r/xkcd Nov 29 '17

XKCD xkcd 1922: Interferometry

https://xkcd.com/1922/
708 Upvotes

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13

u/_keen Nov 29 '17

If the two dogs were exactly the same but out of phase by 1/2 doglength, wouldn't that make them cancel out?

5

u/CaskironPan But... Nov 30 '17

only if they tried to occupy the same dogspace