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Interesting, triboluminescence
13-May-2020 Wednesday
When we ran out of flower names...
larkis12
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3 more images
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
12-May-2015 Tuesday
triboluminescence
Chemicat
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triboluminescence
GIF
Interesting
The science
Unusual
Glow
triboluminescence
Physics
Chemistry
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