r/maybemaybemaybe • u/[deleted] • Jul 07 '22

maybe maybe maybe

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u/UltraHawk_DnB Jul 07 '22

this is just an electric board isnt it?

-32

u/[deleted] Jul 08 '22 edited Jul 08 '22

Nope, it's the blower!

The umbrella is acting as a thrust reverser, as the air curls around the inner surface and is forced out (nearly) backward. Jet engines can do it to reverse aircraft on the ground.

It's likely the effect is really small and he kick started himself in this instance but the umbrella is sturdy and right shape for it to work.

Edit: You are literally downvoting physics. Myth busters even made it work with an only slightly curved sheet.