--- title: Schneier on Security | daily.dev description: Researchers at ETH Zurich have developed a new type of pixel called a 'Fourier pixel' that can simultaneously display and capture images by manipulating... canonical: https://daily.dev/posts/schneier-on-security-9jaof2k3h twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Schneier on Security | daily.dev og:description: Researchers at ETH Zurich have developed a new type of pixel called a 'Fourier pixel' that can simultaneously display and capture images by manipulating... og:url: https://daily.dev/posts/schneier-on-security-9jaof2k3h og:image: https://api.daily.dev/og/posts/9jaoF2K3h.png og:image:alt: Schneier on Security og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Schneier on Security **[Schneier on Security](https://daily.dev/sources/schneier)** · 1 min read · 4 upvotes · 0 comments ## Summary Researchers at ETH Zurich have developed a new type of pixel called a 'Fourier pixel' that can simultaneously display and capture images by manipulating light's intensity, phase, and polarization. Published in Nature, this breakthrough means a single screen could function as both a display and a camera at the same time. Bruce Schneier draws a direct parallel to the telescreen from George Orwell's 1984, noting this brings surveillance technology closer to science fiction dystopia. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Questions this post answers ### What is a Fourier pixel and how does it work as both a screen and a camera? A Fourier pixel is a new type of pixel developed by researchers at ETH Zurich that can generate and sense arbitrary light fields simultaneously. It taps into a pixel's full potential for carrying information by manipulating light's intensity, oscillation phases, and polarization, letting a single device act as both a display and a camera at once. The findings appeared in a paper published in Nature. _Developers tracking emerging hardware capable of dual sensing and display follow research breakthroughs like this on daily.dev._ ## Similar posts on daily.dev - [A bidirectional pixel that is screen and camera in one](https://daily.dev/posts/a-bidirectional-pixel-that-is-screen-and-camera-in-one-lz0chjf1a) · The Next Web · 0 upvotes · 0 comments - [New Device Can Take Photographs With a Single Atom](https://daily.dev/posts/new-device-can-take-photographs-with-a-single-atom-6fbtp5tfi) · IEEE Spectrum · 0 upvotes · 0 comments - [Tiny infrared chip could improve detection of gases and heat](https://daily.dev/posts/tiny-infrared-chip-could-improve-detection-of-gases-and-heat-wddq9ax8s) · MIT News · 0 upvotes · 0 comments - [Single-photon switch could enable photonic computing](https://daily.dev/posts/single-photon-switch-could-enable-photonic-computing-zklvezixz) · Phys.org · 0 upvotes · 0 comments --- Tags: [#hardware](https://daily.dev/tags/hardware), [#privacy](https://daily.dev/tags/privacy), [#computer-vision](https://daily.dev/tags/computer-vision) [View this post on daily.dev](https://daily.dev/posts/schneier-on-security-9jaof2k3h) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Schneier on Security","url":"https://daily.dev/posts/schneier-on-security-9jaof2k3h","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/schneier-on-security-9jaof2k3h"},"datePublished":"2026-07-15T11:09:19.543Z","dateModified":"2026-09-14T08:19:36.436Z","description":"Researchers at ETH Zurich have developed a new type of pixel called a 'Fourier pixel' that can simultaneously display and capture images by manipulating...","image":"https://media.daily.dev/image/upload/s--0_ODbtD2--/f_auto/v1722860399/public/Placeholder%2008","thumbnailUrl":"https://media.daily.dev/image/upload/s--0_ODbtD2--/f_auto/v1722860399/public/Placeholder%2008","isAccessibleForFree":true,"articleSection":"Schneier on Security","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Schneier on Security","logo":"https://media.daily.dev/image/upload/s--0aZDA7eZ--/f_auto/v1758461069/logos/schneier","url":"https://daily.dev/sources/schneier"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/schneier-on-security-9jaof2k3h","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":4},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"hardware,privacy,computer-vision","timeRequired":"PT1M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Schneier on Security","item":"https://daily.dev/sources/schneier"},{"@type":"ListItem","position":3,"name":"Schneier on Security"}]} {"@context":"https://schema.org","@type":"FAQPage","@id":"https://daily.dev/posts/schneier-on-security-9jaof2k3h#faq","mainEntity":[{"@type":"Question","name":"What is a Fourier pixel and how does it work as both a screen and a camera?","acceptedAnswer":{"@type":"Answer","text":"A Fourier pixel is a new type of pixel developed by researchers at ETH Zurich that can generate and sense arbitrary light fields simultaneously. It taps into a pixel's full potential for carrying information by manipulating light's intensity, oscillation phases, and polarization, letting a single device act as both a display and a camera at once. The findings appeared in a paper published in Nature. Developers tracking emerging hardware capable of dual sensing and display follow research breakthroughs like this on daily.dev."}}]} ```