i-have-a-brain100

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pressure bomb

i-have-a-brain100 0 comments

straight 4 engine

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electronics thingy

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photon laser

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OR, NOT, and BUFFER gates

i-have-a-brain100 1 comments

organm

i-have-a-brain100 10 comments

low effort steam engine

i-have-a-brain100 6 comments