Seeing how fast a vibration travels through a solid medium.
WATCH THE VIDEO
The difference between an (almost) elastic and an (almost) inelastic collision.
Watch The Video:
Throws a ball straight up in your own reference frame and you will catch it on the way down.
WATCH THE VIDEO
This rocket uses pressurized water as a propellant!
Watch The Video:
When bent repeatedly, a coat hanger heats up and eventually break!
Watch The Video:
