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Another Mind-bending, Useless Statement about Time
By Brian | March 31, 2009 | Share on Facebook
We’ve all heard or seen statements like this, typically around New Year’s Eve, when the almighty “they” decide we need a leap second:
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.
Here’s the mind-bending part:
This means that in the time of the dinosaurs, the day was just 23 hours long.
I never thought about it that way…
(Source)
Topics: Random Acts of Blogging | 4 Comments »
Not only that, turns out they were all in the oil business…
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