Something amazing happens when you drop a stretched-out Slinky

paperslinky

Am. J. Phys. 80, 1051 (2012)

When you drop a Slinky, what falls to the ground first: the top, the bottom, or everything all at once?

Derek Muller, who created the popular YouTube channelVeritasium, first took on this puzzling physics question in a2011 video.

At the Google Science Fair on Monday, which Muller hosted, he repeated this demonstration on stage — and also with a giant, rainbow-colored Slinky he dropped from the top of the Googleplex.

So which is it? The result may surprise you.

First, make your bets on what you think will happen.

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