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by scrlk 317 days ago
I'm reminded of Grace Hopper's famous nanoseconds lecture: https://youtu.be/gYqF6-h9Cvg?t=78
2 comments
HPsquared 317 days ago
1 ns * c = 1 ft, to put in perspective: 7 μs * c is 1.3 miles.

(Protip: just type "7 μs * c in miles" into Google)

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chasd00 317 days ago
7 μs is also the time it takes light to travel about 1,400 Ariana Grandes.
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rkomorn 317 days ago
In which direction? Presumably side to side?
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jjk166 317 days ago
Due to relativity the length of Ariana Grande will appear to change such that all observers agree on the same speed of light.
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rkomorn 317 days ago
But... https://en.wikipedia.org/wiki/Side_to_Side
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LosAlamosNerd 317 days ago
Oh, I haven't watched that before.
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