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How Long Before Superintelligence?

news.ycombinator.com Unknown 2025-12-19 18:17:50

This is if we take the retina simulation as a model. As the present, however, not enough is known about the neocortex to allow us to simulate it in such an optimized way. But the knowledge might be available by 2004 to 2008 (as we shall see in the next section). What is required, if we are to get human-level AI with hardware power at this lower bound, is the ability to simulate 1000-neuron aggregates in a highly efficient way. The extreme alternative, which is what we assumed in the derivation

Topics: 10 ai brain human level

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‘The Conjuring: Last Rites’ Teases the Warrens’ Final Dance With the Devil

gizmodo.com Cheryl Eddy 2025-12-20 11:15:06

It’s been over a decade since The Conjuring hit theaters and terrified audiences enough to spark what’s now an ever-expanding cinematic universe, with Annabelle and The Nun spawning adjacent series. But the supernatural adventures of Ed and Lorraine Warren—based on the real-life paranormal investigators and played in the Conjuring movies by Patrick Wilson and Vera Farmiga—are coming to an end in The Conjuring: Last Rites. We now have a second trailer for the fourth Conjuring movie, directed by

Topics: conjuring ed farmiga lorraine rites

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Aurora’s autonomous trucks are now driving at night. Its next big challenge is rain.

techcrunch.com Kirsten Korosec 2025-12-21 21:48:10

Over the next year, Aurora Innovation CEO Chris Urmson wants to “unlock” the Sunbelt of the United States, a southern route where its self-driving trucks will carry goods for companies like Uber Freight and Hirschbach Motor Lines. Aurora, which launched its driverless commercial self-driving truck service this spring, has already made some progress towards that goal. The company reported Wednesday in its second-quarter letter to shareholders that it now has three self-driving trucks operating c

Topics: aurora company driverless rain trucks

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A short post on short trains

news.ycombinator.com Shaked Koplewitz 2025-12-22 04:15:07

Epistemic status: Main part is well-supported but may have some minor errors. The parts about potential future lines are inherently speculative. Small Train is Good Train A while ago, I wrote about how elevated trains are the greatest urbanism cheat code, increasing the amount of track miles you can build per dollar (or per year) by a factor of 2-4. And while I don’t have anything else on that order of magnitude, I do have one more easy 20-50% gain: Run shorter trains. The basic idea is simpl

Topics: build capacity jersey small trains

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What Your Nighttime Breathing Says About Your Health

wired.com Anna Mckie 2025-12-24 12:00:00

For decades, sleep disturbance was a punch line: the cartoon dad snoring, the disgruntled partner burying their head under a pillow. But science is beginning to paint a less jovial picture. Sleep apnea—a relatively common disorder where breathing repeatedly stops and starts during sleep—is now being taken seriously as a potential biomarker for a host of major health conditions, from cardiovascular disease to Alzheimer’s, even anxiety and depression. “Sleep is just as important for health as die

Topics: apnea brain disease says sleep

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Show HN: Terminal-Bench-RL: Training long-horizon terminal agents with RL

news.ycombinator.com Unknown 2025-12-23 20:12:03

🤓 Terminal-Bench-RL: Training Long-Horizon Terminal Agents with Reinforcement Learning TL;DR: I successfully built stable RL training infrastructure that scales to 32x H100 GPUs across 4 bare metal nodes for training long-horizon terminal-based coding agents. In doing so, I developed Terminal-Agent-Qwen3-32b to become the highest scoring Qwen3 agent on terminal-bench . WITHOUT training! (currently under submission): Unfortunately I am too GPU poor to train a SOTA coding agent 😅 (estimated £30

Topics: agent run task terminal training

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How the brain increases blood flow on demand

news.ycombinator.com Catherine Caruso 2025-12-24 23:13:32

Work described in this story was made possible in part by federal funding supported by taxpayers. At Harvard Medical School, the future of efforts like this — done in service to humanity — now hangs in the balance due to the government’s decision to terminate large numbers of federally funded grants and contracts across Harvard University. All day long, our brains carry out complicated and energy-intensive tasks such as remembering, solving problems, and making decisions. To supply the energy

Topics: areas blood brain energy findings

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How the Brain Increases Blood Flow on Demand

news.ycombinator.com Catherine Caruso 2025-12-25 05:13:32

Work described in this story was made possible in part by federal funding supported by taxpayers. At Harvard Medical School, the future of efforts like this — done in service to humanity — now hangs in the balance due to the government’s decision to terminate large numbers of federally funded grants and contracts across Harvard University. All day long, our brains carry out complicated and energy-intensive tasks such as remembering, solving problems, and making decisions. To supply the energy

Topics: areas blood brain energy findings

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The Pandemic Appears to Have Accelerated Brain Aging, Even in People Who Never Got Covid

wired.com Javier Carbajal 2025-12-26 02:52:21

More than five years after the start of the Covid-19 pandemic, we are still discovering the after-effects of not only the virus but also the prolonged period of stress, isolation, loss, and uncertainty that the pandemic caused. A new scientific study, published this month in Nature Communications, has revealed that the pandemic may have accelerated brain aging in people even if they were never infected with the coronavirus. Researchers at the University of Nottingham in the UK analyzed brain im

Topics: brain pandemic people scans study

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The Best Fantasy Movies to Stream on Prime Video

cnet.com See Full Bio 2025-12-26 05:00:04

A live-action remake of 2010's How to Train Your Dragon debuted in theaters last month, and the second animated movie is getting the same treatment. That version won't be here until 2027, but you can watch Hiccup, Astrid and Toothless in 2014's How to Train Your Dragon 2 with Prime.

Topics: 2010 2027 action dragon train

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Optimi-Zi(n)g Sudoku-Solving

news.ycombinator.com Olivier'S Log 2025-12-23 05:47:35

Optimi-Zi(n)g Sudoku-Solving 26 July 2025 , in Olivier's log One of the first program that I wrote in Zig (in September 2023) was a Sudoku-Solver, implementing the dancing-links (DLX) algorithm. I decided to revisit this program recently to experiment with benchmarking and try to increase its speed. Dancing-Links (DLX) algorithm applied to sudoku The Dancing-Links algorithm is an efficient backtracking algorithm to solve "exact-cover" problems, by using a matrix of 0 and 1s. Dancing Links o

Topics: cells constraints line lines sudoku

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Show HN: Terminal-Bench-RL: Training Long-Horizon Terminal Agents with RL

news.ycombinator.com Unknown 2025-12-26 20:12:03

🤓 Terminal-Bench-RL: Training Long-Horizon Terminal Agents with Reinforcement Learning TL;DR: I successfully built stable RL training infrastructure that scales to 32x H100 GPUs across 4 bare metal nodes for training long-horizon terminal-based coding agents. In doing so, I developed Terminal-Agent-Qwen3-32b to become the highest scoring Qwen3 agent on terminal-bench . WITHOUT training! (currently under submission): Unfortunately I am too GPU poor to train a SOTA coding agent 😅 (estimated £30

Topics: agent run task terminal training

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GLM-4.5: Reasoning, Coding, and Agentic Abililties

news.ycombinator.com Unknown 2025-12-28 18:15:52

Today, we introduce two new GLM family members: GLM-4.5 and GLM-4.5-Air — our latest flagship models. GLM-4.5 is built with 355 billion total parameters and 32 billion active parameters, and GLM-4.5-Air with 106 billion total parameters and 12 billion active parameters. Both are designed to unify reasoning, coding, and agentic capabilities into a single model in order to satisfy more and more complicated requirements of fast rising agentic applications. Both GLM-4.5 and GLM-4.5-Air are hybrid re

Topics: agentic coding glm reasoning training

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The Electron E1 Processor

news.ycombinator.com Unknown 2025-12-29 18:37:42

Innovation demands processors that can keep up. Readily available processors are built on technology that is over 70 years old. This limits innovation. To meet modern demands, processors must be entirely reimagined, breaking free from the constraints that have plagued computing for decades. This spatial dataflow architecture supports general-purpose computing, without being bound by the constraints of traditional processor designs or limited by fixed-purpose accelerators. The Electron E1

Topics: computing constraints innovation processors purpose

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Somnee Smart Sleep Headband Review: High-Tech Help

wired.com Molly Higgins 2026-01-01 02:31:00

I have struggled with insomnia for as long as I can remember. I’ve tried basically every sleep aid on the market, plus I need a sound machine, sleep mask, blackout curtain, and weighted blanket to even begin the process of trying to fall asleep. So I decided to try something new. Before bed, on and off for the past several months, I've been wearing Somnee, a wearable sleep tech headband that aims to map the brain using EEG (electroencephalogram) sensors to deliver individualized therapeutic sti

Topics: brain personalized sleep somnee stimulation

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Food as Medicine: Try Eating These Foods Next Time You Have a Headache

cnet.com See Full Bio 2026-01-04 05:46:03

If you're looking for something other than aspirin to relieve a headache, experts say you should consider what's on your plate. Though eating certain foods isn't a miracle cure for migraines or headaches, it can help alongside hydration, exercise, sleep and stress management. "The most important thing I tell patients is that migraines are highly individualized," says Dr. Nicholas Church, a board-certified member of the American Board of Family Medicine and the American Academy of Family Physici

Topics: foods like magnesium migraine migraines

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Ukrainians arrest alleged admin of major crime forum XSS

arstechnica.com Unknown 2026-01-05 06:10:08

Yesterday, Ukrainian authorities arrested the suspected administrator of a notorious Russian-language crime forum, XSS.is. In an X post, the Paris Prosecutor's Office announced that Ukrainian authorities detained the suspect after an investigation conducted with French authorities' and Europol's help that began almost exactly four years ago. XSS has been "one of the main hubs of global cybercrime" since 2013, French authorities said, allowing "the sale of malware, access to compromised systems

Topics: admin authorities forum french ukrainian

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Tram Trains

news.ycombinator.com Benedict Springbett 2026-01-06 00:37:12

We’re hiring someone in London to help grow Works in Progress's audience and sell Stripe Press books (and, soon, Works in Progress magazine subscriptions). If this could be you, please apply here! Many cities face the following problem. They have railway lines that go where people live. But these railway lines end at the edge of the city center, and don’t go out the other side. For cities with this problem, the solution is through running. Terminating a train and turning it around takes a lot

Topics: center city railway trains tram

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Herringbone Tiles

news.ycombinator.com Unknown 2026-01-03 11:42:04

Herringbone Tiles Sean Barrett Silver Spaceship Software In this paper I'll describe a method for expanding on the technique of Wang Tiles for generating large 2D regions from smaller ones. I call the technique "Herringbone Wang Tiles" or just "Herringbone Tiles". It is also of particular relevance to the map system used in Infamous by Sucker Punch. For an unreleased indie CRPG I worked on in 2010, I used an extremely simple method of dungeon map generation. It involves assembling a large

Topics: constraints edge edges tile tiles

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There's Neuralink—and There's the Mind-Reading Company That Might Surpass It

wired.com Emily Mullin 2026-01-12 16:00:00

Mark Jackson is playing a computer game with his mind. As he reclines in bed, three blue circles appear on a laptop screen a few feet away. One turns red: the target. Jackson is in control of a white circle, which he needs to steer into the target without running into the blue obstacles. The game is a bit like Pac-Man. Except instead of a joystick, Jackson uses his thoughts to control his little white circle. To move left, he thinks about clenching his right fist once. To move right, he thinks a

Topics: als brain disease game jackson

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How slow motion became cinema’s dominant special effect

news.ycombinator.com Scott W. Stern 2026-01-08 09:34:29

About 20 years ago, a neuroscientist named David Eagleman strapped a bunch of students into harnesses, hoisted them to the top of an imposing metal tower, and then, without warning, dropped them 150 feet. Though the students landed safely in nets, the experience was—by design—terrifying. Eagleton wanted to simulate the feeling of plummeting to one’s death. His goal was to figure out why survivors of near-death experiences almost always said the same thing: “It felt like the world was going in sl

Topics: brains eagleman mo motion slow

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New York’s bill banning One-Person Train Operation

news.ycombinator.com Blair Lorenzo 2026-01-12 06:33:47

The New York State Legislature has just passed a bill (S4091/A04873) that would lock New York City’s transit system in the past. This bill, which would require a conductor to be on board every train operated by New York City Transit, is the technological equivalent of requiring every elevator in the city to still be staffed by an elevator operator. If you take other transit systems both across the country and around the world, you'll quickly realize that two-person train operation (TPTO) is an o

Topics: mta new train trains transit

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Brain Scans Reveal Why Waking Up Is Sometimes Such a Difficult Experience

gizmodo.com Gayoung Lee 2026-01-12 03:00:12

Want to wake up feeling great? The secret might not be so simple as a multi-step nighttime routine, early bedtime, or a no-device rule. A new study suggests that how we fall asleep and how we wake up the next day may not be so similar as we once thought. Neuroscientists tracked 20 people’s brain activity as they woke up from sleep—sometimes naturally, sometimes by setting off an alarm—recording more than 1,000 awakenings in total. They found a pattern of neural activity signaled waking, but tha

Topics: activity brain people rem sleep

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Zig's New Writer

news.ycombinator.com Jul 2026-01-10 03:01:03

Zig's new Writer As you might have heard, Zig's Io namespace is being reworked. Eventually, this will mean the re-introduction of async. As a first step though, the Writer and Reader interfaces and some of the related code have been revamped. This post is written based on a mid-July 2025 development release of Zig. It doesn't apply to Zig 0.14.x (or any previous version) and is likely to be outdated as more of the Io namespace is reworked. Not long ago, I wrote a blog post which tried to expl

Topics: drain file io std writer

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Best Chest Strap Heart-Rate Monitors for Your 2025 Workouts, Fitness Expert-Approved

cnet.com See Full Bio 2026-01-12 06:08:00

Why we like it: The Polar H10 is ideal for outdoor activities. You'll need to download the Polar Beat app to get the most out of it. The app is available for both iOS and Android and uses Bluetooth and ANT Plus connectivity to pair with different devices. The Polar H10 can connect to two Bluetooth devices at once, so you can connect it to both your smartwatch and a compatible piece of fitness equipment, like some treadmills or exercise bikes. The heart-rate monitor is easy to clip on and adjust

Topics: heart monitor polar rate training

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China’s Salt Typhoon Hackers Breached the US National Guard for Nearly a Year

wired.com Lily Hay Newman 2026-01-12 06:30:00

After reporting last week that the “raw” Jeffrey Epstein prison video posted by the FBI was likely modified in at least some ways (though there is no evidence that the footage was deceptively manipulated), WIRED reported on Tuesday that metadata analysis of the video shows approximately 2 minutes and 53 seconds were removed from one of two stitched-together clips. The United States Department of Homeland Security is facing controversy over DNA samples taken from approximately 133,000 migrant ch

Topics: data state trains video week

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Delaunay Mesh Generation (2012)

news.ycombinator.com Unknown 2026-01-11 22:01:26

Delaunay Mesh Generation Our book is a thorough guide to Delaunay refinement algorithms that are mathematically guaranteed to generate meshes with high quality, including triangular meshes in the plane, tetrahedral volume meshes, and triangular surface meshes embedded in three dimensions. It is also the most complete guide available to Delaunay triangulations and algorithms for constructing them. We have designed the book for two audiences: researchers, especially graduate students, and engin

Topics: algorithms constrained delaunay refinement triangulations

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Is HR ready for AI?

zdnet.com Vala Afshar 2026-01-17 18:16:13

sefa ozel/Getty Images A report from technology analyst firm Valoir has found that most companies are either already leveraging AI for HR activities, such as recruiting, learning, and talent management, or they plan to do so within the next 24 months. However, there's a significant gap in terms of policies, practices, and training for safe and effective AI adoption. Only 34% of organizations have a policy on generative AI (gen AI), and even fewer offer effective training. Also: 5 entry-level

Topics: ai hr management organizations training

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High-resolution imaging method details nerves across a mouse’s body

news.ycombinator.com Lenharo 2026-01-18 23:14:51

The cranial nerves (blue) and blood vessels (red) in the head of a mouse are revealed by a high-resolution imaging technique. Credit: M.-Y. Shi et al./Cell (CC-BY-4.0) A speedy imaging method can map the nerves running from a mouse’s brain and spinal cord to the rest of its body at micrometre-scale resolution, revealing details such as individual fibres travelling from a key nerve to distant organs1. Previous efforts have mapped the network of connections between nerve cells, known as the conn

Topics: body brain cell mouse nerves

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Hackers Can Tamper With Train Brakes Using Just a Radio, Feds Warn

gizmodo.com Rhett Jones 2026-01-21 21:10:56

The Cybersecurity and Infrastructure Security Agency (CISA) issued an advisory last week warning that a key train system could be hacked using nothing but a radio and a little know-how. The flaw has to do with the protocol used in a train system known as the End-of-Train and Head-of-Train. A Flashing Rear End Device (FRED), also known as an End-of-Train (EOT) device, is attached to the back of a train and sends data via radio signals to a corresponding device in the locomotive called the Head-o

Topics: cisa end smith train wrote

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Latest Tech News

How Long Before Superintelligence?

‘The Conjuring: Last Rites’ Teases the Warrens’ Final Dance With the Devil

Aurora’s autonomous trucks are now driving at night. Its next big challenge is rain.

A short post on short trains

What Your Nighttime Breathing Says About Your Health

Show HN: Terminal-Bench-RL: Training long-horizon terminal agents with RL

How the brain increases blood flow on demand

How the Brain Increases Blood Flow on Demand

The Pandemic Appears to Have Accelerated Brain Aging, Even in People Who Never Got Covid

The Best Fantasy Movies to Stream on Prime Video

Optimi-Zi(n)g Sudoku-Solving

Show HN: Terminal-Bench-RL: Training Long-Horizon Terminal Agents with RL

GLM-4.5: Reasoning, Coding, and Agentic Abililties

The Electron E1 Processor

Somnee Smart Sleep Headband Review: High-Tech Help

Food as Medicine: Try Eating These Foods Next Time You Have a Headache

Ukrainians arrest alleged admin of major crime forum XSS

Tram Trains

Herringbone Tiles

There's Neuralink—and There's the Mind-Reading Company That Might Surpass It

How slow motion became cinema’s dominant special effect

New York’s bill banning One-Person Train Operation

Brain Scans Reveal Why Waking Up Is Sometimes Such a Difficult Experience

Zig's New Writer

Best Chest Strap Heart-Rate Monitors for Your 2025 Workouts, Fitness Expert-Approved

China’s Salt Typhoon Hackers Breached the US National Guard for Nearly a Year

Delaunay Mesh Generation (2012)

Is HR ready for AI?

High-resolution imaging method details nerves across a mouse’s body

Hackers Can Tamper With Train Brakes Using Just a Radio, Feds Warn

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