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Comment on Los Alamos is capturing images of explosions at 7 millionths of a secondparent

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I'm reminded of Grace Hopper's famous nanoseconds lecture: https://youtu.be/gYqF6-h9Cvg?t=78

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)

7 μs is also the time it takes light to travel about 1,400 Ariana Grandes.

In which direction? Presumably side to side?

Due to relativity the length of Ariana Grande will appear to change such that all observers agree on the same speed of light.

Oh, I haven't watched that before.

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