[​IMG]

[​IMG]

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Bubble

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Gears on gears.

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Satisfaction - Imgur

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science side of tumblr shots

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13 Things I Found on the Internet Today (Vol. CXLV

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Mercury thiocyanate decomposition

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What Alka-Seltzer and water looks like in zero gravity: | 21 GIFs That Are Actually Worth Looking At

What Alka-Seltzer and water looks like in zero gravity: | 21 GIFs That Are Actually Worth Looking At

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