Here is a cool stirling engine powered by your hot coffee and tea. It is a compact design and easily fits on a standard mug. Simply make sure your tea or coffee is hot, and the rest is easy. After a few minutes, the engine comes to life and keeps going as long as your drink is hot.
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This tea powered engine doesn’t require any assembly. You can further experiment with this by putting a cup of hot water underneath and small ice cubes on top.
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