Tea powered engine!

Описание: Ever seen a machine run on a cup of hot tea?
This is a Stirling Engine — it spins using nothing but heat!
No battery, no electricity, just pure science magic.
Watch how heat expands the air and makes the wheel rotate.
Simple concept… stunning result!
If you love simple science, toys, and physics wonders, follow for more! See you in the next video. Thereare many types of Stirling engines.
Lookfor them soon.