mopatin | Thermal Expansion Experiment Trick @tinkerbit | Uploaded 11 years ago | Updated 2 minutes ago
Channel Page: http://www.youtube.com/user/mopatin
Twitter: twitter.com/mopatin
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How to detect the tiny expansion of a metal bar when heated. I use a needle as a roller that moves a straw.
Channel Page: http://www.youtube.com/user/mopatin
Twitter: twitter.com/mopatin
Google + : http://www.google.com/+mopatin
How to detect the tiny expansion of a metal bar when heated. I use a needle as a roller that moves a straw.