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An engineering history of the Manhattan Project

news.ycombinator.com Brian Potter 2025-10-05 02:04:49

The Manhattan Project, the US program to build an atomic bomb during WWII, is one of the most famous and widely known major government projects: a survey in 1999 ranked the dropping of the atomic bomb as the top news story of the 20th century. Virtually everyone knows that the project built the bombs that were dropped on Hiroshima and Nagasaki. And most of us probably know that the bomb was built by some of the world’s best physicists, working under Robert Oppenheimer at Los Alamos in New Mexico

Topics: bomb material plant plutonium uranium

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New black hole merger bolsters Hawking area theorem

arstechnica.com Unknown 2025-10-05 07:41:19

Back in 1971, the late physicist Stephen Hawking made an intriguing prediction: The total surface area of a black hole cannot decrease, only increase or remain stable. So if two black holes combine, the newly formed black hole will have a larger surface area. This became known as Hawking's area theorem. Analysis of the gravitational signal from a black hole merger detected in January provides the best observational evidence to date in support of Hawking's theorem, according to a new paper publis

Topics: black gravitational hole ligo waves

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NASA found clues of life on Mars, but budget cuts threaten future missions

theverge.com Georgina Torbet 2025-10-05 07:47:01

An exciting discovery on Mars is being overshadowed by turmoil at NASA, with budget cuts threatening to destroy a scientific legacy that has been built over decades. Yesterday, the agency shared a finding, published in Nature, of potential biosignatures identified by the Mars Perseverance rover in a 3.5 billion-year-old rock. “This very well could be the clearest sign of life that we’ve ever found on Mars,” said Transportation Secretary and Acting NASA Administrator Sean Duffy in a press confe

Topics: agency exploration mars nasa science

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The Apple Watch is so close to replacing my Oura Ring - it just needs this feature

zdnet.com Nina Raemont 2025-10-05 11:40:00

Nina Raemont/ZDNET Follow ZDNET: Add us as a preferred source on Google. ZDNET's key takeaways Apple unveiled Sleep Scores on the Apple Watch. The feature is available with WatchOS 26 and on the new smartwatches. There's one health tracking feature I wish Apple had announced. Last year, Gallup surveyed Americans about their sleep habits. For the first time since polling began in 2001, it found that a majority of Americans said they'd feel better if they got more sleep. They aren't happy

Topics: apple feature heart sleep tracking

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The rise of async AI programming

news.ycombinator.com Braintrust Team 2025-10-05 06:20:19

19 August 2025 Ankur Goyal I spend a decent amount of time reviewing code I didn't write. An AI agent takes a detailed problem description, writes code (primarily Typescript, Rust, and Python), adds tests, and commits the changes to a branch. I tap back in when everything's ready for review. This used to feel like a futuristic scenario, but it's how I work now, and it's how many developers are starting to work. The shift is subtle but powerful: instead of writing code line by line, we're learn

Topics: code problem programming review work

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GrapheneOS and Forensic Extraction of Data (2024)

news.ycombinator.com Unknown 2025-10-05 06:46:27

Matthai Hi, I am writing an article and I am sharing a draft with you. I will be glad if you share your thoughts and suggestions with me. GrapheneOS is an Android-based, open source, privacy and security-focused mobile operating system for mobile phones. It is one of the most secure and privacy protecting operating systems (and yes, it does this task comparable and in some scenarios even better than iOS, but we will come to that later). However, in the beginning of May, someone started an at

Topics: data device grapheneos phone unlock

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‘Black Phone 2’ Star Says Sequel Evokes ‘A Nightmare on Elm Street’

gizmodo.com Cheryl Eddy 2025-10-05 11:30:48

When horror fans first heard a sequel to The Black Phone was coming, there was excitement—but also confusion. Didn’t the Grabber, the diabolical child killer, die at the end of the 2021 movie, enabling his would-be final victim to escape? Of course he did! But with the existence of ghosts already established thanks to the Grabber’s haunted basement phone, there’s a ready-made avenue for the villain to return in Black Phone 2. And according to Mason Thames, who plays the very lucky Finney, the Gr

Topics: black finney grabber phone thames

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Save Big on Our Favorite Outdoor Security Cam

wired.com Brad Bourque 2025-10-05 11:39:46

Looking to secure the perimeter of your back patio? Our favorite outdoor security camera, the Arlo Pro 5 (9/10, WIRED Recommends) is currently marked down almost half off. Amazon has the single camera marked down from $180 to $100, and a two camera kit marked down to $130 for even better savings. The video quality is surprisingly good for an outdoor security camera, with a 1440p output resolution, which is bolstered by a new and improved 12-bit sensor. The result is great coverage in both dark

Topics: arlo camera features good outdoor

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Tonverk is Elektron’s new polyphonic sample mangler and groovebox

theverge.com Terrence O'Brien 2025-10-05 15:36:45

Elektron has built a cult-like following over the years with its unique and, at times, esoteric take on electronic musical instruments. On paper, Tonverk is a seemingly over-powered sampler that continues that tradition. It’s the rare piece of hardware capable of creating multisampled instruments on its own. It turns a single sample track into a nesting doll of multiple samples. And it’s loaded with an absolutely absurd amount of routing and audio processing features. Tonverk is certainly capabl

Topics: elektron samples single tonverk track

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Opendoor taps new CEO and names Keith Rabois chairman, boosting stock 36%

cnbc.com Annie Palmer 2025-10-05 16:22:00

Keith Rabois of Khosla Ventures attends Day 3 of TechCrunch Disrupt SF 2013 at San Francisco Design Center on September 11, 2013 in San Francisco, California. Opendoor , the online real estate platform that's seen a surge of retail investor interest in recent months, said Wednesday that it's tapped former Shopify executive Kaz Nejatian as CEO and named co-founder Keith Rabois as chairman. The stock was up 36% Thursday in premarket trading, and is now up more than fifteenfold since hitting its

Topics: 2013 ceo keith opendoor rabois

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MotoE, the electric bike world championship, is going on hiatus due to lack of interest

engadget.com Unknown 2025-10-05 19:26:52

The International Motorcycling Federation (FIM) and MotoGP are putting the MotoE electric bike world championship on hiatus following the 2025 season. The organizations cite a lack of viewership and an electric performance motorcycle market that "has not developed as expected." "Today we announce the suspension of the FIM MotoE World Championship," FIM President Jorge Viegas said in a statement. "Despite all the best efforts to promote this innovative category together with (MotoGP rights holde

Topics: advertisement electric fim motoe races

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New VMScape attack breaks guest-host isolation on AMD, Intel CPUs

bleepingcomputer.com Unknown 2025-10-05 19:05:05

A new Spectre-like attack dubbed VMScape allows a malicious virtual machine (VM) to leak cryptographic keys from an unmodified QEMU hypervisor process running on modern AMD or Intel CPUs. The attack breaks the isolation between VMs and the cloud hypervisor, bypassing existing Spectre mitigations and threatening to leak sensitive data by leveraging speculative execution. The researchers highlight that VMScape does not require compromising the host and works on unmodified virtualization software

Topics: branch eth guest vmscape zurich

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France says Apple notified victims of new spyware attacks

techcrunch.com Zack Whittaker 2025-10-05 19:32:05

In Brief Apple has notified a number of individuals that their devices were targeted in a spyware campaign, according to the French government. France’s national cybersecurity response unit said on Thursday that it was aware that Apple on September 3 sent a new notification to affected customers whose Apple devices may have been hacked. The cybersecurity unit said receiving a threat notification means that at least one of the devices linked to a customer’s iCloud account “has been targeted an

Topics: apple devices france spyware targeted

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The iPhone 17 looks great, but I’d still choose the Pixel 10 over it

androidauthority.com Unknown 2025-10-05 18:30:44

Robert Triggs / Android Authority At first, I wasn’t sure how to feel about the iPhone 17. To me, all of the leaks pointed towards another year of the same old, same old. But then, Apple unveiled its base-level flagship, and it had some tricks up its sleeve. It gave the base iPhone 17 a 120Hz refresh rate, an updated chipset, and doubled its base storage — not to mention a 48MP ultrawide camera. And you know what? Those are all significant upgrades. They’ll make the iPhone 17 Apple’s best yet.

Topics: apple camera google iphone pixel

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Show HN: I built a minimal Forth-like stack interpreter library in C

news.ycombinator.com Unknown 2025-10-05 21:15:22

This weekend I created stacklib.h - a single-header library that brings Forth-style stack operations to C. It implements a basic interpreter with: - Stack operations (push/pop/dup/swap/over/drop) - Arithmetic (+, -, *, /) - Output (., emit, cr) - Stack inspection (.s, depth) Example usage: Stack s; stack_init(&s); dict_init(); exec(&s, "10 20 + ."); // Prints "30" exec(&s, "1 2 3 4 .s"); // Shows stack contents The library is self-contained, requires no dependencies, and handles basic error c

Topics: basic exec forth operations stack

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The Rise of Async Programming

news.ycombinator.com Braintrust Team 2025-10-05 21:20:19

19 August 2025 Ankur Goyal I spend a decent amount of time reviewing code I didn't write. An AI agent takes a detailed problem description, writes code (primarily Typescript, Rust, and Python), adds tests, and commits the changes to a branch. I tap back in when everything's ready for review. This used to feel like a futuristic scenario, but it's how I work now, and it's how many developers are starting to work. The shift is subtle but powerful: instead of writing code line by line, we're learn

Topics: code problem programming review work

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Apple’s Big Bet to Eliminate the iPhone’s Most Targeted Vulnerabilities

wired.com Lily Hay Newman 2025-10-05 22:59:23

Apple launched a slate of new iPhones on Tuesday loaded with the company's new A19 and A19 Pro chips. Along with an ultra-thin iPhone Air and other redesigns, the new phones come with a less flashy upgrade that could turn out to be the true killer feature. A security improvement called “Memory Integrity Enforcement” combines always-on chip-level protections with software defenses in an effort to harden iPhones against the most common—and commonly exploited—software vulnerabilities. In recent ye

Topics: apple memory safety software vulnerabilities

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Best Travel Cameras (2025), Tested and Reviewed

wired.com Scott Gilbertson 2025-10-05 23:00:00

If you want a camera that has a capable zoom, shoots excellent RAW images and great 4K/30 fps video, and manages to fit in most pockets, the Sony RX100 VII is your best bet. The Zeiss Vario-Sonnar T* 24-200-mm F2.8-4.5 zoom lens allows a huge range of shots from something that's pocketable—this alone makes it a great travel camera. The 1-inch sensor produces 20.1-MP images (RAW or JPG or both) and while f/2.8 isn't the fastest aperture, it's enough to handle shooting indoors in moderate light. T

Topics: camera cameras excellent ricoh travel

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Partnering with generative AI in the finance function

technologyreview.com Mit Technology Review Insights 2025-10-06 03:00:00

Generative AI is also showing promise in functions like treasury, with use cases including cash, revenue, and liquidity forecasting and management, as well as automating contracts and investment analysis. However, challenges still remain for generative AI to contribute to forecasting due to the mathematical limitations of LLMs. Regardless, Deloitte’s analysis of its 2024 State of Generative AI in the Enterprise survey found that one-fifth (19%) of finance organizations have already adopted gener

Topics: ai finance generative human technology

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Forget the new AirPods Pro 3, I’d stick with your smartwatch for heart rate tracking

androidauthority.com Unknown 2025-10-06 03:00:09

Kaitlyn Cimino / Android Authority Apple’s newest AirPods Pro 3 arrive with sleek design upgrades and plenty of hype. What caught my attention, though, was a pair of earbuds creeping into fitness tracking territory. This isn’t the first attempt. We’ve seen brands shove heart rate sensors into shoppers’ ears before, and by all means, shoot your shot. Sure, I’d be fairly weirded out if someone took my pulse in my earlobe, but earbuds with built-in sensors sound futuristic, and frankly, convenient

Topics: apple data heart rate tracking

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One year of Paramount+ is on sale for as low as $30 right now

engadget.com Unknown 2025-10-06 03:31:26

Sometimes, rising prices for streaming services feels as inevitable as death and taxes. So when a serious discount is available, we tend to sit up and take notice. For a few weeks, you can get a whopping half off an annual subscription to Paramount+. A year of the Paramount+ Essential plan, which is ad-supported, will cost $30 compared to the usual $60. Paramount+ Premium, which is ad-free except for live tv programming, will cost $60 for a year instead of $120. This is a substantial deal that

Topics: cost paramount star trek year

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An Engineering History of the Manhattan Project

news.ycombinator.com Brian Potter 2025-10-06 03:04:49

The Manhattan Project, the US program to build an atomic bomb during WWII, is one of the most famous and widely known major government projects: a survey in 1999 ranked the dropping of the atomic bomb as the top news story of the 20th century. Virtually everyone knows that the project built the bombs that were dropped on Hiroshima and Nagasaki. And most of us probably know that the bomb was built by some of the world’s best physicists, working under Robert Oppenheimer at Los Alamos in New Mexico

Topics: bomb material plant plutonium uranium

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Streaming Can’t Replace Your PC, but Nvidia’s Updated GeForce Now Comes Close

gizmodo.com Kyle Barr 2025-10-06 03:47:36

No, you shouldn't use it for multiplayer, but I still find myself gravitating to GeForce Now more than ever. The best compliment I could ever lay at the feet of any game streaming service is that I can forget I was even using it. Nvidia’s GeForce Now service, which lets players run their own game library through the cloud, is better than ever with its most recent update. As a bonus, Nvidia’s $20-per-month “Ultimate” subscription doesn’t cost any more than it did previously, unlike TV streaming’

Topics: frame games geforce nvidia streaming

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Replace Processed Sugars With These 6 Natural Sugar Options Instead

cnet.com See Full Bio 2025-10-06 02:00:00

Sweet treats can make excellent mid-day pick-me-ups or after-dinner desserts, but they can also add a lot of sugar to your daily diet. If you're trying to eat healthier, there's no need to cut sugar out of your diet completely or ignore your sweet tooth. The important thing is to be conscious of the types of sugar you're consuming daily and whether you're eating a balanced amount. The daily recommendation is 6 teaspoons of sugar for women and kids over the age of 2, or 9 teaspoons for men. As f

Topics: fruit natural sugar sugars syrup

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The Long Walk is a dystopian slog where brutality is the main point

theverge.com Charles Pulliam-Moore 2025-10-06 03:30:00

is a reporter focusing on film, TV, and pop culture. Before The Verge, he wrote about comic books, labor, race, and more at io9 and Gizmodo for almost five years. When Stephen King’s The Long Walk was first published in 1979, dystopian young adult fiction had not yet become a wildly popular genre. With all of its gore and brutality, King’s novel wasn’t really meant for children. But in the book’s story about disillusioned youths being made to march through wastelands as a form of mass entertain

Topics: garraty like long movie walk

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How Bill Gates’s fellowship program is adapting to global uncertainty

techcrunch.com Tim De Chant 2025-10-06 03:00:00

There’s plenty of uncertainty to go around this year, including a global trade war, shifting policy priorities, and an economy that’s starting to stumble. Breakthrough Energy, a climate tech organization founded by Bill Gates, has also been shifting in response. The group always placed long bets, though it appears to be reappraising some of them. Its policy team was scrapped in March, for example, and it didn’t continue funding a publication that covered the climate tech world. Still, its inves

Topics: global grosh program tech techcrunch

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Gemini Live’s camera sharing could soon work better with Google Maps (APK teardown)

androidauthority.com Unknown 2025-10-06 07:36:56

Adamya Sharma / Android Authority TL;DR Google is testing a new Gemini Live feature that overlays Google Maps info cards during camera sharing sessions. The cards display place names, types, average ratings, and number of reviews right on the user’s screen. With the Pixel 10 series launch, Google added a new visual guidance feature to Gemini Live’s camera sharing functionality. This handy feature highlights the correct objects on your screen to help you pinpoint them in real life. More upgrad

Topics: camera feature gemini google live

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There’s bad news for AirPods Live Translation in EU countries

9to5mac.com Ben Lovejoy 2025-10-06 07:09:56

We first spotted that AirPods Live translation was coming a month before the announcement. Initial language support is listed as English, French, German, Portuguese (Brazil), and Spanish – with four more languages coming later this year. But while European languages are supported, you won’t necessarily be able to take advantage of that if you are within one of the countries in which they’re spoken … We’d already seen some mixed news. On the plus side, the feature isn’t exclusive to the new Air

Topics: airpods apple eu translation visiting

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Live Translation with AirPods won't come to EU-based Apple users

engadget.com Unknown 2025-10-06 07:54:10

Europe, the bloc with 24 official languages and 287 spoken in total, won't get Apple's Live Translation with AirPods feature for now. "Live Translation with AirPods is not available if you are in the EU and your Apple Account Country or Region is also in the EU," the company said on its iOS feature availability page. No reason was given, but it may have to do with the EU's strict rules around artificial intelligence and how it impacts privacy. If that's the case, Apple may be waiting for the EU

Topics: airpods apple feature live translation

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Piramidal (YC W24) Is Hiring Back End Engineer

news.ycombinator.com Unknown 2025-10-06 07:00:14

We are looking for a software engineer to help us enable interactions and automations with Piramidal’s newest technologies. We value proactive, customer-centric engineers who prioritize foundational details (data models, architecture, security) to enable excellent products. In this role you will: Build and maintain the infrastructure and backend systems for our flagship platform focused on neural data. Collaborate closely with ML engineers to iterate on applying our latest models. and Work w

Topics: data enable neural proficiency technologies

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Latest Tech News

An engineering history of the Manhattan Project

New black hole merger bolsters Hawking area theorem

NASA found clues of life on Mars, but budget cuts threaten future missions

The Apple Watch is so close to replacing my Oura Ring - it just needs this feature

The rise of async AI programming

GrapheneOS and Forensic Extraction of Data (2024)

‘Black Phone 2’ Star Says Sequel Evokes ‘A Nightmare on Elm Street’

Save Big on Our Favorite Outdoor Security Cam

Tonverk is Elektron’s new polyphonic sample mangler and groovebox

Opendoor taps new CEO and names Keith Rabois chairman, boosting stock 36%

MotoE, the electric bike world championship, is going on hiatus due to lack of interest

New VMScape attack breaks guest-host isolation on AMD, Intel CPUs

France says Apple notified victims of new spyware attacks

The iPhone 17 looks great, but I’d still choose the Pixel 10 over it

Show HN: I built a minimal Forth-like stack interpreter library in C

The Rise of Async Programming

Apple’s Big Bet to Eliminate the iPhone’s Most Targeted Vulnerabilities

Best Travel Cameras (2025), Tested and Reviewed

Partnering with generative AI in the finance function

Forget the new AirPods Pro 3, I’d stick with your smartwatch for heart rate tracking

One year of Paramount+ is on sale for as low as $30 right now

An Engineering History of the Manhattan Project

Streaming Can’t Replace Your PC, but Nvidia’s Updated GeForce Now Comes Close

Replace Processed Sugars With These 6 Natural Sugar Options Instead

The Long Walk is a dystopian slog where brutality is the main point

How Bill Gates’s fellowship program is adapting to global uncertainty

Gemini Live’s camera sharing could soon work better with Google Maps (APK teardown)

There’s bad news for AirPods Live Translation in EU countries

Live Translation with AirPods won't come to EU-based Apple users

Piramidal (YC W24) Is Hiring Back End Engineer

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