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[SOURCE: https://arstechnica.com/science/2026/02/what-the-chinese-art-of-tian-tsui-has-to-do-with-kingfishers/#comments] | [TOKENS: 2625] |
birds of a feather X-rays reveal kingfisher feather structure in unprecedented detail Synchrotron radiation imaging revealed a porous, almost sponge-like nanostructure to create bright hues Jennifer Ouellette – Feb 18, 2026 9:24 am | 18 Credit: Jim Bendon/CC BY-SA 2.0 Credit: Jim Bendon/CC BY-SA 2.0 Text settings Story... |
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[SOURCE: https://arstechnica.com/newsletters/] | [TOKENS: 222] |
The best of Ars Technica, delivered straight to your inbox If you already have an Ars account, sign in to manage your subscriptions. A roundup of our trending pieces, beamed directly into your inbox every weekday afternoon. A roundup of our most popular stories, sent from our Orbiting HQ every Wednesday afternoon. Keep... |
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[SOURCE: https://arstechnica.com/affiliate-link-policy/] | [TOKENS: 507] |
Orbiting HQ Affiliate Link Policy Some articles on Ars Technica contain links to products available from online retailers. These links may contain codes that signal to the retailer that Ars Technica has referred you. Should you choose to purchase the product, Ars Technica may receive a commission on the sale. This is c... |
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[SOURCE: https://arstechnica.com/contact-us/] | [TOKENS: 225] |
Orbiting HQ Contact us Text settings Story text Size Small Standard Large Width * Standard Wide Links Standard Orange * Subscribers only Learn more Minimize to nav Main Contact Form Select a department(Required)Tips, Suggestions, and Press ReleasesForum Moderation (Ars Technica OpenForum)Front Page Commenting/Moderatio... |
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[SOURCE: https://en.wikipedia.org/wiki/Echo_state_network] | [TOKENS: 1312] |
Contents Echo state network An echo state network (ESN) is a type of reservoir computer that uses a recurrent neural network with a sparsely connected hidden layer (with typically 1% connectivity). The connectivity and weights of hidden neurons are fixed and randomly assigned. The weights of output neurons can be learn... |
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[SOURCE: https://arstechnica.com/page/2/] | [TOKENS: 2759] |
Ars Technica homepage Inside the DHS forum where ICE agents trash talk one another Forum members have discussed their discomfort with mass deportation efforts. WIRED – 2/18/2026 | 177 Inside the DHS forum where ICE agents trash talk one another Forum members have discussed their discomfort with mass deportation efforts... |
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[SOURCE: https://arstechnica.com/staff-directory/] | [TOKENS: 2027] |
Orbiting HQ Staff Directory Text settings Story text Size Small Standard Large Width * Standard Wide Links Standard Orange * Subscribers only Learn more Minimize to nav Ken Fisher Editor in Chief Ken Fisher Editor in Chief Ken is the founder & Editor-in-Chief of Ars Technica. A veteran of the IT industry and a scholar ... |
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[SOURCE: https://arstechnica.com/reprints/] | [TOKENS: 605] |
Orbiting HQ Reprints Guidelines for using Ars Technica’s content Text settings Story text Size Small Standard Large Width * Standard Wide Links Standard Orange * Subscribers only Learn more Minimize to nav Educational use Educators are permitted to make copies of and to distribute Ars Technica content under the followi... |
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[SOURCE: https://en.wikipedia.org/wiki/World#Eschatology] | [TOKENS: 5641] |
Contents World The world is the totality of entities, the whole of reality, or everything that exists. The nature of the world has been conceptualized differently in different fields. Some conceptions see the world as unique, while others talk of a "plurality of worlds". Some treat the world as one simple object, while... |
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[SOURCE: https://en.wikipedia.org/wiki/Boltzmann_machine] | [TOKENS: 3023] |
Contents Boltzmann machine A Boltzmann machine (also called Sherrington–Kirkpatrick model with external field or stochastic Ising model), named after Ludwig Boltzmann, is a spin-glass model with an external field, i.e., a Sherrington–Kirkpatrick model, that is a stochastic Ising model. It is a statistical physics techn... |
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[SOURCE: https://en.wikipedia.org/wiki/World#See_also] | [TOKENS: 5641] |
Contents World The world is the totality of entities, the whole of reality, or everything that exists. The nature of the world has been conceptualized differently in different fields. Some conceptions see the world as unique, while others talk of a "plurality of worlds". Some treat the world as one simple object, while... |
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[SOURCE: https://en.wikipedia.org/wiki/World#References] | [TOKENS: 5641] |
Contents World The world is the totality of entities, the whole of reality, or everything that exists. The nature of the world has been conceptualized differently in different fields. Some conceptions see the world as unique, while others talk of a "plurality of worlds". Some treat the world as one simple object, while... |
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[SOURCE: https://he.wikipedia.org/wiki/ה'תש"ט] | [TOKENS: 686] |
תוכן עניינים ה'תש"ט ה'תש"ט (5,709) ובקיצור תש"ט – היא שנה עברית אשר החלה ביום א' בתשרי, אור ל-4 באוקטובר 1948, והסתיימה ביום כ"ט באלול, 23 בספטמבר 1949.המולד של תשרי חל ביום ראשון, 15 שעות ו-171 חלקים. לפיכך זו שנה מסוג בשה. איננה מעוברת, ואורכה 355 ימים.זו שנה רביעית לשמיטה, ושנת 9 במחזור העיבור ה-301. תקופת ניסן שבשנ... |
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[SOURCE: https://en.wikipedia.org/wiki/Minecraft#Generation] | [TOKENS: 12858] |
Contents Minecraft Minecraft is a sandbox game developed and published by Mojang Studios. Following its initial public alpha release in 2009, it was formally released in 2011 for personal computers. The game has since been ported to numerous platforms, including mobile devices and various video game consoles. In Minecr... |
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[SOURCE: https://en.wikipedia.org/wiki/Minecraft#Gameplay] | [TOKENS: 12858] |
Contents Minecraft Minecraft is a sandbox game developed and published by Mojang Studios. Following its initial public alpha release in 2009, it was formally released in 2011 for personal computers. The game has since been ported to numerous platforms, including mobile devices and various video game consoles. In Minecr... |
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[SOURCE: https://en.wikipedia.org/wiki/Minecraft#Multiplayer] | [TOKENS: 12858] |
Contents Minecraft Minecraft is a sandbox game developed and published by Mojang Studios. Following its initial public alpha release in 2009, it was formally released in 2011 for personal computers. The game has since been ported to numerous platforms, including mobile devices and various video game consoles. In Minecr... |
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[SOURCE: https://en.wikipedia.org/wiki/U-Net] | [TOKENS: 663] |
Contents U-Net U-Net is a convolutional neural network that was developed for image segmentation. The network is based on a fully convolutional neural network whose architecture was modified and extended to work with fewer training images and to yield more precise segmentation. Segmentation of a 512 × 512 image takes l... |
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[SOURCE: https://en.wikipedia.org/wiki/LeNet] | [TOKENS: 3073] |
Contents LeNet LeNet is a series of convolutional neural network architectures created by a research group in AT&T Bell Laboratories during the 1988 to 1998 period, centered around Yann LeCun. They were designed for reading small grayscale images of handwritten digits and letters, and were used in ATM for reading chequ... |
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[SOURCE: https://en.wikipedia.org/wiki/DeepDream] | [TOKENS: 1241] |
Contents DeepDream DeepDream is a computer vision program created by Google engineer Alexander Mordvintsev that uses a convolutional neural network to find and enhance patterns in images via algorithmic pareidolia, thus creating a dream-like appearance reminiscent of a psychedelic experience in the deliberately overpro... |
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[SOURCE: https://en.wikipedia.org/wiki/Physics-informed_neural_networks] | [TOKENS: 4272] |
Contents Physics-informed neural networks Physics-informed neural networks (PINNs), also referred to as Theory-Trained Neural Networks (TTNs), are a type of universal function approximator that can embed the knowledge of any physical laws that govern a given data-set in the learning process, and can be described by par... |
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[SOURCE: https://en.wikipedia.org/wiki/Neural_radiance_field] | [TOKENS: 2524] |
Contents Neural radiance field A neural radiance field (NeRF) is a neural field for reconstructing a three-dimensional representation of a scene from two-dimensional images. The NeRF model enables downstream applications of novel view synthesis, scene geometry reconstruction, and obtaining the reflectance properties of... |
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[SOURCE: https://en.wikipedia.org/w/index.php?title=World&action=edit] | [TOKENS: 51] |
View source for World You do not have permission to edit this page, for the following reason: Why is the page protected? What can I do? Submit an edit request Pages transcluded onto the current version of this page (help): Return to World. |
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[SOURCE: https://en.wikipedia.org/w/index.php?title=World&action=history] | [TOKENS: 66] |
World: Revision history For any version listed below, click on its date to view it. For more help, see Help:Page history and Help:Edit summary. (cur) = difference from current version, (prev) = difference from preceding version, m = minor edit, → = section edit, ← = automatic edit summary |
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[SOURCE: https://en.wikipedia.org/w/index.php?title=World&oldid=1335484745] | [TOKENS: 5641] |
Contents World The world is the totality of entities, the whole of reality, or everything that exists. The nature of the world has been conceptualized differently in different fields. Some conceptions see the world as unique, while others talk of a "plurality of worlds". Some treat the world as one simple object, while... |
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[SOURCE: https://en.wikipedia.org/w/index.php?title=Special:CiteThisPage&page=World&id=1335484745&wpFormIdentifier=titleform] | [TOKENS: 546] |
Contents Cite This Page IMPORTANT NOTE: Most educators and professionals do not consider it appropriate to use tertiary sources such as encyclopedias as a sole source for any information—citing an encyclopedia as an important reference in footnotes or bibliographies may result in censure or a failing grade. Wikipedia a... |
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