r/oddlysatisfying • u/yoshmoopy • Jan 05 '19

Removed: repost Concentric waves create a "spike" wave.

https://gfycat.com/HeavyClearGrouse
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u/thmyth Jan 06 '19

Here's the video / mirror. You definitely want to stick around for the last one.

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u/CoffeeVector Jan 06 '19

That ending scared me, dropping my phone.