More haunting declassified scans of nuclear weapons test videos released

Enlarge / A high-altitude nuclear detonation captured on decades-old film at the Lawrence Livermore National Laboratory. Lawrence Livermore National Laboratory reader comments 45 Share this story This week, scientists at the Lawrence Livermore National Laboratory (LLNL) released another 62 declassified nuclear explosion test videos on the lab’s YouTube channel. These videos follow an earlier batch […]

Read more

Photosynthesis before oxygen may have kept the early Earth warm

Photosynthesis. Petr Pakandl / WikiCommons reader comments 8 Share this story “The so-called ‘faint young Sun paradox’ has long been a topic of debate because its resolution bears important ramifications for the basic factors structuring climate regulation and the long-term habitability of Earth and Earth-like exoplanets.” So begins Chris Reinhard’s new paper in Nature. Reinhard […]

Read more

Ars Technica System Guide: December 2017

Enlarge Aurich / Getty reader comments 206 Share this story In classic Ars system guides, we assumed that everybody wants the same thing out of a computer—the only question is how much you spend. And in that case, the beloved “Budget Box / Hot Rod / God Box” classifications made a lot of sense. In […]

Read more

NASA and Amiga history meet in an eBay listing

reader comments 24 Share this story A beautiful friendship: Amiga 2500 boasting some NASA seals. eBay seller vrus Seller vrus writes that there are two specialized cards on this machine installed to read/write telemetry data. “One is called an Amiga 2000 Serial Interface, and the other is an Amiga 2000 Remote DMA Output Controller. They […]

Read more

Energy Secretary Perry agrees to extension on pro-coal, nuclear rulemaking

Enlarge / WASHINGTON, DC – JANUARY 19: Former Texas Governor Rick Perry, President-elect Donald Trump’s choice as Secretary of Energy, testifies during his confirmation hearing before the Senate Committee on Energy and Natural Resources on Capitol Hill January 19, 2017 in Washington, DC. (Photo by Aaron P. Bernstein/Getty Images) Getty Images reader comments 81 Share […]

Read more

A sea of calm behind the wheel: The 2018 Audi Q5, reviewed

Enlarge Marlowe Bangeman reader comments 33 Share this story The Q5 has long been one of Audi’s best-selling models in the US. And what’s not to like? It’s a respectable-looking and functional mid-size crossover, slotting in between the bite-size Q3 and the three-row Audi Q7. With a base MSRP of $42,475, the Q5 competes with […]

Read more
Page 1 of 2512345...1020...Last »