7 -- One second used to be defined as 1/86,400 the length of a day. However, Earth’s rotation isn’t perfectly reliable. Tidal friction from the sun and moon slows our planet and increases the length of a day by 3 milliseconds per century.
8 -- This means that in the time of the dinosaurs, the day was just 23 hours long.
Sacks: Trump cutting through panic over AI
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The chair of the president’s Council of Advisors on Science and Technology
endorsed Lina Khan’s recent assertions that existing liability laws can
address ...
2 days ago
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