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Ars Technica

Science/Tech / Ars Technica

Solar power production undercut by coal pollution

Each year, some of the power solar could have produced is blocked by aerosols.

16 May 2026 2:06 am
Three's a party: US, China, and now Russia are on the prowl in GEO

Instead of running silent and deep, most satellites easily stand out against the blackness of space.

16 May 2026 12:41 am
Ebola outbreak with uncommon strain erupts in Congo and Uganda; 65 deaths

WHO learned of potential cases May 5; US CDC said it just heard about it yesterday.

16 May 2026 12:21 am
Making cement from a different type of rock could clean up emissions

Limestone might not be the only source for Portland cement.

15 May 2026 10:36 pm
Bill to block publishers from killing online games advances in California

Publishers would have to offer independent play patch or refunds after server shutdowns.

15 May 2026 10:05 pm
Rocket Report: Russia claims success with new ICBM; spaceplane dj vu in Europe

SpaceX's upgraded Starship is set to launch on its first test flight as soon as Tuesday, May 19.

15 May 2026 7:54 pm
Routine vaccines may cut dementia riskexperts have startling hypothesis on how

Vaccines may be training a part of our immune system long thought to be untrainable.

15 May 2026 7:31 pm
15 May 2026 7:21 pm
The perfect commuter bike? Velotric's Discover 3 makes its case.

A customized mid-motor and Shimano's new Cues components are a winning combination.

15 May 2026 4:30 pm
Cell phone users can't stop incriminating themselves

People confide almost everything to their phones.

15 May 2026 12:57 am
Energy supplier abandons Lake Tahoe residents to serve data centers

Towns 49,000 California residents compete with Nevada data centers for energy.

15 May 2026 12:47 am
Over a year later, AMD is bringing improved FSR 4 upscaling to its older GPUs

FSR 4.1 running on RDNA3 or RDNA2 GPUs may take a bigger performance hit.

15 May 2026 12:25 am
Judge probes whether Musk settlement with Trump admin is tainted by corruption

Trump admin wants to let Musk pay $1.5M fine to settle $150 million Twitter suit.

15 May 2026 12:15 am
Zero-day exploit completely defeats default Windows 11 BitLocker protections

It's not entirely clear how the exploit works. Microsoft says it's investigating.

15 May 2026 12:02 am
Vaporware or not? Aptera assembles its first five validation models.

The three-wheel, two-seat EV has been in development since 2006.

14 May 2026 10:36 pm
Cisco announces record revenue and 4,000 layoffs in the same day

Layoffs are ot a savings-driven resutrcture, CFO says.

14 May 2026 10:17 pm
Forecasters predict wildfires, floods, severe heatwaves from incoming El Nio

Ocean heat plus human-caused global warming is a grim recipe for deadly climate extremes.

14 May 2026 6:39 pm
Motorola Razr Fold review: Fits neatly in your pocket but not your budget

The Razr Fold has a lot going for it, but like all foldables, it's wildly expensive.

14 May 2026 6:30 pm
Desperate Trump taps Tim Apple, Jensen Huang, Elon Musk to attend Xi summit

Xi meeting may force Trump to pivot on semiconductor tariffs and Taiwan.

14 May 2026 4:30 pm
Solar drone with jumbo jet wingspan broke a flight recordthen it crashed

The final flight and complex legacy of a pioneering solar-powered aircraft.

14 May 2026 3:18 am
FCC angers small carriers by helping AT&T and Starlink buy EchoStar spectrum

Approval is no surprise after FCC chair pressured EchoStar to sell licenses.

14 May 2026 2:14 am
Windows Update is getting better at saving your PC from buggy drivers

Driver recovery can automate what used to be an irritating manual process.

13 May 2026 10:50 pm
13 May 2026 10:36 pm
Anthropic blames dystopian sci-fi for training AI models to act evil

But training on synthetic stories that model good AI behavior can help.

13 May 2026 10:01 pm
Gravitational lens shows a galaxy just 800 million years post-Big Bang

Early galaxy has elements produced by the Universe's first supernovae.

13 May 2026 9:23 pm
Daredevil: Born Again S2 gives us a darker, grittier canvas

Cinematographer Hillary Fyfe Spera on how she kept things visually fresh for Born Again s second season.

13 May 2026 6:45 pm
Rivian adds a new onboard AI assistant to its latest software update

The Rivian Assistant is available for both Gen1 and Gen2 hardware.

13 May 2026 6:15 pm
The newest AI boom pitch: Host a mini data center at your home

The plan aims to speed up AI compute deployment while compensating residents.

13 May 2026 3:29 am
FDA chief resigns after Trump admin forced approval of fruity e-cigs

Makary reportedly spent his year bucking Trump admin and making industry enemies.

13 May 2026 2:56 am
Will I be OK? Teen died after ChatGPT pushed deadly mix of drugs, lawsuit says

Teen trusted ChatGPT to help him safely experiment with drugs, logs show.

13 May 2026 12:30 am
Amazon employees are okenmaxxing due to pressure to use AI tools

Workers are using an internal AI tool to automate non-essential tasks.

12 May 2026 7:03 pm
Once again, SpaceX has set a new record for the tallest rocket ever built

SpaceX cleared an important milestone Monday on the road to launching a new version of Starship.

12 May 2026 4:30 pm