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Is It Cake? How Our Brain Deciphers Materials

news.ycombinator.com Dale Markowitz 2025-08-28 10:43:57

One of the greatest questions of the modern age is: Is it cake? As in: Is it an espresso machine, or cake? Paint can, or cake? Air fryer, or …? Millions of viewers have watched rapt as TikTok bakers slice or bite into inedible-looking objects with fluffy, frosting-filled innards … or have tuned into Is It Cake?, the aptly named Netflix show. Why? As a form of entertainment, this kind of visual trick is hardly new. For centuries, artists have delighted in fooling us into thinking one material is

Topics: brain material materials paper perception

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Parametric shape optimization with differentiable FEM simulation

news.ycombinator.com Unknown 2025-08-28 07:11:57

All examples are expected to run from the examples/<example_name> directory of the Tesseract-JAX repository . In this example, you will learn how to: Compose both Tesseracts with Tesseract-JAX to create a pipeline that can be used for differentiable shape optimization. Build a Tesseract that uses finite differences under the hood to enable differentiability of a non-autodifferentiable geometry operation (computing a signed distance field from a 3D model). In this notebook, we explore the opt

Topics: design field jacobian partial theta

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WinUAE 6 Amiga Emulator

news.ycombinator.com Unknown 2025-08-30 17:13:55

Major update to custom chipset emulation. Internally almost everything in main chipset emulation has been rewritten. Fastest possible/JIT mode chipset timing/sync had major changes which can cause side-effects. Bugs are very possible, especially in very rarely used features. Custom chipset rewrite Custom chipset emulation (Agnus/Alice and Denise/Lisa) almost completely rewritten. Almost every part of chipset emulation is now internally cycle accurate. Custom chipset Denise/Lisa emulation is

Topics: chipset emulated emulation keyboard mode

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macOS Icon History

news.ycombinator.com Https 2025-08-30 11:25:41

With macOS 26, Apple has announced a dramatically new look to their UI: Liquid Glass. Solid material icon elements give way to softer, shinier, glassier icons. The rounded rectangle became slightly more rounded, and Apple eliminated the ability for icon elements to extend beyond the icon rectangle (as seen in the current icons for GarageBand, Photo Booth, Dictionary, etc.). With this release being one of the most dramatic visual overhauls of macOS's design, I wanted to begin a collection chroni

Topics: apple collection elements icon icons

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Speeding up PostgreSQL dump/restore snapshots

news.ycombinator.com Unknown 2025-08-30 12:42:19

The last few pgstream releases have focused on optimizing snapshot performance, specifically for PostgreSQL targets. In this blog post, we’ll walk through the key improvements we made, share the lessons we learnt, and explain how they led to significant performance gains. But first, some context! What is pgstream? pgstream is an open source CDC(Change Data Capture) tool and library that offers Postgres replication support with DDL changes. Some of its key features include: Replication of DDL

Topics: batch data database pgstream replication

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Optimizing Tool Selection for LLM Workflows with Differentiable Programming

news.ycombinator.com Viksit Gaur 2025-08-30 16:52:46

Modern agentic architectures rely heavily on chaining LLM calls. A typical pattern looks like: Use an LLM to decide which tool to invoke Call the tool (e.g. search, calculator, API) Use another LLM call to interpret the result and generate a final response This structure is easy to reason about, simple to prototype, and generalizes well. But it scales poorly. Each LLM call incurs latency, cost, and token overhead. More subtly, it compounds context: every step includes not only the original q

Topics: differentiable llm model routing tool

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Elon Musk’s New Political Party Sparks MAGA Backlash Online

gizmodo.com Luc Olinga 2025-08-30 17:23:16

The suspense is finally over. Elon Musk, the visionary behind Tesla and SpaceX, officially declared the formation of a new political party on Saturday, July 5, 2025. His stated aim: to challenge the long-standing dominance of both the Republican and Democratic parties. “Today, the America Party is formed to give you back your freedom,” the controversial tech entrepreneur announced on X (formerly Twitter) at 3:46 PM ET. By a factor of 2 to 1, you want a new political party and you shall have it

Topics: 2025 july musk party political

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Today's NYT Connections Hints, Answers and Help for July 6, #756

cnet.com See Full Bio 2025-08-30 16:00:05

Looking for the most recent Connections answers? Click here for today's Connections hints, as well as our daily answers and hints for The New York Times Mini Crossword, Wordle, Connections: Sports Edition and Strands puzzles. Today's NYT Connections puzzle could be tough. That purple category almost sounds like one of the goofy TikTok parody Connections categories, like "18th century whaling ships spelled backwards and minus three letters." That's not the category, but it feels a little bit lik

Topics: answers connections group today words

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Today's NYT Connections: Sports Edition Hints and Answers for July 6, #286

cnet.com See Full Bio 2025-08-30 16:00:06

Looking for the most recent regular Connections answers? Click here for today's Connections hints, as well as our daily answers and hints for The New York Times Mini Crossword, Wordle and Strands puzzles. Need some answers for today's Connections: Sports Edition? Sitting here in Seattle, I was proud to nail the yellow category immediately (I might have had to move if I didn't get it right.) The green category wasn't too tough, but the others were more difficult. Read on for hints and the answer

Topics: answers connections group sports today

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CEOs Say AI Is Poised to Wipe Out an Astonishing Number of Jobs

futurism.com Unknown 2025-08-30 16:15:05

Billionaire tech moguls aren't the only ones doomsaying about artificial intelligence layoffs. CEOs across a range of industries are now jumping on the bandwagon, saying it's no longer a matter of "if," but "how many" jobs AI will take. A recent survey by the Wall Street Journal explored just how pervasive the automation idea is throughout a number of industries, and execs aren't pulling any punches. For example, CEO of Ford Motor Company Jim Farley recently predicted that AI "is going to repl

Topics: ai automation ceo jobs like

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The Lymow One robot lawn mower can do it all, and this Summer Sale is the best time to get one

androidauthority.com Unknown 2025-08-29 09:58:27

Now that summer is here, it’s the perfect time to enjoy the outdoors before the cooler fall and winter months arrive. If you love hosting backyard gatherings, you know how much work it takes to prepare your yard for these parties. And while the warm weather is perfect for relaxing, it can be challenging when you’re pushing a heavy lawnmower around for hours. That’s exactly where Lymow can help make things easier and more enjoyable. The Lymow One is a high-performance robot lawn mower that compl

Topics: lawn lymow mower robot time

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Why government red tape is draining your phone’s battery potential

androidauthority.com Unknown 2025-08-30 15:00:15

Robert Triggs / Android Authority You’re not alone if you’re pining for longer battery life from your latest smartphone. Despite emerging technologies like silicon-carbon cells, we’ve seemingly hit a ceiling just above the 5,000 mAh mark — at least for phones sold in the US and Europe. Meanwhile, glance over at models in China or India, and you’ll spot far larger batteries in otherwise identical handsets. For example, the new Nothing Phone 3 packs a 5,150mAh battery globally, but bumps that up

Topics: batteries battery cell regulations rules

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Happy Birthday, GamingOnLinux – 16 years today

news.ycombinator.com Liam Dawe 2025-08-30 15:33:00

Time really flies huh? GamingOnLinux has now been around officially for 16 years. Over the last year or two we've seen a good few other sites shut down, some had big layoffs, others got sold and turned into gambling sites, and various got sold off to the owners of IGN but we're still here to keep reporting on everything related somehow to Linux and the wider gaming industry. A big thank you as always to everyone reading, commenting and sharing our articles. An extra big thank you to all our sup

Topics: ai big data gamingonlinux time

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Is It Time to Stop Protecting the Grizzly Bear?

wired.com Christine Peterson 2025-08-30 12:00:00

This story originally appeared on Vox and is part of the Climate Desk collaboration. In the early 1900s, long before smartphones and selfie sticks, tourists flocked to Yellowstone National Park—not for the geysers or scenery, but for a grotesque show: a nightly spectacle of grizzly bears raiding cafeteria scraps from open-pit landfills like desperate, starving pirates. The bears were in dangerous proximity to humans: Hungry bears tore at open car windows. Tourists posed a little too close with

Topics: bears grizzly park population yellowstone

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The History of Electronic Music in 476 Tracks (1937–2001)

news.ycombinator.com Unknown 2025-08-28 04:28:02

Photo of Karlheinz Stockhausen by Kathinka Pasveer via Wikimedia Commons You may hear the phrase “electronic music” and think of superstar dubstep DJs in funny helmets at beachside celebrity parties. Alternatively, you may think of the mercurial compositions of Karlheinz Stockhausen, the musique concrete of Pierre Henry, or the otherworldly experimentalism of François Bayle. If you’re in that latter camp of music nerd, then this post may bring you very glad

Topics: elec ic music tion tron

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N-Back – A Minimal, Adaptive Dual N-Back Game for Brain Training

news.ycombinator.com Unknown 2025-08-28 12:07:34

Playing the N-Back test is straightforward but requires focused attention. Watch the 3x3 grid as blue squares appear in different positions. Your task is to remember the sequence and identify when the current position matches the one from N steps ago. For a 2-Back test (the standard version), you need to determine if the current square's position matches the position from 2 steps earlier. Click 'Match' or press the spacebar when you detect a match, or click 'No Match' or press 'N' when there's

Topics: click current match matches position

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Making My Own Hacktoberfest T-Shirts

news.ycombinator.com Terence Eden 2025-08-30 14:49:45

Between 2014 and 2022, DigitalOcean sent free t-shirts to developers who completed the Hacktoberfest challenge. For entirely sensible reasons related to sustainability and spammy entrants, they stopped doing physical merchandise in 2023. I'm the sort of hip fashionista who only wears free conference t-shirts. Sadly, after several years of constant catwalk modelling, my beloved Hacktoberfest shirts are full of holes. I couldn't find any for sale on eBay or Vinted - so I decided to make my own.

Topics: logo logos resolution shirts svg

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The messy reality of SIMD (vector) functions

news.ycombinator.com Ivica Bogosavljević 2025-08-30 12:14:52

We’ve discussed SIMD and vectorization extensively on this blog, and it was only a matter of time before SIMD (or vector) functions came up. In this post, we explore what SIMD functions are, when they are useful, and how to declare and use them effectively. A SIMD function is a function that processes more than one piece of data. Take for example a mathematical sin function: double sin(double angle); This function takes one double and returns one double. The vector version that processes four

Topics: compiler double function simd vector

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Why AO3 Was Down

news.ycombinator.com Unknown 2025-08-30 13:23:35

An unofficial sub devoted to AO3. The Archive of Our Own (AO3) offers a noncommercial and nonprofit central hosting place for fanworks. We are proactive and innovative in protecting and defending our work from commercial exploitation and legal challenge. We preserve our fannish economy, values, and creative expression by protecting and nurturing our fellow fans, our work, our commentary, our history, and our identity while providing the broadest possible access to fannish activity for all fans.

Topics: ao3 fannish fans protecting work

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OBBB signed: Reinstates immediate expensing for U.S.-based R&D

news.ycombinator.com Aileen Mendez 2025-08-30 11:24:00

Breaking News – July 3, 2025 Today, the House passed the Senate’s version of the “One Big Beautiful Bill Act” (OBBBA), marking a significant overhaul to federal tax policy. The signing reflects a major pivot in legislative priorities toward domestic production and pro-business tax policy. The new law restores 100% bonus depreciation, reinstates immediate expensing for U.S.-based R&D, terminates dozens of Inflation Reduction Act (IRA) clean energy programs, and permanently extends individual ta

Topics: 100 act beautiful policy tax

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Today's NYT Connections: Sports Edition Hints and Answers for July 5, #285

cnet.com See Full Bio 2025-08-30 14:44:00

Looking for the most recent regular Connections answers? Click here for today's Connections hints, as well as our daily answers and hints for The New York Times Mini Crossword, Wordle and Strands puzzles. Today's Connections: Sports Edition raised my confidence with a very easy yellow category. Then my guesses kind of fell apart. Need some help? Read on for hints and the answers. Connections: Sports Edition is out of beta now, making its debut on Super Bowl Sunday, Feb. 9. That's a sign that t

Topics: answers connections group sports today

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BLUETTI AC70 Power Station drops to an all-time low price

androidauthority.com Unknown 2025-08-30 18:24:38

I am a big fan of these “relatively portable” power stations. Their place in the market is solidifying right between the ultra-portable and the ultra-high-capacity models. You can easily take them places, but they are pretty powerful. If you’re looking for one of these middle-of-the-ground batteries, there’s currently a really nice sale on the BLUETTI AC70 Portable Power Station. Buy the BLUETTI AC70 Portable Power Station for just $328.99 ($270.01 off) This offer is available from Amazon, but

Topics: portable ports power prime station

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The ITTAGE indirect branch predictor

news.ycombinator.com Nelson Elhage 2025-08-30 15:57:21

While investigating the performance of the new Python 3.14 tail-calling interpreter, I learned (via this very informative comment from Sam Gross) new (to me) piece of performance trivia: Modern CPUs mostly no longer struggle to predict the bytecode-dispatch indirect jump inside a “conventional” bytecode interpreter loop. In steady-state, assuming the bytecode itself is reasonable stable, modern CPUs achieve very high accuracy predicting the dispatch, even for “vanilla” while / switch -style inte

Topics: branch history prediction predictor tage

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Air pollution may contribute to development of lung cancer in never-smokers

news.ycombinator.com Unknown 2025-08-30 20:33:45

Now, a study published on July 2 in Nature has uncovered compelling genomic evidence that points to air pollution—and other environmental exposures—as a potential major factor behind this growing public health concern. The study was jointly led by researchers at the University of California San Diego and the National Cancer Institute (NCI), part of the National Institutes of Health (NIH). “We’re seeing this problematic trend that never-smokers are increasingly getting lung cancer, but we haven’

Topics: cancer lung pollution smokers study

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Free as Air, Free as Water, Free as Knowledge (1992)

news.ycombinator.com Unknown 2025-08-27 10:28:16

``Free as Air, Free As Water, Free As Knowledge'' by Bruce Sterling Speech to the Library Information Technology Association June 1992, San Francisco CA Hi everybody. Well, this is the Library Information Technology Association, so I guess I ought to be talking about libraries, or information, or technology, or at least association. I'm gonna give it a shot, but I want to try this from an unusual perspective. I want to start by talking about money. You wouldn't guess it sometimes to hear so

Topics: information librarians library like people

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VLLM: Easy, Fast, and Cheap LLM Serving with PagedAttention

news.ycombinator.com Woosuk Kwon 2025-08-29 00:16:20

GitHub | Documentation | Paper LLMs promise to fundamentally change how we use AI across all industries. However, actually serving these models is challenging and can be surprisingly slow even on expensive hardware. Today we are excited to introduce vLLM, an open-source library for fast LLM inference and serving. vLLM utilizes PagedAttention, our new attention algorithm that effectively manages attention keys and values. vLLM equipped with PagedAttention redefines the new state of the art in LL

Topics: llm memory pagedattention throughput vllm

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Continue (YC S23) is hiring software engineers in San Francisco

news.ycombinator.com Unknown 2025-08-31 04:00:13

Why you should join Continue We believe there is an opportunity to create a future where developers are amplified, not automated. This is why we are enabling developers to create, share, and use custom AI code assistants with our open-source IDE extensions and hub of models, rules, prompts, docs, and other building blocks. Headquartered in San Francisco, Continue (YC S23) is funded by Heavybit and angels like Julien Chaumond (co-founder of Hugging Face), Lisha Li (founder of Rosebud AI), and F

Topics: ai building continue developers founder

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Pilou Asbæk on Playing the Mule, ‘Foundation’ Season 3’s Terrifying Villain

gizmodo.com Cheryl Eddy 2025-08-31 04:00:21

Long before joining Apple TV+ series Foundation as the Mule—season three‘s ruthless, flamboyant, and deeply complicated villain—Pilou Asbæk already had a fan base of genre TV watchers. He played Euron Greyjoy (a ruthless, flamboyant, deeply complicated villain) on HBO’s Game of Thrones. There’s a connection there, but to hear the Danish actor tell it, the similar characters are not a reflection of his actual personality whatsoever. “I’m the most boring guy alive,” Asbæk told io9 at a recent Fou

Topics: asbæk foundation know mule season

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Sam Altman Feels ‘Politically Homeless’ As Frenemy Musk Proposes Third Party

gizmodo.com Aj Dellinger 2025-08-31 08:14:08

Sam Altman is grappling with his political alignment. The 40-year-old CEO of OpenAI, like many of his fellow tech executives in recent years, has expressed that he does not feel at home in the Democratic Party or the Republican Party. In an extended post on X, Altman lamented the fact that he’s now “politically homeless” and yearns for a technocratic utopia—something his once friend and current rival Elon Musk has also been calling for with his push to form a third party. Hmm…interesting timing,

Topics: altman america musk party political

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Today's NYT Connections Hints, Answers and Help for July 5, #755

cnet.com See Full Bio 2025-08-31 08:00:21

Looking for the most recent Connections answers? Click here for today's Connections hints, as well as our daily answers and hints for The New York Times Mini Crossword, Wordle, Connections: Sports Edition and Strands puzzles. Today's NYT Connections puzzle has a few tough, and a few easy categories today. Read on for clues and today's Connections answers. The Times now has a Connections Bot, like the one for Wordle. Go there after you play to receive a numeric score and to have the program ana

Topics: answers connections group today words

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Latest Tech News

Is It Cake? How Our Brain Deciphers Materials

Parametric shape optimization with differentiable FEM simulation

WinUAE 6 Amiga Emulator

macOS Icon History

Speeding up PostgreSQL dump/restore snapshots

Optimizing Tool Selection for LLM Workflows with Differentiable Programming

Elon Musk’s New Political Party Sparks MAGA Backlash Online

Today's NYT Connections Hints, Answers and Help for July 6, #756

Today's NYT Connections: Sports Edition Hints and Answers for July 6, #286

CEOs Say AI Is Poised to Wipe Out an Astonishing Number of Jobs

The Lymow One robot lawn mower can do it all, and this Summer Sale is the best time to get one

Why government red tape is draining your phone’s battery potential

Happy Birthday, GamingOnLinux – 16 years today

Is It Time to Stop Protecting the Grizzly Bear?

The History of Electronic Music in 476 Tracks (1937–2001)

N-Back – A Minimal, Adaptive Dual N-Back Game for Brain Training

Making My Own Hacktoberfest T-Shirts

The messy reality of SIMD (vector) functions

Why AO3 Was Down

OBBB signed: Reinstates immediate expensing for U.S.-based R&D

Today's NYT Connections: Sports Edition Hints and Answers for July 5, #285

BLUETTI AC70 Power Station drops to an all-time low price

The ITTAGE indirect branch predictor

Air pollution may contribute to development of lung cancer in never-smokers

Free as Air, Free as Water, Free as Knowledge (1992)

VLLM: Easy, Fast, and Cheap LLM Serving with PagedAttention

Continue (YC S23) is hiring software engineers in San Francisco

Pilou Asbæk on Playing the Mule, ‘Foundation’ Season 3’s Terrifying Villain

Sam Altman Feels ‘Politically Homeless’ As Frenemy Musk Proposes Third Party

Today's NYT Connections Hints, Answers and Help for July 5, #755

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