52
654 days ago
And the winning idea for this week's video is... ion wind propeller thingy! Chosen by which idea works first :)
Vid maker, teacher, mad scientist, builds stuff, explains it all! Website: http://t.co/4biCLR5Qvj
52
654 days ago
And the winning idea for this week's video is... ion wind propeller thingy! Chosen by which idea works first :)
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