Marvin & Milo

Take the money

Take the money



What you need:

A narrow-necked glass bottle

An old bank note

A table



Balance the bottle upside down on the bank note.

Try whisking the note away without tipping the bottle over. What happens?

Gradually roll the note very tightly towards the bottle. Start gently nudging the bottle with the note as you reach it. Keep rolling the note.

Results & explanation

You can remove the note safely. Friction between the bottle and note makes the note pull the bottle with it, but you counteract this by supplying a small force in the opposite direction through nudging it a little as you roll.

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