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Air current, Interesting
13-May-2020 Wednesday
When we ran out of flower names...
larkis12
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When we ran out of flower names...
Web design
Interesting
What color
16-January-2020 Thursday
Interesting electric bike
Deathman
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Interesting electric bike
A bike
Video
Interesting
05-October-2016 Wednesday
Air flow in granular media
Chemicat
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Air current
GIF
Pellets
Interesting
Bulk materials
Physics
v20240901