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1,490,861 results
A Styrofoam cup is placed in a Petri dish of acetone. The cup seems to have disappeared. How does that work? Watch the video ...
44,646 views
12 years ago
Here! New Version(2019): https://youtu.be/HpORDk5KvMM It's better to understand how to make this is made!! Tinkercad Basic ...
534,967 views
8 years ago