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scishow:  Why Do Boomerangs Come Back?Learning to throw a boomerang properly takes a lot of practice. And aerodynamics. 

published on: 2015-09-16 23:23:24

scishow:  Building a Dyson SphereWhat if an advanced civilization

scishow: Building a Dyson SphereWhat if an advanced civilization

1910-again:  August Strindberg, Celestograph 1894   Strindberg

1910-again: August Strindberg, Celestograph 1894 Strindberg

salon:  salon:     The outlook of mechanically-minded students

salon: salon: The outlook of mechanically-minded students

Unique Vintage

Unique Vintage

A Short History of Area 51's Shady Expansion

A Short History of Area 51's Shady Expansion

seinfeld:  “I had to take a sick day I’m so sick of these

seinfeld: “I had to take a sick day I’m so sick of these