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Tracking Trust with Rust in the Kernel

news.ycombinator.com Unknown 2025-09-15 10:54:11

Tracking trust with Rust in the kernel Did you know...? LWN.net is a subscriber-supported publication; we rely on subscribers to keep the entire operation going. Please help out by buying a subscription and keeping LWN on the net. The Linux kernel has to handle many different sources of data that should not be trusted: user space, network connections, and removable storage, to name a few. The kernel has to remain secure even if one of these sends garbled (or malicious) data. Benno Lossin has b

Topics: data lossin space untrusted user

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Ukraine Destroys Legendary Soviet-Era Telescope Once Used to Phone Aliens

gizmodo.com Passant Rabie 2025-09-19 12:00:22

Ukrainian defense forces destroyed a giant radio telescope in Crimea, a powerful planetary transmitter once used to support deep space missions and METI—the attempt to message extraterrestrial civilizations. Ukraine destroyed Yevpatoria RT-70 in a drone attack to prevent Russia from using it for military communication purposes, Space.com reported. Russian defense forces reportedly carried out recent upgrades to the telescope to support attacks on Ukrainian territory, but the 230-foot (70-meter)

Topics: 70 rt space telescope used

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Northrop Grumman successfully resupplies ISS after overcoming software glitch

arstechnica.com Unknown 2025-09-20 00:38:54

Running a day late, Northrop Grumman's Cygnus XL cargo freighter pulled alongside the International Space Station on Thursday, delivering more than 5 tons of supplies and experiments to the lab's seven-person crew. NASA astronaut Jonny Kim took control of the space station's robotic arm to capture the Cygnus spacecraft at 7:24 am EDT (11:24 UTC) on Thursday. A short time later, the robot arm positioned the spacecraft over an attachment port on the station's Unity module, and 16 bolts drove clos

Topics: cygnus space spacecraft station time

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Zoning out in meetings? Google Meet's new feature can catch you up in real time

zdnet.com Jada Jones 2025-09-20 08:44:28

Elyse Betters Picaro / ZDNET Follow ZDNET: Add us as a preferred source on Google. ZDNET's key takeaways Ask Gemini is now available for some Google Meet users. It offers meeting notes, key takeaways, and live summaries. The AI assistant protects user privacy and has some limitations. Your Google Meet meetings are about to get more helpful, thanks to additional Gemini features built into the platform. According to Google, new Ask Gemini features include real-time summaries of what someone

Topics: ask gemini google meeting workspace

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NASA Mission to Map Sun’s Protective Bubble Could Help Better Predict Dangerous Space Weather

gizmodo.com Passant Rabie 2025-09-20 12:38:43

The Sun is an energetic star, constantly radiating energy and pumping streams of charged particles out into space. And while this solar wind can be dangerous in itself, without it, Earth and all the other members of our planetary system would be at constant risk of threats from outer space. Our host star creates a protective bubble called the heliosphere that extends far beyond the orbit of Neptune, shielding the planets from the interstellar medium. Yet though we may owe our existence to this b

Topics: heliosphere imap particles solar space

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New Report Finds That China's Space Program Is Rapidly Outstripping NASA

futurism.com Unknown 2025-09-20 19:05:54

While the sitting US government strips NASA of its expert leadership and funding, it seems China is more than happy to take up the mantle. A new report from the Commercial Space Federation, a lobbying group fighting for the interests of the privatized space industry, found that China's space program is experiencing a meteoric rise, and will soon pose a significant challenge to the US' dominant position in space. Posed as a "risk assessment" of the pressure Chinese competition puts on "American

Topics: china commercial nasa report space

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Police Puzzled by 180 Kilos of SpaceX-Branded Cocaine Found at Crash Site

futurism.com Unknown 2025-09-19 15:06:18

A single-engine plane crashed landed in a field of sugar cane in Brazil over the weekend, according to local news media Alagoas 24 Horas, killing the pilot and leaving behind 180 kilograms — or almost 400 pounds — of cocaine. So far, it just sounds like a tale of drug smuggling gone awry. Except that the coke, stacked together in neat bricks and wrapped in plastic, as shown in a video from local police obtained by Alagoas, sported a distinctive label: the official SpaceX logo, in blue and white

Topics: alagoas drug logo plane spacex

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Jumbo Cargo Spacecraft Stumbles on Its Inaugural Trip to the ISS

gizmodo.com Passant Rabie 2025-09-22 15:40:16

Northrop Grumman’s upgraded Cygnus XL vehicle experienced an engine issue on Tuesday, delaying its arrival to the International Space Station until further notice. This is the first flight of the larger version of the company’s solar-powered spacecraft, which is carrying 11,000 pounds of science investigations, food, supplies, and equipment to the space station’s crew. The cargo ship launched on Sunday at 6:11 p.m. ET on board a SpaceX Falcon 9 rocket from Cape Canaveral Space Force Station in

Topics: cargo cygnus iss space spacecraft

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Experimental Spacecraft Headed to Space Station Suddenly Shuts Down

futurism.com Unknown 2025-09-22 19:12:32

Lost in space. A whopping 11,000 pounds of supplies and scientific instruments that were headed to the International Space Station are in limbo after a high-profile malfunction. Northrop Grumman's Cygnus XL spacecraft encountered a serious problem with its main engine during its maiden voyage, NASA announced on Tuesday. The spacecraft, which is just over five feet longer than the aerospace giant's Cygnus spacecraft, launched from the Cape Canaveral Space Force Station in Florida on Sunday eve

Topics: cargo cygnus space spacecraft station

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Biggest Cygnus Cargo Ship Delayed on Its Way to the ISS Due to Engine Shutdown

gizmodo.com Passant Rabie 2025-09-22 20:40:16

Northrop Grumman’s upgraded Cygnus XL vehicle experienced an engine issue on Tuesday, delaying its arrival to the International Space Station until further notice. This is the first flight of the larger version of the company’s solar-powered spacecraft, which is carrying 11,000 pounds of science investigations, food, supplies, and equipment to the space station’s crew. The cargo ship launched on Sunday at 6:11 p.m. ET on board a SpaceX Falcon 9 rocket from Cape Canaveral Space Force Station in

Topics: cargo cygnus iss space spacecraft

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Icarus raises $6.1M to take on space’s “warehouse work” with embodied-AI robots

techcrunch.com Aria Alamalhodaei 2025-09-23 04:00:00

Icarus Robotics cofounders Ethan Barajas and Jamie Palmer spent hours interviewing astronauts about what it was like working in space as they homed in on their startup idea. Their big takeaway: the work was often more cargo logistics than cutting-edge science. “We’re Amazon warehouse workers with PhDs,” one astronaut said. If an experiment takes two hours on station, the person continued, the first ninety minutes are spent just moving around cargo and preparing tools. It’s a dismal waste of to

Topics: cargo icarus just said space

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A record supply load won’t reach the International Space Station as scheduled

arstechnica.com Unknown 2025-09-23 20:13:28

A problem with the main engine on Northrop Grumman's Cygnus XL spacecraft will keep it from delivering 11,000 pounds of supplies and experiments to the International Space Station as scheduled on Wednesday. In a statement released Tuesday afternoon, NASA said ground teams are evaluating backup plans that might still allow the Cygnus spacecraft to reach the space station, just not on schedule. The problem arose early Tuesday when the spacecraft's main engine shut down earlier than expected durin

Topics: cygnus nasa space spacecraft station

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Same-day delivery comes to space, as Impulse promises satellite transport in hours, not months

techcrunch.com Aria Alamalhodaei 2025-09-24 08:07:15

Amazon made same-day delivery the benchmark on Earth. Impulse Space is pitching a similar concept for satellites bound for geostationary orbit about 22,000 miles above Earth, compressing what is typically a months-long transit into a matter of hours. In the span of a week, the in-space propulsion startup announced a trio of deals aiming to unlock geostationary orbit (GEO) for commercial and defense users. That includes a demonstration mission with defense contractor Anduril planned for 2026; a

Topics: geo impulse mission satellites space

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Don't Miss This Claustrophobic Sci-Fi Nightmare Streaming Free on Tubi

cnet.com See Full Bio 2025-09-24 16:00:04

There's something about sci-fi horror that hits all the buttons for me. Derelict spaceships the size of cities, creatures engineered by science or nature to be perfect predators and the claustrophobia of space all manage to get me excited every time. The Alien franchise made me fall in love with this sub-genre, along with gems like Dark City and Event Horizon. One of my lesser-known favorites is Pandorum. Released in 2009, it's a claustrophobic trip into space where a mechanic wakes up on a col

Topics: bower pandorum payton ship space

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A new report finds China’s space program will soon equal that of the US

arstechnica.com Unknown 2025-09-25 00:22:38

As Jonathan Roll neared completion of a master's degree in science and technology policy at Arizona State University three years ago, he did some research into recent developments by China's ascendant space program. He came away impressed by the country's growing ambitions. Now a full-time research analyst at the university, Roll was recently asked to take a deeper dive into Chinese space plans. "I thought I had a pretty good read on this when I was finishing grad school," Roll told Ars. "That

Topics: china commercial pretty roll space

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60 years after Gemini, newly processed images reveal details

news.ycombinator.com Unknown 2025-09-23 02:43:54

Six decades have now passed since some of the most iconic Project Gemini spaceflights. The 60th anniversary of Gemini 4, when Ed White conducted the first US spacewalk, came in June. The next mission, Gemini 5, ended just two weeks ago, in 1965. These missions are now forgotten by most Americans, as most of the people alive during that time are now deceased. However, during these early years of spaceflight, NASA engineers and astronauts cut their teeth on a variety of spaceflight firsts, flying

Topics: book gemini human missions spaceflight

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Northrop Grumman’s new spacecraft is a real chonker

arstechnica.com Unknown 2025-09-26 08:22:53

What happens when you use a SpaceX Falcon 9 rocket to launch Northrop Grumman's Cygnus supply ship? A record-setting resupply mission to the International Space Station. The first flight of Northrop's upgraded Cygnus spacecraft, called Cygnus XL, is on its way to the international research lab after launching Sunday evening from Cape Canaveral Space Force Station, Florida. This mission, known as NG-23, is set to arrive at the ISS early Wednesday with 10,827 pounds (4,911 kilograms) of cargo to

Topics: cargo cygnus space spacecraft xl

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Nudists and Surfers Protest SpaceX’s Plans to Launch Starship From Florida

gizmodo.com Passant Rabie 2025-09-26 11:35:54

SpaceX isn’t very popular among beachgoers in Florida at the moment. The rocket company applied for a permit to launch its Starship rocket from NASA’s Kennedy Space Center in Florida, which threatens to restrict beach access for surfers and casual nudists. The Federal Aviation Administration (FAA) recently hosted a series of public meetings where residents of the area got to weigh in on its upcoming decision to allow Starship to lift off from Cape Canaveral in Florida. During the meeting, membe

Topics: beach florida playalinda space starship

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Data Centers Are Crushing the Planet. Can Space Save Us?

gizmodo.com Sophie Hurwitz 2025-09-26 17:30:04

The companies frantically building and leasing data centers are well aware that they’re straining grids, driving emissions, and guzzling water. The electricity demand of AI data centers in particular could increase as much as 165% by 2030. Over half of the energy powering these sprawling facilities comes from fossil fuels, threatening to reverse progress toward addressing the climate crisis. Some of the biggest names in artificial intelligence say they have a solution: Just stick these colossal

Topics: centers data like said space

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Language models pack billions of concepts into 12k dimensions

news.ycombinator.com Unknown 2025-09-26 14:54:20

In a recent 3Blue1Brown video series on transformer models, Grant Sanderson posed a fascinating question: How can a relatively modest embedding space of 12,288 dimensions (GPT-3) accommodate millions of distinct real-world concepts? The answer lies at the intersection of high-dimensional geometry and a remarkable mathematical result known as the Johnson-Lindenstrauss lemma. While exploring this question, I discovered something unexpected that led to an interesting collaboration with Grant and a

Topics: dimensional embedding high space vectors

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Russia Tests Hypersonic Missile at NATO’s Doorstep—and Shares the Video

wired.com Javier Carbajal 2025-09-27 04:49:20

On Sunday, Russia released images of its launch of a 3M22 Zircon hypersonic missile from a frigate in the Barents Sea, in the Arctic Ocean, near NATO borders. The launch comes against a backdrop of rising tensions with the West, just days after several Russian drones violated the airspace of North Atlantic Treaty Organization member countries Poland and Romania. The Zircon test is part of the Zapad 2025 joint maneuvers with Belarus, a week of military exercises aimed at assessing defensive and

Topics: airspace nato russia russian zircon

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CubeSats are fascinating learning tools for space

news.ycombinator.com Unknown 2025-09-27 16:02:02

These are CubeSats. Satellites that are going to space—or at least, the ones I have here are prototypes. But these have one thing in common: they're all powered by either a Raspberry Pi, or a microcontroller. There are already Pis in space, like on Mark Rober's SatGus, on GASPACS, and the Astro Pis on the Space station. Another Pi is going up this weekend, which is why I'm posting this today. I'll get to that one, but I wanted to spend some time talking about two things that fascinate me: Raspb

Topics: build cubesat cubesats like space

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NASA closing its original repository for Columbia artifacts to tours

arstechnica.com Unknown 2025-09-27 16:26:27

NASA is changing the way that its employees come in contact with, and remember, one of its worst tragedies. In the wake of the 2003 loss of the space shuttle Columbia and its STS-107 crew, NASA created a program to use the orbiter's debris for research and education at Kennedy Space Center in Florida. Agency employees were invited to see what remained of the space shuttle as a powerful reminder as to why they had to be diligent in their work. Access to the Columbia Research and Preservation Off

Topics: columbia employees kennedy nasa space

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Language Models Pack Billions of Concepts into 12k Dimensions

news.ycombinator.com Unknown 2025-09-28 01:54:20

In a recent 3Blue1Brown video series on transformer models, Grant Sanderson posed a fascinating question: How can a relatively modest embedding space of 12,288 dimensions (GPT-3) accommodate millions of distinct real-world concepts? The answer lies at the intersection of high-dimensional geometry and a remarkable mathematical result known as the Johnson-Lindenstrauss lemma. While exploring this question, I discovered something unexpected that led to an interesting collaboration with Grant and a

Topics: dimensional embedding high space vectors

Shop Amazon

Language Models Pack Billions of Concepts into 12,000 Dimensions

news.ycombinator.com Unknown 2025-09-28 06:54:20

In a recent 3Blue1Brown video series on transformer models, Grant Sanderson posed a fascinating question: How can a relatively modest embedding space of 12,288 dimensions (GPT-3) accommodate millions of distinct real-world concepts? The answer lies at the intersection of high-dimensional geometry and a remarkable mathematical result known as the Johnson-Lindenstrauss lemma. While exploring this question, I discovered something unexpected that led to an interesting collaboration with Grant and a

Topics: dimensional embedding high space vectors

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Woman Sends Money to "Stranded Astronaut" So He Can "Buy Oxygen"

futurism.com Unknown 2025-09-27 20:45:45

"In space on a spaceship right now." The sky's the limit for how outrageously implausible some scams can get. Actually, try beyond the atmosphere. An elderly woman in Japan sent thousands of dollars to a trickster who claimed to be an astronaut trapped in space and in danger of suffocating, Agence France-Presse reports. In fairness to the lady, though, she thought they were in love. The 80-year-old pensioner, who lives in Sapporo, the capital of Japan's northern island Hokkaido, met the scamm

Topics: ai astronaut money scammer space

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60 years after Gemini, newly processed images reveal incredible details

arstechnica.com Unknown 2025-09-27 20:15:47

Six decades have now passed since some of the most iconic Project Gemini spaceflights. The 60th anniversary of Gemini 4, when Ed White conducted the first US spacewalk, came in June. The next mission, Gemini 5, ended just two weeks ago, in 1965. These missions are now forgotten by most Americans, as most of the people alive during that time are now deceased. However, during these early years of spaceflight, NASA engineers and astronauts cut their teeth on a variety of spaceflight firsts, flying

Topics: book gemini human missions spaceflight

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When Astronauts Enter Space, a "Dark Genome" Activates in Their DNA

futurism.com Unknown 2025-09-28 10:47:51

Image by Getty / NASA / Futurism Studies Researchers have found that human stem cells are constantly under stress in the microgravity of space — activating hidden, ancient sections of DNA called the "dark genome." In a study published in the journal Cell Stem Cell last week, a team of researchers led by Sanford Stem Cell Institute director Catriona Jamieson used a cellphone-sized device on board the International Space Station to watch how stem cells behave in space for the first time. They f

Topics: astronauts cells jamieson space stem

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SpaceX Targets 2026 to Test Orbital Flight for Next-Gen Starship Vehicle

wired.com Stephen Clark 2025-10-02 00:30:00

It has been two weeks since SpaceX’s last Starship test flight, and engineers have diagnosed issues with its heat shield, identified improvements, and developed a preliminary plan for the next time the ship heads into space. Bill Gerstenmaier, a SpaceX executive in charge of build and flight reliability, presented the findings Monday at the American Astronautical Society’s Glenn Space Technology Symposium in Cleveland. The rocket lifted off on August 26 from SpaceX’s launch pad in Starbase, Te

Topics: flight spacex starship test tiles

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Pentagon begins deploying new satellite network to link sensors with shooters

arstechnica.com Unknown 2025-10-02 18:01:11

The first 21 satellites in a constellation that could become a cornerstone for the Pentagon's Golden Dome missile defense shield successfully launched from California Wednesday aboard a SpaceX Falcon 9 rocket. The Falcon 9 took off from Vandenberg Space Force Base, California, at 7:12 am PDT (10:12 am EDT; 14:12 UTC) and headed south over the Pacific Ocean, heading for an orbit over the poles before releasing the 21 military-owned satellites to begin several weeks of activations and checkouts.

Topics: 21 force missile satellites space

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Latest Tech News

Tracking Trust with Rust in the Kernel

Ukraine Destroys Legendary Soviet-Era Telescope Once Used to Phone Aliens

Northrop Grumman successfully resupplies ISS after overcoming software glitch

Zoning out in meetings? Google Meet's new feature can catch you up in real time

NASA Mission to Map Sun’s Protective Bubble Could Help Better Predict Dangerous Space Weather

New Report Finds That China's Space Program Is Rapidly Outstripping NASA

Police Puzzled by 180 Kilos of SpaceX-Branded Cocaine Found at Crash Site

Jumbo Cargo Spacecraft Stumbles on Its Inaugural Trip to the ISS

Experimental Spacecraft Headed to Space Station Suddenly Shuts Down

Biggest Cygnus Cargo Ship Delayed on Its Way to the ISS Due to Engine Shutdown

Icarus raises $6.1M to take on space’s “warehouse work” with embodied-AI robots

A record supply load won’t reach the International Space Station as scheduled

Same-day delivery comes to space, as Impulse promises satellite transport in hours, not months

Don't Miss This Claustrophobic Sci-Fi Nightmare Streaming Free on Tubi

A new report finds China’s space program will soon equal that of the US

60 years after Gemini, newly processed images reveal details

Northrop Grumman’s new spacecraft is a real chonker

Nudists and Surfers Protest SpaceX’s Plans to Launch Starship From Florida

Data Centers Are Crushing the Planet. Can Space Save Us?

Language models pack billions of concepts into 12k dimensions

Russia Tests Hypersonic Missile at NATO’s Doorstep—and Shares the Video

CubeSats are fascinating learning tools for space

NASA closing its original repository for Columbia artifacts to tours

Language Models Pack Billions of Concepts into 12k Dimensions

Language Models Pack Billions of Concepts into 12,000 Dimensions

Woman Sends Money to "Stranded Astronaut" So He Can "Buy Oxygen"

60 years after Gemini, newly processed images reveal incredible details

When Astronauts Enter Space, a "Dark Genome" Activates in Their DNA

SpaceX Targets 2026 to Test Orbital Flight for Next-Gen Starship Vehicle

Pentagon begins deploying new satellite network to link sensors with shooters

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