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Re:Making a Googol:1 Reduction with Lego Gears [video] by aequitas on Thursday July 16, 2020 @06:09AM (#23857449)
The friction of one wormgear is already enought to prevent rotation in the other direction. But with this many, impossible.

I also doubt if any of the gears except for the first ones rotate at all before the first gears are worn through, let alone before the battery to run out.

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