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Faster NextGen Acela Trains Are Coming to the U.S. at the Worst Time

gizmodo.com David Alff 2025-11-26 16:55:33

When former President Joe Biden unveiled his US$1.9 trillion infrastructure plan in 2021, he found the perfect place to go public: Philadelphia’s 30th Street Station rail yard. Over the din of crackling wires and grumbling engines, the president made his case for revitalizing the country’s roads, ports, airports and rail lines. Behind Biden sat rows of gleaming Amtrak trains. Among them was a prototype of NextGen Acela, a sleek machine engineered to deliver the fastest passenger service in Ame

Topics: acela amtrak new rail trains

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OpenAI and Sam Altman are reportedly creating a startup rival to Elon Musk's Neuralink

engadget.com Unknown 2025-11-26 21:30:22

Sam Altman is preparing to co-found a new company funded by OpenAI that will go up against Elon Musk's Neuralink, The Financial Post reported. The startup, called Merge Labs, will use AI for its brain-computer interface and compete directly with Neuralink, along with other nascent companies in the field like Precision Neuroscience and Synchron. The name Merge Labs comes from a term Altman used in 2017 called "the merge" that describes the moment human brains and computers come together. The com

Topics: altman brain labs merge neuralink

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Sam Altman’s new startup wants to merge machines and humans

theverge.com Dominic Preston 2025-11-27 08:15:03

is a news editor with over a decade’s experience in journalism. He previously worked at Android Police and Tech Advisor. Posts from this author will be added to your daily email digest and your homepage feed. If you’ve enjoyed Elon Musk’s ongoing beef with Sam Altman and OpenAI, get ready for a whole new chapter: soon they’ll be rivals not just in AI, but in brain-computer interfaces too. The Financial Times reports that Altman and OpenAI are backing a new company called Merge Labs developing

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Is Chain-of-Thought Reasoning of LLMs a Mirage? A Data Distribution Lens

news.ycombinator.com Unknown 2025-11-29 02:52:47

Credit: Zhao et al The researchers used test cases that fall outside of the LLM training data in task type, format, and length. Credit: Zhao et al The researchers used test cases that fall outside of the LLM training data in task type, format, and length. These simplified models were then tested using a variety of tasks, some of which precisely or closely matched the function patterns in the training data and others that required function compositions that were either partially or fully "out of

Topics: answers credit data researchers training

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LLMs' "simulated reasoning" abilities are a brittle mirage

news.ycombinator.com Unknown 2025-11-30 02:52:47

Credit: Zhao et al The researchers used test cases that fall outside of the LLM training data in task type, format, and length. Credit: Zhao et al The researchers used test cases that fall outside of the LLM training data in task type, format, and length. These simplified models were then tested using a variety of tasks, some of which precisely or closely matched the function patterns in the training data and others that required function compositions that were either partially or fully "out of

Topics: answers credit data researchers training

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What does it mean to be thirsty?

news.ycombinator.com Dan Samorodnitsky 2025-11-30 00:03:37

Because these brain areas are difficult to study — due not only to their location, but also to their composition, with many different cell types and crisscrossed circuitry — it’s only in the last decade or so that neuroscientists have begun to understand how thirst fundamentally works. The body, researchers have found, is filled with sensors that feed clues to the brain about how much water or salt an organism needs to consume. How those sensors work, or what they even are, continues to elude sc

Topics: blood body brain salt water

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LLMs’ “simulated reasoning” abilities are a “brittle mirage,” researchers find

arstechnica.com Unknown 2025-12-01 11:16:46

Credit: Zhao et al The researchers used test cases that fall outside of the LLM training data in task type, format, and length. Credit: Zhao et al The researchers used test cases that fall outside of the LLM training data in task type, format, and length. These simplified models were then tested using a variety of tasks, some of which precisely or closely matched the function patterns in the training data and others that required function compositions that were either partially or fully "out of

Topics: answers credit data researchers training

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An AI Model for the Brain Is Coming to the ICU

wired.com Emily Mullin 2025-12-01 21:00:00

The Cleveland Clinic is partnering with San Francisco–based startup Piramidal to develop a large-scale AI model that will be used to monitor patients’ brain health in intensive care units. Instead of being trained on text, the system is based on electroencephalogram (EEG) data, which is collected via electrodes placed on the scalp and then read out by a computer in a series of wavy lines. EEG records the brain’s electrical activity, and changes in this activity can indicate a problem. In an ICU

Topics: brain data eeg icu model

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Sand and Deliver: We Raced Across Dunes to Find the Best Beach Wagon

wired.com Chris Haslam 2025-12-02 08:45:00

The family beach day. Nothing but blue sky, crystal waters, and beaming smiles. Unless you’re the packhorse responsible for maneuvering a mountain of gear from the parking lot to the perfect spot on the sand. What you need is a high-quality beach wagon. Also known as a festival or shopping wagon (or trolley), these collapsible, all-terrain carry-alls live in the trunk and make it possible to transport everything you need for a day at the shore or a weekend camping, in just one trip. They’re als

Topics: beach best sand terrain wagon

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Best Chemical Drain Cleaners of 2025: We Tested 8 to Find the Most Effective Against Your Toughest Clogs

cnet.com See Full Bio 2025-12-03 05:00:00

I leaned on my background as a chemical engineer to offer insights on the effectiveness of these controversial chemicals. In my experiment, I tested eight of the most commonly available chemical drain cleaners: six alkaline and two acidic. I performed dissolution tests to evaluate how well each of them could dissolve drain blockages. I had one goal: to determine which products, if any, would work effectively against the most common clogging materials. 200 ml of Drano Max Gel Gianmarco Chumbe/CN

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Tesla shuts down in-house Dojo AI supercomputer project

engadget.com Unknown 2025-12-04 06:54:20

As first reported by Bloomberg , Tesla is disbanding the team behind Dojo , its in-house AI-training supercomputer, and reassigning remaining staff to other projects within the company. This marks a shift in the company's compute sourcing strategy for its AI-focused initiatives such as autonomous driving and the Optimus robot . Head of Dojo Peter Bannon is leaving Tesla, which is the latest departure after roughly 20 Dojo team members recently left to form DensityAI . In a response to the Bloom

Topics: ai6 company dojo tesla training

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Amtrak NextGen Acela Debuts on August 28

news.ycombinator.com Beth Toll 2025-12-04 20:30:23

A new era of high-speed rail to begin between Boston and Washington, DC WASHINGTON – All aboard the future of East Coast travel! Starting Thursday, Aug. 28, customers can travel on Amtrak’s NextGen Acela – America’s high-speed train – connecting the Northeast Corridor between Washington, D.C., New York City, and Boston. 🛤️ This historic launch introduces: More trains : 28 brand-new trains entering service through 2027 : 28 brand-new trains entering service through 2027 More seats : 27% more

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Achieving 10,000x training data reduction with high-fidelity labels

news.ycombinator.com Unknown 2025-12-05 09:11:20

Classifying unsafe ad content has proven an enticing problem space for leveraging large language models (LLMs). The inherent complexity involved in identifying policy-violating content demands solutions capable of deep contextual and cultural understanding, areas of relative strength for LLMs over traditional machine learning systems. But fine-tuning LLMs for such complex tasks requires high-fidelity training data that is difficult and expensive to curate at the necessary quality and scale. Stan

Topics: content data llms model training

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Lithium compound can reverse Alzheimer’s in mice: study

news.ycombinator.com Stephanie Dutchen 2025-12-06 12:56:05

“The idea that lithium deficiency could be a cause of Alzheimer’s disease is new and suggests a different therapeutic approach,” said senior author Bruce Yankner, professor of genetics and neurology in the Blavatnik Institute at HMS, who in the 1990s was the first to demonstrate that amyloid beta is toxic. The study raises hopes that researchers could one day use lithium to treat the disease in its entirety rather than focusing on a single facet such as amyloid beta or tau, he said. One of the

Topics: alzheimer brain disease lithium yankner

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Lithium Reverses Alzheimer's in Mice

news.ycombinator.com Stephanie Dutchen 2025-12-06 18:56:05

“The idea that lithium deficiency could be a cause of Alzheimer’s disease is new and suggests a different therapeutic approach,” said senior author Bruce Yankner, professor of genetics and neurology in the Blavatnik Institute at HMS, who in the 1990s was the first to demonstrate that amyloid beta is toxic. The study raises hopes that researchers could one day use lithium to treat the disease in its entirety rather than focusing on a single facet such as amyloid beta or tau, he said. One of the

Topics: alzheimer brain disease lithium yankner

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Our Brains Contain Lithium—and Its Loss Might Help Drive Alzheimer’s, Study Finds

gizmodo.com Ed Cara 2025-12-08 02:00:00

Alzheimer’s disease is one of the cruelest conditions a person can develop. And even with recent advances, there’s only so much that can be done once its symptoms emerge. Research out this week might highlight a critical and previously missed factor driving the disease, one that could even lead to new treatments. Scientists at Harvard Medical School led the study, published Wednesday in Nature. By studying human brain samples and mice, they found evidence that our brains naturally contain the e

Topics: alzheimer brain levels lithium mice

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New ‘persona vectors’ from Anthropic let you decode and direct an LLM’s personality

venturebeat.com Ben Dickson 2025-12-08 11:11:20

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 A new study from the Anthropic Fellows Program reveals a technique to identify, monitor and control character traits in large language models (LLMs). The findings show that models can develop undesirable personalities (e.g., becoming malicious, excessively agreeable, or prone to making things up) either in response to user prompts or as an

Topics: ai model persona training vectors

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Universal Adds ‘No AI Training’ Warning to Movies

gizmodo.com Aj Dellinger 2025-12-08 16:40:39

AI is not invited to movie night. According to The Hollywood Reporter, Universal Pictures has started including a message in the credits of its films that indicates the movie “may not be used to train AI” in part of an ongoing effort by major intellectual property holders to keep their content from getting fed into the machines (at least without being paid for it). The warning, which reportedly first appeared at the end of the live-action How to Train Your Dragon when it hit theaters in June, h

Topics: ai companies openai train used

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These Democrats Think the Party Needs AI to Win Elections

wired.com Makena Kelly 2025-12-10 02:52:56

The 2024 election cycle saw artificial intelligence deployed by political campaigns for the very first time. While candidates largely avoided major mishaps, the tech was used with little guidance or restraint. Now, the National Democratic Training Committee (NDTC) is rolling out the first official playbook making the case that Democratic campaigns can use AI responsibly ahead of the midterms. In a new online training, the committee has laid out a plan for Democratic candidates to leverage AI to

Topics: ai campaigns candidates training use

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Germany's identity crisis: The trains no longer run on time

news.ycombinator.com Aaron Wiener 2025-12-11 16:32:58

BERLIN — Germany: the land of beer, sausage and trains that run on time. Actually, make that the land where 56 percent of trains run on time. More precisely (or imprecisely, depending on how much of a rush you are in), the land where 56 percent of trains arrive within six minutes of the scheduled time — which is the cushion Deutsche Bahn, the national railroad company, allows itself for an “on-time” arrival. In Germany, punctuality is part of the national ethos. So to hear Germans talk about it

Topics: advertisement germany said train trains

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Apple’s new brain-controlled iPhone, iPad tech revealed in video

9to5mac.com Ryan Christoffel 2025-12-15 16:16:33

Earlier this year Apple shared early details of its forthcoming plans to support brain-controlled technology for iPhone, iPad, and more. Now, a new video has been published showing the first live demonstration of the tech. New video shows iPad user controlling device with his thoughts Apple has long been at the forefront of prioritizing accessibility across its various devices. And the latest initiative on that front is especially cutting edge. As was first detailed this spring, iOS 26, iPadO

Topics: apple brain ipad synchron video

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Scientists shine a laser through a human head

news.ycombinator.com Velvet Wu 2025-12-15 15:07:18

For the most part, anyone who wants to see what’s going on inside someone else’s brain has to make a tradeoff when it comes to which tools to use. The electroencephalograph (EEG) is cheap and portable, but can’t read much past the outer layers of the brain, while the alternative, functional magnetic resonance imaging (fMRI), is expensive and the size of a room, but can go deeper. Now, a research group in Glasgow has come up with a mechanism that could one day provide the depth of fMRI using equi

Topics: brain head light photons radford

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Scientists Shine a Laser Through a Human Head

news.ycombinator.com Velvet Wu 2025-12-15 21:07:18

For the most part, anyone who wants to see what’s going on inside someone else’s brain has to make a tradeoff when it comes to which tools to use. The electroencephalograph (EEG) is cheap and portable, but can’t read much past the outer layers of the brain, while the alternative, functional magnetic resonance imaging (fMRI), is expensive and the size of a room, but can go deeper. Now, a research group in Glasgow has come up with a mechanism that could one day provide the depth of fMRI using equi

Topics: brain head light photons radford

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The Subway Game (1980)

news.ycombinator.com Unknown 2025-12-11 10:02:19

The Subway Game Copyright © 1980, Peter R. Samson (to home page) The Subway Game was a diversion that developed out of the frequent visits to New York by myself and various friends at M.I.T. In its basic form it requires two participants: an innocent victim, called the Contestant; and a more knowledgeable companion, called the Monitor. With some allowances, the game can be viewed as a simulation of the following scenario. A stranger to New York is going to visit some friends there. He gets a

Topics: contestant new station subway train

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Persona vectors: Monitoring and controlling character traits in language models

news.ycombinator.com Unknown 2025-12-16 02:38:06

Language models are strange beasts. In many ways they appear to have human-like “personalities” and “moods,” but these traits are highly fluid and liable to change unexpectedly. Sometimes these changes are dramatic. In 2023, Microsoft's Bing chatbot famously adopted an alter-ego called "Sydney,” which declared love for users and made threats of blackmail. More recently, xAI’s Grok chatbot would for a brief period sometimes identify as “MechaHitler” and make antisemitic comments. Other personali

Topics: model persona training trait vectors

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The Best Foods to Put On Your Plate if You Have a Headache

cnet.com See Full Bio 2025-12-16 02:03:03

If taking an aspirin or simply lying down isn't cutting it when you have a headache, you may want to consider what's on your plate for relief. While no food will cure headaches or migraines, certain foods may help -- in addition to 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 Ph

Topics: foods ginger magnesium migraine migraines

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Scientists Find Evidence That Memories in Brain Are Physically Moving Around

futurism.com Unknown 2025-12-15 21:30:12

Image by Getty / Futurism Neuroscience/Brain Science Anyone who makes a habit of losing their keys has a new excuse: you didn't forget — your memory just moved. That's courtesy of neuroscientists at Northwestern University, who recently published a study looking into the brain patterns of mice. The new research explores how the hippocampus — a crucial part of the brain for spatial memory — changes over time. The paper sheds new light on a phenomenon first uncovered in 2013, when a study in th

Topics: brain drift mice mouse study

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The Best Smart Home Gyms, as Recommended by a Fitness Expert

cnet.com See Full Bio 2025-12-15 22:00:00

The Tempo Studio is a smart home gym that resembles an armoire, meant to blend in with your home. It's an ideal smart home gym to own whether you're new or experienced with strength training. The Tempo Studio's basic package comes well-equipped with two dumbbell bars, weight collars and five sets of weight plates from 1.25 to 25 pounds. You have the option to upgrade your package to the Tempo Studio Plus or Tempo Studio Pro, which includes additional weights and accessories like a bench and a ba

Topics: equipment home studio tempo training

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iOS 26’s new Battery feature can help save a draining iPhone

9to5mac.com Ryan Christoffel 2025-12-17 21:39:06

Apple has some big changes coming to the Battery screen inside iOS 26’s Settings app, including a feature that can help prevent excessive iPhone drains. iOS 26 Battery settings has intelligent suggestions for excess drain Have you ever experienced a mystery iPhone battery drain? A day when your iPhone usage is more or less normal, but for some reason your battery’s draining at an accelerated rate? Force-quitting a bunch of apps might be your solution. Or perhaps visiting the Battery screen in

Topics: 26 battery drain ios usage

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How long before superintelligence? (1997)

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

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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Latest Tech News

Faster NextGen Acela Trains Are Coming to the U.S. at the Worst Time

OpenAI and Sam Altman are reportedly creating a startup rival to Elon Musk's Neuralink

Sam Altman’s new startup wants to merge machines and humans

Is Chain-of-Thought Reasoning of LLMs a Mirage? A Data Distribution Lens

LLMs' "simulated reasoning" abilities are a brittle mirage

What does it mean to be thirsty?

LLMs’ “simulated reasoning” abilities are a “brittle mirage,” researchers find

An AI Model for the Brain Is Coming to the ICU

Sand and Deliver: We Raced Across Dunes to Find the Best Beach Wagon

Best Chemical Drain Cleaners of 2025: We Tested 8 to Find the Most Effective Against Your Toughest Clogs

Tesla shuts down in-house Dojo AI supercomputer project

Amtrak NextGen Acela Debuts on August 28

Achieving 10,000x training data reduction with high-fidelity labels

Lithium compound can reverse Alzheimer’s in mice: study

Lithium Reverses Alzheimer's in Mice

Our Brains Contain Lithium—and Its Loss Might Help Drive Alzheimer’s, Study Finds

New ‘persona vectors’ from Anthropic let you decode and direct an LLM’s personality

Universal Adds ‘No AI Training’ Warning to Movies

These Democrats Think the Party Needs AI to Win Elections

Germany's identity crisis: The trains no longer run on time

Apple’s new brain-controlled iPhone, iPad tech revealed in video

Scientists shine a laser through a human head

Scientists Shine a Laser Through a Human Head

The Subway Game (1980)

Persona vectors: Monitoring and controlling character traits in language models

The Best Foods to Put On Your Plate if You Have a Headache

Scientists Find Evidence That Memories in Brain Are Physically Moving Around

The Best Smart Home Gyms, as Recommended by a Fitness Expert

iOS 26’s new Battery feature can help save a draining iPhone

How long before superintelligence? (1997)

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