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Novel hollow-core optical fiber transmits data 45% faster with record low loss

news.ycombinator.com Krystal Kasal 2025-10-09 09:37:54

This article has been reviewed according to Science X's editorial process and policies . Editors have highlighted the following attributes while ensuring the content's credibility: Modeling validation. Credit: Nature Photonics (2025). DOI: 10.1038/s41566-025-01747-5 Despite the modern world relying heavily on digital optical communication, there has not been a significant improvement in the minimum attenuation—a measure of the loss of optical power per kilometer traveled—of optical fibers in a

Topics: db fiber fibers km loss

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Meschers: Geometry Processing of Impossible Objects

news.ycombinator.com Ana Dodik 2025-10-08 07:09:50

Meschers: Geometry Processing of Impossible Objects Fig. 1. The mescher is a geometry representation that allows rendering and relighting impossible objects (left), as well as performing intrinsic geometry processing operations like heat diffusion (center) and geodesic distance queries (right). Abstract Impossible objects, geometric constructions that humans can perceive but that cannot exist in real life, have been a topic of intrigue in visual arts, perception, and graphics, yet no satisfyin

Topics: geometry impossible meschers objects representation

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Age Simulation Suit

news.ycombinator.com Wolfgang Moll 2025-10-15 02:41:24

GERonTologic simulator GERT The age simulation suit GERT offers the opportunity to experience the impairments of older persons even for younger people. The age-related impairments are: ■ opacity of the eye lens ■ narrowing of the visual field ■ high-frequency hearing loss ■ head mobility restrictions ■ joint stiffness ■ loss of strength ■ reduced grip ability ■ reduced coordination skills GERT for only 1390,‑ / £ 1250,- complete as pictured, plus shipping and VAT if applicable N

Topics: age gert great loss orders

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Minesweeper thermodynamics

news.ycombinator.com Posted On 2025-10-12 22:14:20

You know how sometimes you start a game of Minesweeper and immediately get stuck? Like maybe there are some cells that you know are mines, but there aren’t any places that are safe to click. In this example there are five different ways you could fill in the mines in the neighbouring cells. Note that there’s no cell which is safe in every possibility, so there’s nowhere we can safely click to get more information. So in order to plan our next click, it would be good to know how likely it is t

Topics: frac mines possibility right times

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C3 AI reports declining revenue, announces new CEO to replace Siebel

cnbc.com Ashley Capoot 2025-10-16 18:55:05

The C3.ai logo is seen near a computer motherboard in this illustration taken on Jan. 8, 2024. Shares of the enterprise artificial intelligence company C3 AI fell 14% in extended trading on Wednesday after it announced fiscal first-quarter results and the appointment of Stephen Ehikian as its new CEO. C3 AI reported $70.3 million in revenue for the quarter, down from $87.2 million during the same period last year. The company's GAAP net loss widened to an 86-cent loss from a 50-cent loss a yea

Topics: ai c3 ehikian loss new

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An LLM is a lossy encyclopedia

news.ycombinator.com Simon Willison 2025-10-16 22:40:19

Since I love collecting questionable analogies for LLMs, here's a new one I just came up with: an LLM is a lossy encyclopedia. They have a huge array of facts compressed into them but that compression is lossy (see also Ted Chiang). The key thing is to develop an intuition for questions it can usefully answer vs questions that are at a level of detail where the lossiness matters. This thought sparked by a comment on Hacker News asking why an LLM couldn't "Create a boilerplate Zephyr project sk

Topics: answer encyclopedia llm lossy questions

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The 5 Benefits and Risks of Sea Moss Gummies, and Who Should Try Them

cnet.com See Full Bio 2025-10-22 21:34:00

Sea moss gummies have become a popular supplement, perhaps in part due to celebrities like Bella Hadid drinking sea moss gel every morning. Now, in addition to gels, you'll find countless brands selling the seaweed in gummy form, making it even more difficult to figure out what's fact or fiction, and if sea moss gummies are even right for you in the first place. To see if the potential benefits of sea moss gummies outweigh the risks, we reached out to experts to learn more about the seaweed in

Topics: gummies health iodine moss sea

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The New York Times Mini Crossword Is No Longer Free to All: Here's One Way to Play

cnet.com See Full Bio 2025-10-23 03:54:29

The New York Times Mini Crossword is a fun and simple younger sibling to the newspaper's legendary regular daily crossword. The Mini Crossword (we publish the answers daily) usually has only about six across-clues and six down-clues, and you can finish it in less than a minute if all goes well. It makes me feel smart, unlike the big crossword, which sometimes makes me throw things. But this Wednesday, some Mini Crossword players were met with a paywall. Going forward, anyone who doesn't pay fo

Topics: crossword free games subscription times

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Google Has a New Device Protection Program: Here's What to Know About Pixel Care Plus

cnet.com See Full Bio 2025-10-25 17:15:00

Thinking about getting the new Google Pixel 10? Google has a new way to protect your new device at a monthly rate with a newly renovated device protection program, Pixel Care Plus, that replaces Google Preferred Care. Pixel Care Plus covers damage from accidents, such as water spills or screen cracks. It also offers unlimited free screen repairs and battery replacements. Additionally, the program covers loss and theft protection with a separate plan. But before you gear up to register your smar

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Google Has a New Device Protection Program: Here's What to Know About Pixel Care+

cnet.com See Full Bio 2025-10-26 03:15:00

Thinking about getting the new Google Pixel 10? Google has a new way to protect your new device at a monthly rate with a newly renovated device protection program, Pixel Care Plus, that replaces Google Preferred Care. Pixel Care Plus covers damage from accidents, such as water spills or screen cracks. It also offers unlimited free screen repairs and battery replacements. Additionally, the program covers loss and theft protection with a separate plan. But before you gear up to register your smar

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Using information theory to solve Mastermind

news.ycombinator.com Unknown 2025-10-25 19:54:11

How you've just played optimal Mastermind Mastermind is a game all about information. The Code Master selects one of $ 6^4 = 1\,296 $ secret codes. Each incorrect guess gives us information by eliminating some of these; the more codes that are ruled out, the more information that guess has provided. Let's quantify this insight! Suppose a guess gets some response that reduces the number of possible keys from some number $n$ to a smaller $n'<n$. The convention in information theory, a branc

Topics: guess information number possible response

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Scientist exposes anti-wind groups as oil-funded. Now they want to silence him

news.ycombinator.com Jameson Dow 2025-10-29 19:49:23

Image: Empire Wind Oil-funded groups are engaging in strategic harassment to stop scientists from revealing the nature of their politically-linked disinformation networks – in what should be a surprise to nobody. A new report came out last week from the Climate & Development Lab (CDL) at Brown University, titled “Legal Entanglements: Mapping Connections of Anti-Offshore Wind Groups and their Lawyers in the Eastern United States.” The study focuses on several examples of law firms with connect

Topics: disinformation fossil groups power wind

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A ‘Knight Rider’ Movie Is in the Works From the Creators of ‘Cobra Kai’

gizmodo.com Germain Lussier 2025-10-30 10:45:34

The Netflix hit Cobra Kai was the perfect balance of 1980s nostalgia and modern sensibilities. Now, the team behind that show has been tapped to do the same for another popular brand from the decade: Knight Rider. The Hollywood Reporter says that Jon Hurwitz, Hayden Schlossberg, and Josh Heald are in early talks to make a movie based on the hit show, which starred David Hasselhoff as a detective who gets paired with an artificially intelligent car called KITT (which stood for Knight Industries

Topics: cobra early hurwitz kai schlossberg

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WIRED Might Have Found a New Best Bag in the World

wired.com Jeremy White 2025-11-02 05:56:39

A confession: I love my bags. A few years ago, I became convinced I'd found the best bag in the world. Now, however, I may well have a contender for that coveted spot. It is the Mountain Cross Bag from Topo Designs, and in just the two months I've been using it, this versatile carrier has become completely indispensable to me. WIRED readers will be familiar with Topo; they make our fave Global Briefcase design, but personally it's just a touch too large for me. If we're going to start throwing

Topics: bag cross just mountain topo

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Why wind farms attract so much misinformation and conspiracy theory

arstechnica.com Unknown 2025-11-03 02:07:40

When Donald Trump recently claimed, during what was supposed to be a press conference about a European Union trade deal, that wind turbines were a "con job" that drive whales "loco," kill birds and even people, he wasn’t just repeating old myths. He was tapping into a global pattern of conspiracy theories around renewable energy—particularly wind farms. (Trump calls them “windmills”—a climate denier trope.) Like 19th century fears that telephones would spread diseases, wind farm conspiracy theo

Topics: energy fossil fuel renewables wind

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TikTok parent company ByteDance releases new open source Seed-OSS-36B model with 512K token context

venturebeat.com Carl Franzen 2025-11-09 06:04:24

Want smarter insights in your inbox? Sign up for our weekly newsletters to get only what matters to enterprise AI, data, and security leaders. Subscribe Now TikTok is making headlines again today after the White House joined the popular social media application — but its parent company ByteDance, a Chinese web giant, also had a surprise announcement up its sleeve. The company’s Seed Team of AI researchers today released Seed-OSS-36B on AI code sharing website Hugging Face. Seed-OSS-36B is new

Topics: 36b open oss seed synthetic

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The Global Car Reckoning Is Here. Far Too Many Auto Companies Don’t Have a Plan

wired.com Nick Gibbs 2025-11-13 16:56:30

On a drab, overcast March day in Amsterdam in 2022, Stellantis CEO Carlos Tavares took off his face mask and strode onto a makeshift stage to confidently explain to a crowd of journalists and analysts how the company that had recently unified brands as diverse as Fiat, Peugeot, Maserati, Ram, and Opel was going rewrite the rules of the car industry. His tie sat slightly askew and his greying hair needed a trim, the picture of a man far too focused on applying dynamic capitalistic principles to a

Topics: business loss new stellantis tavares

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Ozempic Users Can Now Workout With Apple Fitness Plus Through New Weight-Loss Partnership

cnet.com See Full Bio 2025-11-16 12:00:00

If you're a FuturHealth member, you'll now have a free membership to Apple Fitness Plus as part of your program. It's Apple Fitness Plus’s first direct integration with a personalized GLP-1 weight-loss program. FuturHealth offers personalized weight-loss guidance and medications with the help of licensed dietitians and doctors. These include GLP-1 agonists such as semaglutide -- better known as Ozempic. It's partnered with Valisure, a tech company that provides independent quality assurance, to

Topics: fitness glp loss medications weight

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AI is different

news.ycombinator.com Unknown 2025-11-13 22:49:42

antirez 2 days ago. 20374 views. Regardless of their flaws, AI systems continue to impress with their ability to replicate certain human skills. Even if imperfect, such systems were a few years ago science fiction. It was not even clear that we were so near to create machines that could understand the human language, write programs, and find bugs in a complex code base: bugs that escaped the code review of a competent programmer. Since LLMs and in general deep models are poorly understood, and

Topics: ai economic human possible systems

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This researcher turned OpenAI’s open weights model gpt-oss-20b into a non-reasoning ‘base’ model with less alignment, more freedom

venturebeat.com Carl Franzen 2025-11-17 15:19:07

Want smarter insights in your inbox? Sign up for our weekly newsletters to get only what matters to enterprise AI, data, and security leaders. Subscribe Now OpenAI’s new, powerful open weights AI large language model (LLM) family gpt-oss was released less than two weeks ago under a permissive Apache 2.0 license — the company’s first open weights model launch since GPT-2 in 2019 — but developers outside the company are already reshaping it. One of the most striking examples comes from Jack Morr

Topics: base gpt model openai oss

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Today's NYT Mini Crossword Answers for Friday, Aug. 15

cnet.com See Full Bio 2025-11-18 09:37:00

Looking for the most recent Mini Crossword answer? Click here for today's Mini Crossword hints, as well as our daily answers and hints for The New York Times Wordle, Strands, Connections and Connections: Sports Edition puzzles. Today's Mini Crossword has one of those two-part clues that I hate. 6-across and 8-across go together. I solved all the others, then let those fill in a bit before I saw the answers. Need help with the NYT Mini Crossword? Read on. And if you could use some hints and guid

Topics: answer answers clue crossword mini

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Here’s Acura’s next all-electric RSX crossover

arstechnica.com Unknown 2025-11-18 20:44:59

Acura's next RSX crossover has broken cover. The automaker has used this year's Monterey Car Week as a stage to show off a bright yellow prototype—the color is called Propulsion Yellow Pearl—ahead of the production car going on sale next year. And unlike the current generation (which Ars last tested back in 2019) RDX, this crossover will be fully electric. It will be built at the Honda Marysville Auto Plant that we checked out back in January. The 40-year old factory has been given a high-tech

Topics: acura brand crossover electric year

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Newly Discovered Fossils Reveal Unknown Humanlike Relative

gizmodo.com Natalia Mesa 2025-11-20 10:20:38

Researchers have uncovered fossils belonging to a previously unknown ancient human relative. And they may have lived in the same time and place as the earliest-known members of the genus Homo, from which modern humans evolved, according to a new study. A team of archeologists working at Ethiopia’s Ledi-Geraru research project area unearthed a set of fossilized teeth that likely belonged to an unidentified species within the Australopithecus genus, known for having both human- and ape-like trait

Topics: australopithecus fossils homo human species

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CoreWeave tanks 20% after posting wider-than-expected loss ahead of lock-up expiration

cnbc.com Samantha Subin 2025-11-23 00:12:24

CoreWeave 's stock sank 20% after the renter of artificial intelligence data centers reported a bigger-than-expected loss. In its second quarterly financial results as a public company, CoreWeave reported an adjusted loss of 27 cents per share, compared to a loss of 21 cents per share expected by analysts polled by LSEG. CoreWeave's results came as the lock-up period following its initial public offering is set to expire Thursday evening and potentially add volatility to shares. The term refer

Topics: analysts billion coreweave loss shares

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CoreWeave stock slumps 20% on wider-than-expected loss ahead of lock-up expiration

cnbc.com Samantha Subin 2025-11-23 05:49:56

CoreWeave 's stock sank 20% after the renter of artificial intelligence data centers reported a bigger-than-expected loss. In its second quarterly financial results as a public company, CoreWeave reported an adjusted loss of 27 cents per share, compared to a loss of 21 cents per share expected by analysts polled by LSEG. CoreWeave's results came as the lock-up period following its initial public offering is set to expire Thursday evening and potentially add volatility to shares. The term refer

Topics: analysts billion coreweave loss shares

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Cross-Site Request Forgery

news.ycombinator.com Unknown 2025-11-23 15:31:08

Cross-Site Request Forgery (CSRF) is a confused deputy attack where the attacker causes the browser to send a request to a target using the ambient authority of the user’s cookies or network position. For example, attacker.example can serve the following HTML to a victim <form action="https://example.com/send-money" method="post"> <input type="hidden" name="to" value="filippo" /> <input type="hidden" name="amount" value="1000000" /> </form> and the browser will send a POST request to https://e

Topics: cross origin request requests site

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CoreWeave stock slumps 18% on wider-than-expected loss ahead of lock-up expiration

cnbc.com Samantha Subin 2025-11-23 20:59:11

CoreWeave 's stock dropped 18% after the renter of artificial intelligence data centers reported a bigger-than-expected loss. In its second quarterly financial results as a public company, CoreWeave reported an adjusted loss of 27 cents per share, compared to a loss of 21 cents per share expected by analysts polled by LSEG. CoreWeave's results came as the lock-up period following its initial public offering is set to expire Thursday evening and potentially add volatility to shares. The term re

Topics: analysts billion coreweave loss shares

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CoreWeave stock slumps 14% on wider-than-expected loss ahead of lockup expiration

cnbc.com Samantha Subin 2025-11-24 05:34:37

CoreWeave 's stock dropped 14% after the renter of artificial intelligence data centers reported a bigger-than-expected loss. In its second quarterly financial results as a public company, CoreWeave reported an adjusted loss of 27 cents per share, compared to a 21-cent loss per share expected by analysts polled by LSEG. CoreWeave's results came as the lock-up period following its initial public offering is set to expire Thursday evening and potentially add volatility to shares. The term refers

Topics: analysts billion coreweave loss shares

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This is the fastest local AI I've tried, and it's not even close - how to get it

zdnet.com Jack Wallen 2025-11-24 05:52:00

Jack Wallen / Elyse Betters Picaro / ZDNET ZDNET's key takeaways The gpt-oss:20b model is very fast. You'll get blazing-fast answers to your queries with gpt-oss:20b. With the latest version of Ollama installed, you can use this model. Let's talk about local AI and speed. There are a lot of factors that go into getting the most speed out of your AI, such as: Whether you have a dedicated GPU. The context length you use (the smaller, the faster). The complexity of your query. The LLM you

Topics: 20b gpt ollama oss use

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CoreWeave shares drop even as revenue tops estimates

cnbc.com Jordan Novet 2025-11-25 20:31:08

Mike Intrator, co-founder and CEO of CoreWeave, speaks at the Nasdaq headquarters in New York on March 28, 2025. CoreWeave shares fell about 6% in extended trading on Tuesday even as the provider of artificial intelligence infrastructure beat estimates for second-quarter revenue Here's how the company did in comparison with LSEG consensus: Earnings per share: Loss of 21 cents Loss of 21 cents Revenue: $1.21 billion vs. $1.08 billion expected Revenue more than tripled from $395.4 million a y

Topics: billion company coreweave loss quarter

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Latest Tech News

Novel hollow-core optical fiber transmits data 45% faster with record low loss

Meschers: Geometry Processing of Impossible Objects

Age Simulation Suit

Minesweeper thermodynamics

C3 AI reports declining revenue, announces new CEO to replace Siebel

An LLM is a lossy encyclopedia

The 5 Benefits and Risks of Sea Moss Gummies, and Who Should Try Them

The New York Times Mini Crossword Is No Longer Free to All: Here's One Way to Play

Google Has a New Device Protection Program: Here's What to Know About Pixel Care Plus

Google Has a New Device Protection Program: Here's What to Know About Pixel Care+

Using information theory to solve Mastermind

Scientist exposes anti-wind groups as oil-funded. Now they want to silence him

A ‘Knight Rider’ Movie Is in the Works From the Creators of ‘Cobra Kai’

WIRED Might Have Found a New Best Bag in the World

Why wind farms attract so much misinformation and conspiracy theory

TikTok parent company ByteDance releases new open source Seed-OSS-36B model with 512K token context

The Global Car Reckoning Is Here. Far Too Many Auto Companies Don’t Have a Plan

Ozempic Users Can Now Workout With Apple Fitness Plus Through New Weight-Loss Partnership

AI is different

This researcher turned OpenAI’s open weights model gpt-oss-20b into a non-reasoning ‘base’ model with less alignment, more freedom

Today's NYT Mini Crossword Answers for Friday, Aug. 15

Here’s Acura’s next all-electric RSX crossover

Newly Discovered Fossils Reveal Unknown Humanlike Relative

CoreWeave tanks 20% after posting wider-than-expected loss ahead of lock-up expiration

CoreWeave stock slumps 20% on wider-than-expected loss ahead of lock-up expiration

Cross-Site Request Forgery

CoreWeave stock slumps 18% on wider-than-expected loss ahead of lock-up expiration

CoreWeave stock slumps 14% on wider-than-expected loss ahead of lockup expiration

This is the fastest local AI I've tried, and it's not even close - how to get it

CoreWeave shares drop even as revenue tops estimates

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