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US government announces $200 million Grok contract a week after ‘MechaHitler’ incident

theverge.com Lauren Feiner 2025-08-02 21:58:16

A week after Elon Musk’s Grok dubbed itself “MechaHitler” and spewed antisemitic stereotypes, the US government has announced a new contract granting the chatbot’s creator, xAI, up to $200 million to modernize the Defense Department. xAI is one of several leading AI companies to receive the award, alongside Anthropic, Google, and OpenAI. But the timing of the announcement is striking given Grok’s recent high-profile spiral, which drew congressional ire and public pushback. The use of technology

Topics: ai contract government musk xai

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5 Android phones you should buy instead of the Galaxy Z Flip 7

androidauthority.com Unknown 2025-08-02 18:00:26

Zac Kew-Denniss / Android Authority As a big fan of flip phone foldables, the new Galaxy Z Flip 7 looks like a phone I’ve been wanting from Samsung for years. Samsung’s Z Flip handsets have always been a safe choice in the flip phone market, but the Flip 7 looks like a truly exciting one. Between the vastly improved cover screen, larger main display, and slimmer design, it’s an impressive piece of kit. But for everything Samsung seems to have gotten right with the Z Flip 7, I do have some conc

Topics: flip galaxy phone razr samsung

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Gigabyte motherboards vulnerable to UEFI malware bypassing Secure Boot

bleepingcomputer.com Unknown 2025-08-03 01:30:32

Dozens of Gigabyte motherboard models run on UEFI firmware vulnerable to security issues that allow planting bootkit malware that is invisible to the operating system and can survive reinstalls. The vulnerabilities could allow attackers with local or remote admin permissions to execute arbitrary code in System Management Mode (SMM), an environment isolated from the operating system (OS) and with more privileges on the machine. Mechanisms running code below the OS have low-level hardware access

Topics: binarly firmware gigabyte security vulnerabilities

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I've tested dozens of smart locks, but I keep this one for its handy keycard feature

zdnet.com Maria Diaz 2025-08-03 01:05:28

ZDNET's key takeaways The Aqara U100 smart lock was originally priced at $230, but it is currently discounted to $135. This smart lock is the most versatile I've tested; it offers a variety of unlocking options, a user-friendly app, and easy integration with Apple Home. The Aqara U100 drains the battery quickly, and the app doesn't always alert users, resulting in reduced performance within four months of use. $189.99 at Amazon $179.99 at Best Buy more buying choices The Aqara U100 Smart Lock

Topics: app aqara lock smart u100

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Why random selection is necessary to create stable meritocratic institutions

news.ycombinator.com Paul Melman 2025-08-03 00:28:36

Campbell's Law (a variant of Goodhart's Law) states that the more a metric is used for social decision-making, the more it will be subject to corruption which distorts and corrupts not only the metric itself, but the very social processes it was meant to measure. Selection criteria for a position of authority are one example of such a metric. When selection criteria are opaque, it is difficult for them to become a target, preserving their utility as measures. For governance positions however, it

Topics: ability authority good randomness selection

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Arizona Governor Chastises Federal Response to ‘Devastating’ Wildfires

gizmodo.com Ellyn Lapointe 2025-08-03 01:55:27

A pair of fast-moving wildfires burning near the Grand Canyon’s North Rim destroyed a historic lodge, triggered evacuations, and forced officials to close this part of the national park for the remainder of the 2025 season on Sunday. Arizona’s governor argues the federal government is largely to blame. The Grand Canyon Lodge—the only lodging within the park’s North Rim—and a nearby water treatment facility are among 50 to 80 structures consumed by the Dragon Bravo fire, the National Park Servic

Topics: bravo canyon dragon hobbs july

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Rainmaker partners with Atmo to squeeze more rain from clouds

techcrunch.com Tim De Chant 2025-08-03 01:00:00

Cloud seeding startup Rainmaker is partnering with Atmo, an AI-powered meteorology startup, the companies exclusively told TechCrunch. The two operate on complementary ends of the weather system: Atmo studies atmospheric patterns to forecast weather events, while Rainmaker digests such data in an attempt to squeeze more precipitation out of weather systems. Under the partnership, Atmo will use its deep learning models to help Rainmaker identify clouds that have potential for seeding. The forec

Topics: cloud precipitation rainmaker seeding techcrunch

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One of the most versatile cameras I've used is not from Sony or Canon and it's on sale

zdnet.com Ant Pruitt 2025-08-03 05:42:08

Ant Pruitt/ZDNET At Best Buy, the Insta360 X4 Action Camera is $150 off right now. ZDNET's key takeaways The Insta360 X4 Its accommodating accessories, including the Invisible Selfie Stick and Utility Frame, make it a fantastic camera for most environments. Just be aware of scratching the lens as both sides protrude out. Most talk in tech today revolves around AI in some shape or form, but not too long ago, VR and 360-degree video were the hot topic. When it comes to 360-degree video, the

Topics: 360 camera insta360 video x4

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I tested a subscription-free smart ring for a month - here's how it compares to Oura

zdnet.com Nina Raemont 2025-08-03 05:43:00

ZDNET's key takeaways The Ultrahuman Ring Air is the brand's first foray into the smart ring space, and it's available for $349, no subscription required. The ring is great for hardcore fitness enthusiasts and recreational exercisers looking to use their health data to optimize their wellness routines. The app's user interface could be improved for easier access to daily logging functions. $349 at Amazon As one of the hottest smart rings on the market, the Ultrahuman Ring Air offers features

Topics: data oura ring sleep ultrahuman

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The Oura Ring 3 is still discounted to a great price

zdnet.com Nina Raemont 2025-08-03 05:46:53

Nina Raemont/ZDNETLink Text: Oura Ring 3URL: https://www.amazon.com/Oura-Ring-Gen3-Horizon-Tracking/dp/B0CSRF3Y2F/Merchant: Offer Type: MONETIZATION PENDING please save and reload Edit UnlinkOura Ring 3 Wanna know a secret? Besides one more day of battery life and a slimmer build, there really isn't much of a difference between the Oura Ring 3 and the Oura Ring 4. That's because they both have nearly the exact same software and app user experience. So if you've been eyeing an Oura Ring but are

Topics: feature new oura ring smart

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NetBox Labs secures $35M as demand for network infrastructure management surges

news.ycombinator.com More This Author 2025-08-03 05:43:21

The platform’s technical foundation centers on modeling infrastructure relationships in detail. The NetBox model encodes realistic relationships, such as an IP address’s provision on an interface, where the interface is on the switch, and where the switch sits in a rack. In addition, NetBox Labs has expanded the core platform with complementary products that address operational pain points while leveraging the central data repository. NetBox Discovery provides automated network device and serv

Topics: assurance capabilities discovery infrastructure netbox

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Lightning Detector Circuits

news.ycombinator.com Unknown 2025-08-03 05:07:31

Here's a version I built into a "fake" book I found at an art store. The copper PCB is connected to the circuit ground to act as a counterpoise for the antenna, increasing sensitivity. The lightning bolt was cut with a sharp knife then filled with blue-dyed epoxy. The antenna connects to the pin jack. I used a cheap flashlight head for the LED - I used too much blue dye in the epoxy so I need a bright flash! The image below is with an LED and no pot (but with the 150k resistor added). I made se

Topics: just lightning power resistor transistor

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You Are in a Box

news.ycombinator.com Unknown 2025-08-03 05:02:43

This post is part 1 of a multi-part series called “the computer of the next 200 years”. You are trapped in a box. You have been for a long time. —D. R. MacIver Every program attempts to expand until it can read mail. Those programs which cannot so expand are replaced by ones which can. —Zawinski's Law of Software Envelopment switching costs and growth most tools simultaneously think too small and too big. “i will let you do anything!”, they promise, “as long as you give up your other tools

Topics: language languages program programs tools

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Building Modular Rails Applications: A Deep Dive into Rails Engines

news.ycombinator.com Unknown 2025-08-03 05:30:31

I’ve been building Rails applications for the last 10 years on a daily base and almost all of them use active storage now. Users are uploading files and then the questions start rolling in from the team and they are always the same: “How much storage are we actually using?” “Can we see which files aren’t attached to anything anymore?” “What types of files are users uploading the most?” “Is there a way to browse through all our stored files?” I usually open the Rails console, write a few querie

Topics: dashboard end engine engines rails

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Why James Gunn Wanted a Younger Jor-El In ‘Superman’

gizmodo.com James Whitbrook 2025-08-03 09:00:28

The role Superman’s parents play in his life has always differed across years of comic book reshuffling and myriad adaptations. But in our latest crack at the Kryptonian whip in James Gunn’s Superman, Jor-El and Lara Lor-Van play a brief, but fundamental role in the movie. Casting the role for Gunn was crucial, not just because of the character’s legacy—but because he wanted to buck a trend from other live-action Superman films. In Superman Jor-El and Lara are played by the voice of Rocket Racc

Topics: character el gunn jor superman

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Mortgage Rate Predictions: Here's Why Rates Are Staying High in July

cnet.com See Full Bio 2025-08-03 08:17:00

Buyers should keep an eye on the possibility of rate cuts in the next few months. Tharon Green/CNET After the rate on a 30-year fixed mortgage dipped to around 6.7% (its lowest level in months), prospective homebuyers jumped to take advantage. Before the July 4 holiday weekend, mortgage loan applications increased 9.4% week over week, per the Mortgage Bankers Association. Homeowners also seized on refinancing, with refinance activity 56% higher than the same time last year. But the reprieve di

Topics: market mortgage rate rates year

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Samsung Galaxy Z Flip 7 vs. Motorola Razr Ultra: Which clamshell foldable wins?

zdnet.com Jason Howell 2025-08-03 13:41:00

Kerry Wan/ZDNET The Samsung Z Flip 7 is now official, bringing with it a brighter cover display, a larger battery, and a full dose of Galaxy AI. On the flip side, the Motorola Razr Ultra refines its clamshell formula, pairing the largest, fastest screens in the category with a triple-50 MP camera stack and Moto AI tricks. Also: Everything announced at Samsung Unpacked this week: Z Fold 7, Watch 8 Classic, tri-fold phone, more Clamshell foldables have come a long way, and Motorola and Samsung

Topics: ai flip motorola razr samsung

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Samsung Galaxy S26 series leak hints at an Edge future (again)

androidauthority.com Unknown 2025-08-04 01:27:05

Hadlee Simons / Android Authority TL;DR The Samsung Galaxy S26 Ultra will reportedly gain a 200MP main camera and a 50MP tele camera. Samsung’s middle Galaxy S26 model apparently has a 50MP ultrawide camera, much like the Galaxy S25 Edge. This ultrawide camera potentially hints at the Galaxy S26 Plus being swapped out for an S26 Edge. We already know that Samsung is hard at work on the Galaxy S26 series, and we’ve seen a few leaks already. Now, a trusted outlet has revealed some more details

Topics: 50mp camera galaxy s26 ultrawide

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I got my hands on the foldable phone that fixes the Galaxy Z Fold 7’s biggest issues

androidauthority.com Unknown 2025-08-04 01:52:08

Hadlee Simons / Android Authority The Galaxy Z Fold 7 is finally here, and it looks like Samsung actually tried to deliver a competitive foldable phone. The device offers a super-slim and light design, the Snapdragon 8 Elite chipset, and a 200MP main camera. It’s not the only book-style foldable phone to launch in July, though, as the vivo X Fold 5 has now launched in (some) global markets. And my brief time with the phone shows that this is a compelling Z Fold 7 alternative offering a few fea

Topics: camera fold foldable phone vivo

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The best cheap fitness trackers for 2025

engadget.com Unknown 2025-08-04 00:00:36

Engadget has been testing and reviewing consumer tech since 2004. Our stories may include affiliate links; if you buy something through a link, we may earn a commission. Read more about how we evaluate products . If you’re looking to get healthier without spending a fortune, the best cheap fitness trackers prove you don’t need to splash out on the best smartwatches to stay on top of your goals. Whether you're counting steps, keeping track of heart rate monitoring or trying to improve your sleep

Topics: band fitness sleep tracker watch

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You should stop putting your phone face up on the table - here's why

zdnet.com Chris Bayer 2025-08-03 23:00:14

Sabrina Ortiz/ZDNET A friend of mine recently told me, "I always keep my phone on silent mode… which doesn't matter because I compulsively look at it every three minutes anyway." He's not the only one. From becoming a text addict to having full-blown smartphone dependency, the urge to look at and interact with our "flat things" has been deeply ingrained into our collective behavior for some time now. Also: I ditched my phone for this E Ink handset for two weeks - here's my buying advice now

Topics: face notification phone screen vibration

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East Asian air cleanup likely contributed to acceleration in global warming

news.ycombinator.com Samset 2025-08-04 00:30:37

RAMIP simulations and recent emissions changes in East Asia We first document the emissions perturbation applied in the RAMIP baseline and East Asia simulations21 (see “Methods”), and compare them to the actual emissions reductions from the same region since around 2010. Briefly, RAMIP isolates the climate effects of aerosol emissions in one region by comparing two sets of transient emission simulations; one following a global, high emissions pathway (SSP3-7.0, which assumes weak air quality po

Topics: aerosol east emissions fig ramip

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How I build software quickly

news.ycombinator.com Evan Hahn 2025-08-03 21:41:51

Software is built under time and quality constraints. We want to write good code and have it done quickly. If you go too fast, your work is buggy and hard to maintain. If you go too slowly, nothing gets shipped. I have not mastered this tension, but I’ll share a few lessons I’ve learned. This post focuses on being a developer on a small team, maintaining software over multiple years. It doesn’t focus on creating quick prototypes. And this is only based on my own experience! “How good should t

Topics: code draft rough time ve

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Florida Cat Named Pepper Brings Home Never-Before-Seen Virus—for the Second Time

gizmodo.com Natalia Mesa 2025-08-04 01:00:40

Last year, Pepper, a pet cat who roams the backyards of Gainesville, Florida, helped a scientist discover a new viral strain. Now, the furry feline is back at it again. In a new study, scientists have once again discovered an exotic virus infecting a dead rodent that had been caught by Pepper. This time around, Pepper’s furry hunting trophy helped researchers pinpoint an unidentified strain of orthoreovirus, a type of virus that infects humans and other mammals. The findings, and the virus’s co

Topics: lednicky new pepper strain virus

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Can You Lose Weight and Gain Strength on a Vibration Plate? We Consulted Fitness Experts

cnet.com See Full Bio 2025-08-04 00:30:00

Vibration plates are making a comeback. Similar to the mid-20th-century vibrating belt machines, vibration plates have been said to provide the body with various benefits and can even be a tool for weight loss. But is the hype actually backed by science and expert opinions, or is it all social media hearsay? To find out if you should add a vibration plate to your workout routine, we asked personal trainers and other fitness experts about the actual benefits, risks, how to use a vibration plate

Topics: body exercise plate plates vibration

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I May Have Found the Best Travel Camera

cnet.com See Full Bio 2025-08-04 02:00:07

CNET's key takeaways Basically, it's Fujifilm's ultra-popular X100VI point-and-shoot camera Leans into the company's film simulation recipes by giving them their own dial for fast, direct access. Expensive, but not overpriced and capable of excellent 40-megapixel images and 6.2K-resolution video. While most people don't need a special camera for travel -- their phone will work just fine -- those of us into photography as a hobby are always on the lookout for cool new gear. To be fair, buying

Topics: camera cnet e5 lens x100vi

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Black hole merger challenges our understanding of black hole formation

news.ycombinator.com Gayoung Lee 2025-08-03 20:38:20

Gravitational waves—ripples in space-time caused by violent cosmic events—travel at the speed of light in every direction, eventually fading out like ripples in water. But some events are so destructive and extreme that they create disturbances in spacetime more like powerful waves than small ripples, with enough energy to reach our own detectors here on Earth. Today, the LIGO Collaboration announced the detection of the most colossal black hole merger known to date, the final product of which

Topics: black gravitational hole ligo waves

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Let's Learn x86-64 Assembly (2020)

news.ycombinator.com Unknown 2025-08-03 18:22:15

Let's Learn x86-64 Assembly! Part 0 - Setup and First Steps published on Apr 18 2020 The way I was taught x86 assembly at the university had been completely outdated for many years by the time I had my first class. It was around 2008 or 2009, and 64-bit processors had already started becoming a thing even in my neck of the woods. Meanwhile, we were doing DOS, real-mode, memory segmentation and all the other stuff from the bad old days. Nevertheless, I picked up enough of it during the classes

Topics: address entry memory program stack

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Astronomers Detect a Black Hole Merger That’s So Massive It Shouldn’t Exist

gizmodo.com Gayoung Lee 2025-08-03 19:01:09

Gravitational waves—ripples in space-time caused by violent cosmic events—travel at the speed of light in every direction, eventually fading out like ripples in water. But some events are so destructive and extreme that they create disturbances in spacetime more like powerful waves than small ripples, with enough energy to reach our own detectors here on Earth. Today, the LIGO Collaboration announced the detection of the most colossal black hole merger known to date, the final product of which

Topics: black gravitational hole ligo waves

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Holographic ribbon aims to oust magnetic tape with 50-year life span and 200TB

news.ycombinator.com Mark Tyson 2025-08-03 20:58:24

Details behind HoloMem’s holographic tape innovations are beginning to come into clearer view. The UK-based startup recently chatted with Blocks & Files about its potentially disruptive technology for long-term cold storage. HoloMem is another emerging storage idea which relies on optical technology - to enable holographic storage. However, it cleverly melds the durability and density advantage of optical formats with a flexible polymer ribbon-loaded cartridge, so it can usurp entrenched LTO mag

Topics: holomem magnetic storage tape technology

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Latest Tech News

US government announces $200 million Grok contract a week after ‘MechaHitler’ incident

5 Android phones you should buy instead of the Galaxy Z Flip 7

Gigabyte motherboards vulnerable to UEFI malware bypassing Secure Boot

I've tested dozens of smart locks, but I keep this one for its handy keycard feature

Why random selection is necessary to create stable meritocratic institutions

Arizona Governor Chastises Federal Response to ‘Devastating’ Wildfires

Rainmaker partners with Atmo to squeeze more rain from clouds

One of the most versatile cameras I've used is not from Sony or Canon and it's on sale

I tested a subscription-free smart ring for a month - here's how it compares to Oura

The Oura Ring 3 is still discounted to a great price

NetBox Labs secures $35M as demand for network infrastructure management surges

Lightning Detector Circuits

You Are in a Box

Building Modular Rails Applications: A Deep Dive into Rails Engines

Why James Gunn Wanted a Younger Jor-El In ‘Superman’

Mortgage Rate Predictions: Here's Why Rates Are Staying High in July

Samsung Galaxy Z Flip 7 vs. Motorola Razr Ultra: Which clamshell foldable wins?

Samsung Galaxy S26 series leak hints at an Edge future (again)

I got my hands on the foldable phone that fixes the Galaxy Z Fold 7’s biggest issues

The best cheap fitness trackers for 2025

You should stop putting your phone face up on the table - here's why

East Asian air cleanup likely contributed to acceleration in global warming

How I build software quickly

Florida Cat Named Pepper Brings Home Never-Before-Seen Virus—for the Second Time

Can You Lose Weight and Gain Strength on a Vibration Plate? We Consulted Fitness Experts

I May Have Found the Best Travel Camera

Black hole merger challenges our understanding of black hole formation

Let's Learn x86-64 Assembly (2020)

Astronomers Detect a Black Hole Merger That’s So Massive It Shouldn’t Exist

Holographic ribbon aims to oust magnetic tape with 50-year life span and 200TB

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