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#engineering
followers: 36
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Marble Machine X’s first working song
veen
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veen
video
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#music
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#engineering
This is the coolest SpaceX landing clip yet
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gfycat.com
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#space
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#engineering
HZ-1 Aerocycle
thenewgreen
5
caio
wikipedia.org
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#engineering
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#helicopter
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#helicopter
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