Nov 30, 2018 · make a simple pendulum from a coin and agree with your friends that clockwise means “yes” and anticlockwise means “no. ” now give the pendulum as it swings to one of.
/30: This Simple Technique Will Blow Your Mind
Nov 30, 2018 · make a simple pendulum from a coin and agree with your friends that clockwise means “yes” and anticlockwise means “no. ”...