Stephen Hawking Was Wrong—Extremal Black Holes Are Possible

September 15, 2024 Steve Nadis

For decades, a black hole that has as much spin or charge as it can given it mass was considered mathematically impossible. A new proof reveals otherwise.

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The Best Audiophile Gear (2024): Headphones, Speakers, Amps, DACs
The Best Audiophile Gear (2024): Headphones, Speakers, Amps, DACs

Ready to get the best sound quality of your life? From speakers and headphones to streaming amps, here are ...

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Best Natural Sleep Aids (2024), Tested and Reviewed
Best Natural Sleep Aids (2024), Tested and Reviewed

I tested an array of alternative sleep aids, from CBD capsules to mushroom chocolate to bath bombs, to see ...