gyro

gyroscopic

xmas

merry christmas!

vine

dank

dudes

jenko

channing tatum

21 jump street

fuck you science!

paul mccartney - a wonderful christmas time

intersteller

walter hendrik gustav lewin

walter lewin

engineering

walter lewin physics

funny shorts

four

4

coriolis effect

21 jump street (2012)

education

science

toilet spin

toilet flush

southern hemisphere

northern hemisphere

coriolis force

coriolis effect

ball earth

round earth

flat earth