.png" alt="U.S. flag"> </div> <div class="grid-col-fill tablet:grid-col-auto"> <p class="usa-banner__header-text">An official website of the United States government</p> <p class="usa-banner__header-action" aria-hidden="true">Here’s how you know</p> </div> <button class="usa-accordion__button usa-banner__button" aria-expanded="false" aria-controls="gov-banner-default"> <span class="usa-banner__button-text">Here’s how you know</span> </button> </div> </header> <div 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/web/20230922014030im_/https://www.nist.gov/sites/default/files/styles/1600w_x_800h/public/images/2023/09/20/Face%20analysis_1.png.webp?itok=HXLNoQcO 2x" media="(min-width: 640px)" type="image/webp" width="800" height="400"/> <source srcset="/web/20230922014030im_/https://www.nist.gov/sites/default/files/styles/640w_x_320h/public/images/2023/09/20/Face%20analysis_1.png.webp?itok=b3zi8eM- 1x, /web/20230922014030im_/https://www.nist.gov/sites/default/files/styles/1280w_x_640h/public/images/2023/09/20/Face%20analysis_1.png.webp?itok=2FPzA9k5 2x" media="(min-width: 480px)" type="image/webp" width="640" height="320"/> <source srcset="/web/20230922014030im_/https://www.nist.gov/sites/default/files/styles/480w_x_240h/public/images/2023/09/20/Face%20analysis_1.png.webp?itok=SJMIwgay 1x, /web/20230922014030im_/https://www.nist.gov/sites/default/files/styles/960w_x_480h/public/images/2023/09/20/Face%20analysis_1.png.webp?itok=8kY-krDN 2x" media="(min-width: 0px)" type="image/webp" width="480" height="240"/> <img loading="eager" src="/web/20230922014030im_/https://www.nist.gov/sites/default/files/styles/800w_x_400h/public/images/2023/09/20/Face%20analysis_1.png.jpg?itok=Z6qqpciO" width="800" height="400" alt="Three images demonstrate types of presentation attacks: a person in heavy appearance-altering makeup, a person holding up a printed photo of another person, and a hand holding up a phone image of another person." typeof="foaf:Image"/> </picture> </a> </div> <div class="nist-hero__caption"> <a href="/web/20230922014030/https://www.nist.gov/news-events/news/2023/09/whats-wrong-picture-nist-face-analysis-program-helps-find-answers"> <div class="text">What’s Wrong With This Picture? NIST Face Analysis Program Helps to Find Answers</div> </a> </div> </div> </div> <div class="nist-hero__item tablet:grid-col-6 tablet-lg:grid-col-3 "> <div class="nist-hero__item-inner"> <div class="nist-hero__image"> <a href="/web/20230922014030/https://www.nist.gov/blogs/taking-measure/how-we-studied-dna-damage-cooked-food-and-what-it-might-mean-our-health"> <picture> <source srcset="/web/20230922014030im_/https://www.nist.gov/sites/default/files/styles/400_x_400/public/images/2023/08/24/miral_dizdar_lab_photo_081823jpg.jpg.webp?itok=pOCE5kMJ 1x, /web/20230922014030im_/https://www.nist.gov/sites/default/files/styles/800_x_800/public/images/2023/08/24/miral_dizdar_lab_photo_081823jpg.jpg.webp?itok=PIPjZJDe 2x" media="(min-width: 640px)" type="image/webp" width="400" height="400"/> <source srcset="/web/20230922014030im_/https://www.nist.gov/sites/default/files/styles/640w_x_320h/public/images/2023/08/24/miral_dizdar_lab_photo_081823jpg.jpg.webp?itok=visLelaU 1x, /web/20230922014030im_/https://www.nist.gov/sites/default/files/styles/1280w_x_640h/public/images/2023/08/24/miral_dizdar_lab_photo_081823jpg.jpg.webp?itok=1i77OgS0 2x" media="(min-width: 480px)" type="image/webp" width="640" height="320"/> <source srcset="/web/20230922014030im_/https://www.nist.gov/sites/default/files/styles/480w_x_240h/public/images/2023/08/24/miral_dizdar_lab_photo_081823jpg.jpg.webp?itok=1t8UnMex 1x, /web/20230922014030im_/https://www.nist.gov/sites/default/files/styles/960w_x_480h/public/images/2023/08/24/miral_dizdar_lab_photo_081823jpg.jpg.webp?itok=RjznA_Ij 2x" media="(min-width: 0px)" type="image/webp" width="480" height="240"/> <img loading="eager" src="/web/20230922014030im_/https://www.nist.gov/sites/default/files/styles/400_x_400/public/images/2023/08/24/miral_dizdar_lab_photo_081823jpg.jpg.jpg?itok=pOCE5kMJ" width="400" height="400" alt="Miral Dizdaroglu wears safety glasses as he poses in the lab next to an open spectrometer, which looks a little like a microwave with extra buttons. " typeof="foaf:Image"/> </picture> </a> </div> <div class="nist-hero__caption"> <a href="/web/20230922014030/https://www.nist.gov/blogs/taking-measure/how-we-studied-dna-damage-cooked-food-and-what-it-might-mean-our-health"> <div class="text">How We Studied DNA Damage in Cooked Food — and What It Might Mean for Our Health</div> </a> </div> </div> </div> <div class="nist-hero__item tablet:grid-col-6 tablet-lg:grid-col-3 "> <div class="nist-hero__item-inner"> <div class="nist-hero__image"> <a href="/web/20230922014030/https://www.nist.gov/news-events/news/2023/09/nist-provides-update-investigation-collapse-champlain-towers-south"> <picture> <source srcset="/web/20230922014030im_/https://www.nist.gov/sites/default/files/styles/400_x_400/public/images/2023/09/06/Coring%20and%20MOA%20tests%20%20%28Sep2023%29.jpg.webp?itok=iYg7-nJ1 1x, /web/20230922014030im_/https://www.nist.gov/sites/default/files/styles/800_x_800/public/images/2023/09/06/Coring%20and%20MOA%20tests%20%20%28Sep2023%29.jpg.webp?itok=IX_dTNQk 2x" media="(min-width: 640px)" type="image/webp" width="400" height="400"/> <source srcset="/web/20230922014030im_/https://www.nist.gov/sites/default/files/styles/640w_x_320h/public/images/2023/09/06/Coring%20and%20MOA%20tests%20%20%28Sep2023%29.jpg.webp?itok=enuu3Rnv 1x, /web/20230922014030im_/https://www.nist.gov/sites/default/files/styles/1280w_x_640h/public/images/2023/09/06/Coring%20and%20MOA%20tests%20%20%28Sep2023%29.jpg.webp?itok=88x4PNwJ 2x" media="(min-width: 480px)" type="image/webp" width="640" height="320"/> <source srcset="/web/20230922014030im_/https://www.nist.gov/sites/default/files/styles/480w_x_240h/public/images/2023/09/06/Coring%20and%20MOA%20tests%20%20%28Sep2023%29.jpg.webp?itok=RCTlxM09 1x, /web/20230922014030im_/https://www.nist.gov/sites/default/files/styles/960w_x_480h/public/images/2023/09/06/Coring%20and%20MOA%20tests%20%20%28Sep2023%29.jpg.webp?itok=dTdtZ67X 2x" media="(min-width: 0px)" type="image/webp" width="480" height="240"/> <img loading="eager" src="/web/20230922014030im_/https://www.nist.gov/sites/default/files/styles/400_x_400/public/images/2023/09/06/Coring%20and%20MOA%20tests%20%20%28Sep2023%29.jpg.jpg?itok=iYg7-nJ1" width="400" height="400" alt="A slab of concrete with ragged edges sits on a warehouse floor as researchers use equipment to extract core samples. " typeof="foaf:Image"/> </picture> </a> </div> <div class="nist-hero__caption"> <a href="/web/20230922014030/https://www.nist.gov/news-events/news/2023/09/nist-provides-update-investigation-collapse-champlain-towers-south"> <div class="text">NIST Provides Update on Investigation Into the Collapse of Champlain Towers South</div> </a> </div> </div> </div> </div> </div> <div class="bg-primary-lighter padding-y-4"> <div class="grid-container"> <div class="nist-slogan"> <h2 class="nist-slogan__title">INNOVATION UNLEASHED</h2> <p class="nist-slogan__content">Working with industry and academia to enhance economic security and improve our quality of life.</p> </div> <div class="grid-row grid-gap-4 margin-top-4"> <div class="nist-card nist-card--primary nist-card--title-overlay tablet:grid-col-4"> <div class="nist-card__inner"> <div class="nist-card__image"> <picture> <source srcset="/web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/callout/nist-homepage-callout-1-450.webp?v1 1x, /web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/callout/nist-homepage-callout-1-900.webp?v1 2x" media="(min-width: 800px)" type="image/webp"> <source srcset="/web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/callout/nist-homepage-callout-1-225.webp?v1 1x, /web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/callout/nist-homepage-callout-1-450.webp?v1 2x" media="(min-width: 640px)" type="image/webp"> <source srcset="/web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/callout/nist-homepage-callout-1-600.webp?v1 1x, /web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/callout/nist-homepage-callout-1-1200.webp?v1 2x" media="(min-width: 480px)" type="image/webp"> <source srcset="/web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/callout/nist-homepage-callout-1-450.webp?v1 1x, /web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/callout/nist-homepage-callout-1-900.webp?v1 2x" media="(min-width: 0px)" type="image/webp"> <source srcset="/web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/callout/nist-homepage-callout-1-450.png?v1 1x, /web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/callout/nist-homepage-callout-1-900.png?v1 2x" media="(min-width: 800px)" type="image/png"> <source srcset="/web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/callout/nist-homepage-callout-1-225.png?v1 1x, /web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/callout/nist-homepage-callout-1-450.png?v1 2x" media="(min-width: 640px)" type="image/png"> <source srcset="/web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/callout/nist-homepage-callout-1-600.png?v1 1x, /web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/callout/nist-homepage-callout-1-1200.png?v1 2x" media="(min-width: 480px)" type="image/png"> <source srcset="/web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/callout/nist-homepage-callout-1-450.png?v1 1x, /web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/callout/nist-homepage-callout-1-900.png?v1 2x" media="(min-width: 0px)" type="image/png"> <img src="/web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/callout/nist-homepage-callout-1-1200.png?v1" width="1200" height="976" alt="A man wearing safety goggles leans over a scientific device." loading="lazy"> </picture> </div> <div class="nist-card__title "> <h3>Services & Resources</h3> </div> <div class="nist-card__content"> <ul class="add-list-reset"> <li><a href="https://web.archive.org/web/20230922014030/https://csrc.nist.gov/">Computer Security Resource Center (CSRC)</a></li> <li><a href="/web/20230922014030/https://www.nist.gov/data">Data</a></li> <li><a href="https://web.archive.org/web/20230922014030/http://www.time.gov/">Official U.S. Time</a></li> <li><a href="/web/20230922014030/https://www.nist.gov/publications">Publications</a></li> <li><a href="/web/20230922014030/https://www.nist.gov/services-resources/software">Software</a></li> </ul> </div> </div> </div> <div class="nist-card nist-card--primary nist-card--title-overlay tablet:grid-col-4"> <div class="nist-card__inner"> <div class="nist-card__image"> <picture> <source srcset="/web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/callout/nist-homepage-callout-2-450.webp?v1 1x, /web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/callout/nist-homepage-callout-2-900.webp?v1 2x" media="(min-width: 800px)" type="image/webp"> <source srcset="/web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/callout/nist-homepage-callout-2-225.webp?v1 1x, /web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/callout/nist-homepage-callout-2-450.webp?v1 2x" media="(min-width: 640px)" type="image/webp"> <source srcset="/web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/callout/nist-homepage-callout-2-600.webp?v1 1x, /web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/callout/nist-homepage-callout-2-1200.webp?v1 2x" media="(min-width: 480px)" type="image/webp"> <source srcset="/web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/callout/nist-homepage-callout-2-450.webp?v1 1x, /web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/callout/nist-homepage-callout-2-900.webp?v1 2x" media="(min-width: 0px)" type="image/webp"> <source srcset="/web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/callout/nist-homepage-callout-2-450.png?v1 1x, /web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/callout/nist-homepage-callout-2-900.png?v1 2x" media="(min-width: 800px)" type="image/png"> <source srcset="/web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/callout/nist-homepage-callout-2-225.png?v1 1x, /web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/callout/nist-homepage-callout-2-450.png?v1 2x" media="(min-width: 640px)" type="image/png"> <source srcset="/web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/callout/nist-homepage-callout-2-600.png?v1 1x, /web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/callout/nist-homepage-callout-2-1200.png?v1 2x" media="(min-width: 480px)" type="image/png"> <source srcset="/web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/callout/nist-homepage-callout-2-450.png?v1 1x, /web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/callout/nist-homepage-callout-2-900.png?v1 2x" media="(min-width: 0px)" type="image/png"> <img src="/web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/callout/nist-homepage-callout-2-1200.png?v1" width="1200" height="976" alt="A man wearing safety goggles leans over a scientific device." loading="lazy"> </picture> </div> <div class="nist-card__title "> <h3>Laboratories</h3> </div> <div class="nist-card__content"> <ul class="add-list-reset"> <li><a href="/web/20230922014030/https://www.nist.gov/ctl">Communications Technology Laboratory</a></li> <li><a href="/web/20230922014030/https://www.nist.gov/el">Engineering Laboratory</a></li> <li><a href="/web/20230922014030/https://www.nist.gov/itl">Information Technology Laboratory</a></li> <li><a href="/web/20230922014030/https://www.nist.gov/mml">Material Measurement Laboratory</a></li> <li><a href="/web/20230922014030/https://www.nist.gov/ncnr">NIST Center for Neutron Research</a></li> <li><a href="/web/20230922014030/https://www.nist.gov/pml">Physical Measurement Laboratory</a></li> </ul> </div> </div> </div> <div class="nist-card nist-card--primary nist-card--title-overlay tablet:grid-col-4"> <div class="nist-card__inner"> <div class="nist-card__image"> <picture> <source srcset="/web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/callout/nist-homepage-callout-3-450.webp?v1 1x, /web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/callout/nist-homepage-callout-3-900.webp?v1 2x" media="(min-width: 800px)" type="image/webp"> <source srcset="/web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/callout/nist-homepage-callout-3-225.webp?v1 1x, /web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/callout/nist-homepage-callout-3-450.webp?v1 2x" media="(min-width: 640px)" type="image/webp"> <source srcset="/web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/callout/nist-homepage-callout-3-600.webp?v1 1x, /web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/callout/nist-homepage-callout-3-1200.webp?v1 2x" media="(min-width: 480px)" type="image/webp"> <source srcset="/web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/callout/nist-homepage-callout-3-450.webp?v1 1x, /web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/callout/nist-homepage-callout-3-900.webp?v1 2x" media="(min-width: 0px)" type="image/webp"> <source srcset="/web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/callout/nist-homepage-callout-3-450.png?v1 1x, /web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/callout/nist-homepage-callout-3-900.png?v1 2x" media="(min-width: 800px)" type="image/png"> <source srcset="/web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/callout/nist-homepage-callout-3-225.png?v1 1x, /web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/callout/nist-homepage-callout-3-450.png?v1 2x" media="(min-width: 640px)" type="image/png"> <source srcset="/web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/callout/nist-homepage-callout-3-600.png?v1 1x, /web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/callout/nist-homepage-callout-3-1200.png?v1 2x" media="(min-width: 480px)" type="image/png"> <source srcset="/web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/callout/nist-homepage-callout-3-450.png?v1 1x, /web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/callout/nist-homepage-callout-3-900.png?v1 2x" media="(min-width: 0px)" type="image/png"> <img src="/web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/callout/nist-homepage-callout-3-1200.png?v1" width="1200" height="976" alt="A man wearing safety goggles leans over a scientific device." loading="lazy"> </picture> </div> <div class="nist-card__title "> <h3>Extramural Programs</h3> </div> <div class="nist-card__content"> <ul class="add-list-reset"> <li><a href="/web/20230922014030/https://www.nist.gov/baldrige">Baldrige Performance Excellence Program</a></li> <li><a href="/web/20230922014030/https://www.nist.gov/mep">Manufacturing Extension Partnership (MEP)</a></li> <li><a href="https://web.archive.org/web/20230922014030/https://www.manufacturingusa.com/" class="ext extlink">Manufacturing USA<span class="ext" aria-label="(link is external)"></span></a></li> <li><a href="/web/20230922014030/https://www.nist.gov/nvlap">NVLAP</a></li> <li><a href="/web/20230922014030/https://www.nist.gov/tpo">Technology Transfer</a></li> </ul> </div> </div> </div> </div> </div> </div> <div class="chips-banner"> <div class="grid-container padding-y-4"> <div class="grid-row grid-gap-4 flex-align-center"> <div class="tablet:grid-col chips-banner__title"> <h2 class="margin-y-1"><a href="/web/20230922014030/https://www.nist.gov/chips" title="Learn more at chips.gov">CHIPS <span class="text-italic">for</span> America</a></h2> </div> <div class="tablet:grid-col-auto chips-banner__image"> <a href="/web/20230922014030/https://www.nist.gov/chips" title="Learn more at chips.gov"> <picture> <source srcset="/web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/chips_logo_mark.webp?v1" type="image/webp"> <source srcset="/web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/chips_logo_mark.png?v1" type="image/png"> <img src="/web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/chips_logo_mark.png?v1" alt="CHIPS.gov logo" width="100" height="76" loading="lazy"> </picture> </a> </div> <div class="tablet:grid-col chips-banner__text"> <div class="maxw-mobile margin-x-auto tablet:margin-left-0"> Investments in innovation, resilience and a more competitive American future | <a href="/web/20230922014030/https://www.nist.gov/chips" title="Learn more at chips.gov" class="chips-banner__more">Learn more</a> </div> </div> </div> </div> </div> <div class="bg-base-lightest padding-y-4"> <div class="grid-container"> <h2 class="nist-block__title nist-block__title--no-border text-accent-cool text-center font-body-xl">Featured Topics</h2> <div class="grid-row grid-gap-2 margin-top-4"> <div class="nist-card nist-card--icon mobile-lg:grid-col-6 tablet-lg:grid-col-3"> <div class="nist-card__inner"> <div class="nist-card__image"> <a 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srcset="/web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/nist-homepage-standards-measurements_1x.webp?v1 1x, /web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/nist-homepage-standards-measurements.webp?v1 2x" media="(min-width: 800px)" type="image/webp" width="1160" height="800"> <source srcset="/web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/nist-homepage-standards-measurements_crop1x.webp?v1 1x, /web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/nist-homepage-standards-measurements_crop2x.webp?v1 2x" media="(min-width: 640px)" type="image/webp" width="680" height="800"> <source srcset="/web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/nist-homepage-standards-measurements_1x.webp?v1 1x, /web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/nist-homepage-standards-measurements.webp?v1 2x" media="(min-width: 0px)" type="image/webp" width="1160" height="800"> <source srcset="/web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/nist-homepage-standards-measurements_1x.jpg 1x, /web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/nist-homepage-standards-measurements.jpg 2x" media="(min-width: 800px)" type="image/jpg" width="1160" height="800"> <source srcset="/web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/nist-homepage-standards-measurements_crop1x.jpg 1x, /web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/nist-homepage-standards-measurements_crop2x.jpg 2x" media="(min-width: 640px)" type="image/jpg" width="680" height="800"> <source srcset="/web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/nist-homepage-standards-measurements_1x.jpg 1x, /web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/nist-homepage-standards-measurements.jpg 2x" media="(min-width: 0px)" type="image/jpg" width="1160" height="800"> <img src="/web/20230922014030im_/https://www.nist.gov/themes/custom/nist_www/img/homepage/nist-homepage-standards-measurements.jpg" width="1160" height="800" alt="A man wearing safety goggles leans over a scientific device." loading="lazy"> </picture> </div> <div class="nist-card__content"> <p class="mobile-lg:margin-top-neg-105 font-sans-md">NIST’s portfolio of services for measurements, standards, and legal metrology provide solutions that ensure measurement traceability, enable quality assurance, and harmonize documentary standards and regulatory practices.</p> <ul class="add-list-reset margin-top-4"> <li class="maxw-mobile-lg"><a href="/web/20230922014030/https://www.nist.gov/calibrations" class="usa-button usa-button-homepage usa-button-homepage--measure"><div class="flex-1 display-inline-flex text-left">Calibrations</div></a></li> <li class="maxw-mobile-lg"><a href="/web/20230922014030/https://www.nist.gov/documentary-standards" class="usa-button usa-button-homepage usa-button-homepage--file-text2"><div class="flex-1 display-inline-flex text-left">Documentary Standards</div></a></li> <li class="maxw-mobile-lg"><a href="/web/20230922014030/https://www.nist.gov/srd" class="usa-button usa-button-homepage usa-button-homepage--file-binary"><div class="flex-1 display-inline-flex text-left">Standard Reference Data</div></a></li> <li class="maxw-mobile-lg"><a href="/web/20230922014030/https://www.nist.gov/srm" class="usa-button usa-button-homepage usa-button-homepage--prescription"><div class="flex-1 display-inline-flex text-left">Standard Reference Materials</div></a></li> </ul> </div> </div> </div> </div> </div> <div class="grid-container padding-y-4"> <div class="grid-row grid-gap-6 margin-top-4"> <div class="tablet:grid-col-6"> <div class="nist-block"> <h2 class="nist-block__title">News</h2> <div class="views-element-container"><div class="js-view-dom-id-ec6f7ad7dab67236d55a885532e686059922ca71c7e4cae6eb0f1252d9a18066"> <div> <article role="article" about="/news-events/news/2023/09/whats-wrong-picture-nist-face-analysis-program-helps-find-answers" typeof="schema:Article" class="nist-teaser"> <div class="nist-teaser__image"> <div class="entity-reference"> <a href="/web/20230922014030/https://www.nist.gov/news-events/news/2023/09/whats-wrong-picture-nist-face-analysis-program-helps-find-answers" hreflang="en"><img loading="lazy" src="/web/20230922014030im_/https://www.nist.gov/sites/default/files/styles/thumbnail/public/images/2023/09/19/presentationattack-still.png?itok=OnLDFWJc" width="100" height="67" alt="Three images demonstrate types of presentation attacks: a person in heavy appearance-altering makeup, a person holding up a printed photo of another person, and a hand holding up a phone image of another person." typeof="foaf:Image"/> </a> </div> </div> <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/web/20230922014030/https://www.nist.gov/news-events/news/2023/09/whats-wrong-picture-nist-face-analysis-program-helps-find-answers"><span property="schema:name">What’s Wrong With This Picture? NIST Face Analysis Program Helps to Find Answers</span> </a></h3> <div class="nist-teaser__date"> <div class="daterange"><time datetime="2023-09-20T12:00:00Z">September 20, 2023</time> </div> </div> </header> <div class="nist-teaser__content"> <div property="schema:text" class="text-with-summary"> Two NIST evaluation studies will help software better detect photo spoofs and image quality issues. </div> </div> </div> </article> </div> <div> <article role="article" about="/news-events/news/2023/09/nist-researchers-develop-standards-help-eliminate-forever-chemicals" typeof="schema:Article" class="nist-teaser"> <div class="nist-teaser__image"> <div class="entity-reference"> <a href="/web/20230922014030/https://www.nist.gov/news-events/news/2023/09/nist-researchers-develop-standards-help-eliminate-forever-chemicals" hreflang="en"><img loading="lazy" src="/web/20230922014030im_/https://www.nist.gov/sites/default/files/styles/thumbnail/public/images/2023/09/11/thumbnail_IMG_7580.jpg?itok=jVCqJNB-" width="100" height="75" alt="Four small dark glass ampules stand on a lab table, market with skull and crossbones danger icons. " typeof="foaf:Image"/> </a> </div> </div> <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/web/20230922014030/https://www.nist.gov/news-events/news/2023/09/nist-researchers-develop-standards-help-eliminate-forever-chemicals"><span property="schema:name">NIST Researchers Develop Standards to Help Eliminate ‘Forever Chemicals’ in Firefighting Foams</span> </a></h3> <div class="nist-teaser__date"> <div class="daterange"><time datetime="2023-09-18T12:00:00Z">September 18, 2023</time> </div> </div> </header> <div class="nist-teaser__content"> <div property="schema:text" class="text-with-summary"> These foams contain chemicals called per- and polyfluoroalkyl substances (PFAS) that have raised environmental and health concerns. </div> </div> </div> </article> </div> <div> <article role="article" about="/news-events/news/2023/09/nists-shrimp-and-salmon-reference-materials-could-help-combat-seafood-fraud" typeof="schema:Article" class="nist-teaser"> <div class="nist-teaser__image"> <div class="entity-reference"> <a href="/web/20230922014030/https://www.nist.gov/news-events/news/2023/09/nists-shrimp-and-salmon-reference-materials-could-help-combat-seafood-fraud" hreflang="en"><img loading="lazy" src="/web/20230922014030im_/https://www.nist.gov/sites/default/files/styles/thumbnail/public/images/2023/09/07/Wild_Caught_Salmon_Cryomilling_18.jpg?itok=i9jTsgVW" width="100" height="75" alt="Pieces of salmon are being fed from a metal holder into the icy opening of a milling machine. " typeof="foaf:Image"/> </a> </div> </div> <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/web/20230922014030/https://www.nist.gov/news-events/news/2023/09/nists-shrimp-and-salmon-reference-materials-could-help-combat-seafood-fraud"><span property="schema:name">NIST’s Shrimp and Salmon Reference Materials Could Help Combat Seafood Fraud</span> </a></h3> <div class="nist-teaser__date"> <div class="daterange"><time datetime="2023-09-08T12:00:00Z">September 8, 2023</time> </div> </div> </header> <div class="nist-teaser__content"> <div property="schema:text" class="text-with-summary"> Seafood fraud can happen when fish is incorrectly labeled for consumers as a more expensive variety. </div> </div> </div> </article> </div> <div> <article role="article" about="/news-events/news/2023/09/nist-seeks-input-implementation-national-standards-strategy-critical-and" typeof="schema:Article" class="nist-teaser"> <div class="nist-teaser__image"> <div class="entity-reference"> <a href="/web/20230922014030/https://www.nist.gov/news-events/news/2023/09/nist-seeks-input-implementation-national-standards-strategy-critical-and" hreflang="en"><img loading="lazy" src="/web/20230922014030im_/https://www.nist.gov/sites/default/files/styles/thumbnail/public/images/2023/09/06/shutterstock_2118695234-burn-extend-aug23-CROP-web.jpg?itok=Nx-VZDfd" width="100" height="63" alt="Illustration shows a shiny robot hand pointing at icons including a molecule, a heart and an atom." typeof="foaf:Image"/> </a> </div> </div> <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/web/20230922014030/https://www.nist.gov/news-events/news/2023/09/nist-seeks-input-implementation-national-standards-strategy-critical-and"><span property="schema:name">NIST Seeks Input on Implementation of National Standards Strategy for Critical and Emerging Technology</span> </a></h3> <div class="nist-teaser__date"> <div class="daterange"><time datetime="2023-09-07T12:00:00Z">September 7, 2023</time> </div> </div> </header> <div class="nist-teaser__content"> <div property="schema:text" class="text-with-summary"> The strategy promotes technologically sound standards that help American industry compete internationally on a level playing field. </div> </div> </div> </article> </div> <footer> <div class="more-link"><a href="https://web.archive.org/web/20230922014030/https://www.nist.gov/news-events/news/search">View All News</a></div> </footer> </div> </div> </div> </div> <div class="tablet:grid-col-6"> <div class="nist-block"> <h2 class="nist-block__title">Events</h2> <div class="views-element-container"><div class="js-view-dom-id-8a8f2c5b6a4ec89aac4b63723ebf3836a621439cf34e53f8e751288b95aba658"> <div> <article role="article" about="/news-events/events/2023/09/chips-rd-standards-summit" class="nist-teaser"> <div class="nist-teaser__image"> <div class="entity-reference"> <a href="/web/20230922014030/https://www.nist.gov/news-events/events/2023/09/chips-rd-standards-summit" hreflang="en"><img loading="lazy" src="/web/20230922014030im_/https://www.nist.gov/sites/default/files/styles/thumbnail/public/images/2023/09/05/Web-Landing_Small_v4.png?itok=SLJu1gaR" width="100" height="100" alt="CHIPS R&D Standard Summit-v4" typeof="foaf:Image"/> </a> </div> </div> <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/web/20230922014030/https://www.nist.gov/news-events/events/2023/09/chips-rd-standards-summit"><span>CHIPS R&D Standards Summit</span> </a></h3> <div class="nist-teaser__date"> <div class="smartdate">Tue, Sep 26 - Wed, Sep 27 2023</div> </div> </header> <div class="nist-teaser__content"> <div class="text-with-summary"> The CHIPS Research and Development Office’s Standards Summit will be held as an in-person and virtual event on September </div> </div> </div> </article> </div> <div> <article role="article" about="/news-events/events/2023/09/additive-construction-path-standardization" class="nist-teaser"> <div class="nist-teaser__image"> <div class="entity-reference"> <a href="/web/20230922014030/https://www.nist.gov/news-events/events/2023/09/additive-construction-path-standardization" hreflang="en"><img loading="lazy" src="/web/20230922014030im_/https://www.nist.gov/sites/default/files/styles/thumbnail/public/images/2023/06/22/Add_Construction%20copy.jpg?itok=vcQeaZil" width="100" height="67" alt="Shutterstock Image Additive Construction -- The Path to Standardization" typeof="foaf:Image"/> </a> </div> </div> <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/web/20230922014030/https://www.nist.gov/news-events/events/2023/09/additive-construction-path-standardization"><span>Additive Construction - The Path to Standardization</span> </a></h3> <div class="nist-teaser__date"> <div class="smartdate">Tue, Sep 26 - Wed, Sep 27 2023</div> </div> </header> <div class="nist-teaser__content"> <div class="text-with-summary"> The event, Additive Construction – The Path to Standardization, will bring together industry stakeholders to discuss </div> </div> </div> </article> </div> <div> <article role="article" about="/news-events/events/2023/10/integrating-crystallographic-and-computational-approaches-carbon-capture" class="nist-teaser"> <div class="nist-teaser__image"> <div class="entity-reference"> <a href="/web/20230922014030/https://www.nist.gov/news-events/events/2023/10/integrating-crystallographic-and-computational-approaches-carbon-capture" hreflang="en"><img loading="lazy" src="/web/20230922014030im_/https://www.nist.gov/sites/default/files/styles/thumbnail/public/images/2023/06/08/Crystallographic_ImgBanner.jpg?itok=8IgXO5Ci" width="88" height="100" alt="Integrating crystallographic and computational approaches to carbon-capture materials for the mitigation of climate change" typeof="foaf:Image"/> </a> </div> </div> <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/web/20230922014030/https://www.nist.gov/news-events/events/2023/10/integrating-crystallographic-and-computational-approaches-carbon-capture"><span>Integrating Crystallographic and Computational Approaches to Carbon-Capture Materials for the Mitigation of Climate Change</span> </a></h3> <div class="nist-teaser__date"> <div class="smartdate">Tue, Oct 31 - Wed, Nov 1 2023</div> </div> </header> <div class="nist-teaser__content"> <div class="text-with-summary"> NIST will host a workshop “Integrating crystallographic and computational approaches to carbon-capture materials for the </div> </div> </div> </article> </div> <div> <article role="article" about="/news-events/events/2023/11/nist-fda-workshops-measurements-and-standards-advanced-therapy" class="nist-teaser"> <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/web/20230922014030/https://www.nist.gov/news-events/events/2023/11/nist-fda-workshops-measurements-and-standards-advanced-therapy"><span>NIST-FDA Workshops on Measurements and Standards for Advanced Therapy</span> </a></h3> <div class="nist-teaser__date"> <div class="smartdate">Wed, Nov 1 - Fri, Nov 3 2023</div> </div> </header> <div class="nist-teaser__content"> <div class="text-with-summary"> WORKSHOP OVERVIEW Regenerative medicine , including cell and gene therapy, provides an unprecedented potential to treat </div> </div> </div> </article> </div> <div> <article role="article" about="/news-events/events/2024/02/quantum-matters-materials-science-workshop" class="nist-teaser"> <div class="nist-teaser__image"> <div class="entity-reference"> <a href="/web/20230922014030/https://www.nist.gov/news-events/events/2024/02/quantum-matters-materials-science-workshop" hreflang="en"><img loading="lazy" 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