Neanのブックマーク - はてなブックマーク

Switzerland's 20 Million kWh 'Water Battery' Is Now Operational - Slashdot

Posted by BeauHD on Wednesday July 06, 2022 @03:00AM from the renewable-energy dept. A 900 MW 'water battery' that cost Switzerland 2 billion euros and was under construction for 14 years, is now operational, Euronews reported. The battery is located nearly 2,000 feet (600 m) underground in the Swiss Alps. Interesting Engineering reports: A water battery consists of two large pools of water locate

Nean 2022/07/08

energy

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Using a Bomb Robot to Kill a Suspect Is an Unprecedented Shift in Policing - Slashdot

Nean 2016/07/10

robot

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Slashdot

Nean 2014/03/02

nuclear

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4K Is For Programmers - Slashdot

Nean 2014/01/12

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A War Over Solar Power Is Raging Within the GOP - Slashdot

Nean 2013/11/24

energy

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Bill Gates Acknowledges Ctrl+Alt+Del Was a Mistake - Slashdot

Posted by timothy on Thursday September 26, 2013 @09:28AM from the tilde-backspace-left-arrow-was-taken dept. theodp writes "If he'd had his druthers, Bill Gates told a Harvard audience, Ctrl+Alt+Del would never have seen the light of day. However, an IBM keyboard designer didn't want to give Microsoft a single button to start things up, and thus the iconic three-finger-salute was born."