How to Cool Beer Using a Slingshot
When you stretch a rubber band it heats up. When you relax it, it cools. Using this principle, Germany-based Jörg Sprave of The Slingshot Channel demonstrates how to cool beer with a mini-trebuchet in this video.
When you stretch a rubber band it heats up. When you relax it, it cools. Using this principle, Germany-based Jörg Sprave of The Slingshot Channel demonstrates how to cool beer with a mini-trebuchet in this video.
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Video is a bit long but sorta interesting. I still don't understand how it cools the beer. Anyone wanna explain it like I'm five?