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EPA Seeks to Eliminate Critical PFAS Drinking Water Protections

news.ycombinator.com Unknown 2025-10-16 01:04:16

The U.S. Environmental Protection Agency (EPA) announced it will no longer defend rules that protect people from unsafe levels of PFAS “forever chemicals” in drinking water, seeking to reverse legal protections put into place last year. In its motion filed in federal court yesterday, EPA asked the court to axe its determinations to regulate and enforceable standards for four PFAS chemicals – GenX, PFHxS, PFNA, and PFBS. Separately, EPA previously announced that it will seek to extend the compli

Topics: chemicals drinking epa pfas water

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Writing an operating system kernel from scratch

news.ycombinator.com Uros Popovic 2025-10-16 02:44:44

Posted on: September 13, 2025 | at 09:30 AM Follow @popovicu94 I recently implemented a minimal proof of concept time-sharing operating system kernel on RISC-V. In this post, I’ll share the details of how this prototype works. The target audience is anyone looking to understand low-level system software, drivers, system calls, etc., and I hope this will be especially useful to students of system software and computer architecture. This is a redo of an exercise I did for my undergraduate cours

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After the Virtual Boy, There’s No Reason Why Nintendo Can’t Bring Back Its Best Handheld

gizmodo.com Kyle Barr 2025-10-15 23:00:08

Nintendo doesn’t normally let fans in on its hardware plans, but if you’re the type of person to spot trends, it’s clear the Switch 2 will become the Mario maker’s everything console. Nintendo has started offering more hardware specifically tailored for playing its old, defunct consoles. The inevitable next step is for the company to let us return to its most popular handheld ever, the Nintendo DS. Today, Nintendo decided it was time to bring back what is likely its least popular gaming hardwar

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New Nuclear Rocket Concept Could Slash Mars Travel Time in Half

gizmodo.com Passant Rabie 2025-10-16 01:00:58

Engineers from Ohio State University are developing a new way to power rocket engines, using liquid uranium for a faster, more efficient form of nuclear propulsion that could deliver round trips to Mars within a single year. NASA and its private partners have their eyes set on the Moon and Mars, aiming to establish a regular human presence on distant celestial bodies. The future of space travel depends on building rocket engines that can propel vehicles farther into space and do it faster. Nucl

Topics: cntr engine engines nuclear propulsion

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Get Your Wig and Sword Ready, ‘The Witcher’ Returns in October

gizmodo.com Justin Carter 2025-10-16 01:30:32

At long last, we have a release date for The Witcher season four: October 30. On Saturday night, Netflix released a first look at the new season, which sees Liam Hemsworth as the new Geralt of Rivia after Henry Cavill bowed out. We see Geralt’s still doing his monster-slaying thing, and the clip goes out of its way to assure Hemsworth’s got the look and action chops to carry the show for its final two seasons. Like the Cavill-led era, this new adventure for Geralt will span eight episodes, and

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Galaxy Buds 3 FE Review: Samsung’s ‘Fan Edition” Wireless Earbuds Are Just Enough

gizmodo.com James Pero 2025-10-16 03:00:58

If you’re a Samsung fan and you see “FE” branding, you probably think a few things. The first thing that comes to mind is probably, “I’m saving some money.” For those not fluent in Samsung lingo, FE, which is actually short for “Fan Edition,” is the equivalent of SE in Apple-speak, meaning it’s a more budget-friendly alternative to the flagship-level gadgets. But it’s not just savings you want when you’re seeking something FE-branded—you want quality, too. Maybe you’re not expecting every bell a

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Colman Domingo Used Jerry Springer to Build His ‘Running Man’ Villain

gizmodo.com Justin Carter 2025-10-16 03:25:58

The upcoming Running Man remake is set in a United States where people watch contestants try to survive being hunted. Watch any game show (or reality TV in general), and the host is as important as the players themselves, and that’s where Colman Domingo comes in. He plays Bobby Thompson in the film, who hosts the titular blood sport that’s the talk of the country. We got a little bit of the character in the trailer, and according to Domingo, playing a guy like that is like “[being] in a whole d

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Today's NYT Mini Crossword Answers for Sunday, Sept. 14

cnet.com See Full Bio 2025-10-15 15:40:00

Gael Cooper CNET editor Gael Fashingbauer Cooper, a journalist and pop-culture junkie, is co-author of "Whatever Happened to Pudding Pops? The Lost Toys, Tastes and Trends of the '70s and '80s," as well as "The Totally Sweet '90s." She's been a journalist since 1989, working at Mpls.St.Paul Magazine, Twin Cities Sidewalk, the Minneapolis Star Tribune, and NBC News Digital. She's Gen X in birthdate, word and deed. If Marathon candy bars ever come back, she'll be first in line.

Topics: 1989 author cooper gael journalist

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The AI Label Is on Everything Now: That's a Problem for Buyers and Home Brands Alike

cnet.com See Full Bio 2025-10-15 22:00:00

If there's one thing I learned from Berlin's 2025 IFA consumer tech show, it's that AI has taken over marketing, too. Even with my smart home focus, it was difficult to find a new product or announcement that didn't have "AI" somewhere in its promotion. That's a problem for the average tech enjoyer, because it's no longer clear what AI means, if it's actually AI in the modern sense (which some would argue isn't even true AI at all), or if it adds anything worth having. Read more: Promptware Thr

Topics: ai home smart tech voice

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Apple TV Plus: The 14 Best Sci-Fi TV Shows You Should Stream Now

cnet.com See Full Bio 2025-10-15 22:00:04

So, you're an Apple TV Plus subscriber looking for worthwhile sci-fi TV shows to watch. You've already binged every episode of Severance. What should you dive into next? Apple's streaming service (which just raised its monthly price) feels like an exclusive place. The majority of the original programs on the platform premiere without much promotion, instead being left for you to discover on your own. With so many streaming shows vying for your attention, the perfect title can get lost. Do you

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How Advanced Ocean Exploration Is Rewriting History

cnet.com See Full Bio 2025-10-15 23:00:00

Back Services & Software All the news and tips you need to get the most out of services, apps and software you use every day.

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The AirPods Pro 3 Will Detect Your Heart Rate During a Workout, Apple Watch Not Required

cnet.com See Full Bio 2025-10-15 23:00:00

The new AirPods Pro 3 were unveiled during Apple's iPhone 17 event Tuesday. The latest version of the Pro earpods has improved noise cancellation, can translate languages in real time, has better and clearer sound quality, and water resistance, so it can handle your sweatiest workouts. But the AirPods Pro 3's newest standout feature is its ability to read your heart rate using a small sensor implanted in the earpiece. That means during your daily walks or workouts, your AirPods will be able to

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All the Apple Watch Ultra 3 Changes: More Battery Life, Satellite Texting, 5G and More

cnet.com See Full Bio 2025-10-15 23:00:06

Since its introduction, the Apple Watch Ultra has been the Apple smartwatch choice of long-distance runners, hikers, divers -- and less-energetic folks who just prefer a chunky watch with extended battery life. After releasing minimal updates for the last couple of years, Apple announced at its big fall event the new Apple Watch Ultra 3, which adds a brighter, larger display, 5G cellular communication, satellite connectivity, a battery life increase of up to 42 hours and the ability to detect w

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Watch the Emmy Awards Tonight Without Cable

cnet.com See Full Bio 2025-10-16 01:00:00

Hulu Plus Live TV subscribers get access to CBS and will be able to watch the Emmys live or on-demand the following day. Hulu Plus Live TV costs $83 a month for the ad-supported tier, and comes with a three-day free trial and access to Disney Plus and ESPN Plus. $12 more a month for the Premium plan will get you the same, but ad-free Disney Plus and on-demand Hulu. Check out our Hulu Plus Live TV review for more info.

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Patriots vs. Dolphins Livestream: How to Watch NFL Week 2 Online Today

cnet.com See Full Bio 2025-10-16 01:00:04

When to watch the New England Patriots vs. Miami Dolphins Sunday, Sept. 14 at 1 p.m. ET (10 a.m. PT) Where to watch Patriots and Dolphins game will air on CBS, with a three-man booth of Andrew Catalon, Charles Davis and Jason McCourty calling the game. The Patriots and Dolphins are both looking to rebound in Week 2 after a tough start to the season. The Patriots looked lackluster in their 20-13 home loss to the Las Vegas Raiders, and the Dolphins were even worse in getting blown out 33-8 to

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Bills vs. Jets Livestream: How to Watch NFL Week 2 Online Today

cnet.com See Full Bio 2025-10-16 01:00:05

When to watch the Buffalo Bills vs. New York Jets Sunday, Sept. 14 at 1 p.m. ET (10 a.m. PT) Where to watch The Bills and Jets game will air on CBS, with Jim Nantz and Tony Romo calling the game. The Bills escaped with a 41-40 win in their opening game against the Ravens, with Josh Allen leading a furious fourth-quarter comeback. Next up for Buffalo is a road game against AFC East rivals the New York Jets, who lost a heartbreaker last week to the Pittsburgh Steelers. The Jets may still be lo

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Rams vs. Titans Livestream: How to Watch NFL Week 2 Online Today

cnet.com See Full Bio 2025-10-16 01:00:06

When to watch LA Rams vs. Tennessee Titans Sunday, Sept. 14 at 1 p.m. ET (10 a.m. PT) Where to watch The Rams and Titans game will air on CBS, with Ian Eagle and J.J. Watt on the call. It's the first home start for first overall pick Cam Ward today. Tennessee's rookie quarterback struggled in his debut in Denver against a tough Broncos defense last week and will look for better results against the Rams in week two. The Rams won their opener with their 37-year-old quarterback Matthew Stafford

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Jaguars vs. Bengals Livestream: How to Watch NFL Week 2 Online Today

cnet.com See Full Bio 2025-10-16 01:00:07

When to watch Jacksonville Jaguars vs. Cincinnati Bengals Sunday, Sept. 14 at 1 p.m. ET (10 a.m. PT) Where to watch The Jags and Bengals game will air on CBS, with Chris Lewis and Logan Ryan calling the game. The Bengals eked out a one-point win in Cleveland to open the season and have their home opener today against the Jaguars, who won last week at home in Liam Coen's first game as head coach. Can the Jags get a road win to start the season 2-0, or will Joe Burrow and the Bengals prove too

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Browns vs. Ravens Livestream: How to Watch NFL Week 2 Online Today

cnet.com See Full Bio 2025-10-16 01:00:07

When to watch Cleveland Browns vs. Baltimore Ravens Sunday, Sept. 14 at 1 p.m. ET (10 a.m. PT) Where to watch The Browns-Ravens game will air on CBS, with Tom McCarthy and Ross Tucker on the call. The Ravens return home for a Week 2 clash against the Browns after blowing a 15-point, fourth-quarter lead in a one-point loss against the Bills. The Browns looked frisky last week at home against the Bengals, but a missed extra point in the third quarter and a missed chip-shot field goal by their

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Giants vs. Cowboys Livestream: How to Watch NFL Week 2 Online Today

cnet.com See Full Bio 2025-10-16 01:00:08

When to watch New York Giants vs. Dallas Cowboys Sunday, Sept. 14 at 1 p.m. ET (10 a.m. ET). Where to watch The Giants-Cowboys game will air on Fox, with Greg Olsen and Joe Davis on the call. The second week of the season is too early to label a game as "must-win," but these two NFC East teams are staring an 0-2 start in the face. The Giants dropped their opener to the Washington Commanders, putting up only a pair of field goals in the loss. Despite the stagnant offense, Giants head coach B

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Bears vs. Lions Livestream: How to Watch NFL Week 2 Online Today

cnet.com See Full Bio 2025-10-16 01:00:09

When to watch Chicago Bears vs. Detroit Lions Sunday, Sept. 14 at 1 p.m. ET (10 a.m. ET). Where to watch The Bears-Lions game will air on Fox, with Kenny Albert and Jonathan Vilma on the call. The Bears and Lions are each still searching for their first win of the season and meet in Detroit today to see who can avoid an 0-2 start. It's a homecoming for new Bears head coach Ben Johnson, who spent the last three seasons as the Lions' offensive coordinator. His top task this season is to get th

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Seahawks vs. Steelers Livestream: How to Watch NFL Week 2 Online Today

cnet.com See Full Bio 2025-10-16 01:00:10

When to watch Seattle Seahawks vs. Pittsburgh Steelers Sunday, Sept. 14 at 1 p.m. ET (10 a.m. ET). Where to watch The Seahawks-Steelers game will air on Fox, with Adam Amin and Mark Sanchez calling the game. For the first week at least, the Aaron Rodgers experiment in Pittsburgh has been a success. The 41-year-old future Hall of Famer led the Steelers to a Week 1 win over his former team, the New York Jets, tossing four touchdowns in the process. Today, he gets his first home start in Pitts

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49ers vs. Saints Livestream: How to Watch NFL Week 2 Online Today

cnet.com See Full Bio 2025-10-16 01:00:11

When to watch San Francisco 49ers vs. New Orleans Saints Sunday, Sept. 14 at 1 p.m. ET (10 a.m. ET). Where to watch The 49ers-Saints game will air on Fox, with Kevin Kugler and Daryl Johnston on the call. The 49ers started the season with a win, but lost quarterback Brock Purdy in the process. With Purdy unlikely to play, backup Mac Jones is in line to start in New Orleans. Second-year QB Spencer Rattler is the Saints' starter, and helped keep them in the game last week before a late rally c

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La Liga Soccer: Stream Barcelona vs. Valencia Live From Anywhere

cnet.com See Full Bio 2025-10-16 03:00:03

The pick of La Liga's Gameweek 4 fixtures sees Barcelona looking to get back to the team's winning ways as they host Carlos Corberán's Valencia. Below, we'll outline the best live TV streaming services to use to watch the game as it happens. The Blaugrana went into the international break after a hugely disappointing 1-1 draw with Rayo Vallecano, with a superb showing from goalkeeper Joan Garcia preventing a far worse result for the defending champs. The team now faces a Valencia team that ca

Topics: espn la liga plus sports

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Feds try to dodge lawsuit against their bogus climate report

arstechnica.com Unknown 2025-10-14 07:58:03

While the Trump administration has continued to refer to efforts to avoid the worst impacts of climate change as a scam, it has done almost nothing to counter the copious scientific evidence that demonstrates that climate change is real and doing real damage to the citizens of the US. The lone exception has been a draft Department of Energy report prepared by a handful of carefully chosen fringe figures that questioned the mainstream understanding of climate change. The shoddy work and questiona

Topics: change climate committee report science

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The Quest to Find the Longest-Running Simple Computer Program

wired.com Ben Brubaker 2025-10-15 22:00:00

The original version of this story appeared in Quanta Magazine. Imagine that someone gives you a list of five numbers: 1, 6, 21, 107 and—wait for it—47,176,870. Can you guess what comes next? If you’re stumped, you’re not alone. These are the first five busy beaver numbers. They form a sequence that’s intimately tied to one of the most notoriously difficult questions in theoretical computer science. Determining the values of busy beaver numbers is a daunting challenge that has attracted a cult

Topics: beaver busy computer numbers turing

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The Best Mushroom Coffee, WIRED Tested and Reviewed (2025)

wired.com Pete Cottell 2025-10-15 22:35:00

Photograph: Pete Cottell Others Tested Four Sigmatic Organic Coffee for $17: Four Sigmatic was founded about a decade ago by Finnish-American bohos who had the prescience to market mushroom coffee to woo-woo Angelenos who are rich enough to disregard science. Its catalog is expansive and includes a whole constellation of mushroom-infused ingestibles, with bagged, preground coffee serving as the flagship product alongside instant latte mixes, smoothie add-ins, and “capsules.” Buying from Four S

Topics: blend coffee cup focus sigmatic

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How to Switch to Google Fi (2025): Plans, Tips, and Advice

wired.com Scott Gilbertson 2025-10-15 23:00:00

All of the prices above are for a single line paid monthly. Google periodically offers half off and other specials, usually only if you bring your own phone. Activate Your Chip Once you've picked your plan and signed up, Google will mail out a SIM card. It took a couple of days for my physical SIM to arrive, but I'll gladly take the slight delay if it saves me from setting foot in a physical carrier store. If you're using an iPhone, Google Pixel, Samsung phone, or other device that supports eS

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Razer BlackShark V3 Pro Review: High-End Gaming Audio

wired.com Brad Bourque 2025-10-15 23:33:00

Despite including Bluetooth and ANC, I don't think of this at the type of do-everything headset you might replace noise-canceling headphones with, and not just because the person next to you will wonder if you're secretly talking to the pilots. These are so bulky and obviously for gaming that you probably don't want to wear them outside the house. You'd certainly get some weird looks walking the dog or working from your local coffee shop. Comfort and Fit Photograph: Brad Bourque In order to f

Topics: anc gaming just noise pro

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Hypershell Pro X Series Review: An Exoskeleton You Can Actually Buy

wired.com Chris Haslam 2025-10-16 00:00:00

WIRED Editor Amit Katwala has traveled far and wide for a hands-on look at the future of robotic artificial limbs, and the technological progress he witnessed is beyond impressive. But in truth, his quest to become Superhuman is still stuck in the prototype phase. I, on the other hand, have been galavanting around the English countryside wearing the Hypershell Pro X, the first readily available leg-boosting, mile-eating, powered exoskeleton. As a broader product category, exoskeletons have the

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Latest Tech News

EPA Seeks to Eliminate Critical PFAS Drinking Water Protections

Writing an operating system kernel from scratch

After the Virtual Boy, There’s No Reason Why Nintendo Can’t Bring Back Its Best Handheld

New Nuclear Rocket Concept Could Slash Mars Travel Time in Half

Get Your Wig and Sword Ready, ‘The Witcher’ Returns in October

Galaxy Buds 3 FE Review: Samsung’s ‘Fan Edition” Wireless Earbuds Are Just Enough

Colman Domingo Used Jerry Springer to Build His ‘Running Man’ Villain

Today's NYT Mini Crossword Answers for Sunday, Sept. 14

The AI Label Is on Everything Now: That's a Problem for Buyers and Home Brands Alike

Apple TV Plus: The 14 Best Sci-Fi TV Shows You Should Stream Now

How Advanced Ocean Exploration Is Rewriting History

The AirPods Pro 3 Will Detect Your Heart Rate During a Workout, Apple Watch Not Required

All the Apple Watch Ultra 3 Changes: More Battery Life, Satellite Texting, 5G and More

Watch the Emmy Awards Tonight Without Cable

Patriots vs. Dolphins Livestream: How to Watch NFL Week 2 Online Today

Bills vs. Jets Livestream: How to Watch NFL Week 2 Online Today

Rams vs. Titans Livestream: How to Watch NFL Week 2 Online Today

Jaguars vs. Bengals Livestream: How to Watch NFL Week 2 Online Today

Browns vs. Ravens Livestream: How to Watch NFL Week 2 Online Today

Giants vs. Cowboys Livestream: How to Watch NFL Week 2 Online Today

Bears vs. Lions Livestream: How to Watch NFL Week 2 Online Today

Seahawks vs. Steelers Livestream: How to Watch NFL Week 2 Online Today

49ers vs. Saints Livestream: How to Watch NFL Week 2 Online Today

La Liga Soccer: Stream Barcelona vs. Valencia Live From Anywhere

Feds try to dodge lawsuit against their bogus climate report

The Quest to Find the Longest-Running Simple Computer Program

The Best Mushroom Coffee, WIRED Tested and Reviewed (2025)

How to Switch to Google Fi (2025): Plans, Tips, and Advice

Razer BlackShark V3 Pro Review: High-End Gaming Audio

Hypershell Pro X Series Review: An Exoskeleton You Can Actually Buy

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