/r/BeAmazed
posted by
/u/Mass1m01973
15 uncoupled pendulums of increasing lengths dance and produce visual traveling waves, standing w...
over 6 years ago
Upvote: 35584
Buy score: 26
Top keywords:
- "can i buy this" : 12
- "where can i buy this" : 12
- "i'd buy" : 1