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Destroyable City

keperitan 3 comments

Using heat to represent voltage

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heater

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Types of Lighters

keperitan 2 comments

electronics

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wind tunnels

keperitan 0 comments

how to make a super laser

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soap grid

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tiny three-way laser

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GOO white noise

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light triggered bomb

keperitan 3 comments

floating layers

keperitan 0 comments