Convection current demonstration - GIF

Convection current demonstration.

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Previously:

https://www.homemadetools.net/forum/...651#post209501
https://www.homemadetools.net/forum/...512#post200984
https://www.homemadetools.net/forum/...458#post200680
https://www.homemadetools.net/forum/...271#post230823
https://www.homemadetools.net/forum/...775#post232304

You getting paid for that...

They might be onto something there, if we get a big enough bag and enough loaves of bread we might be able to lift a human!