The Cavendish experiment and G

A description of the Cavendish experiment and the gravitational constant G, as well as a demonstration of the experiment using time lapse.
Link to shortened submission version: https://www.youtube.com/watch?v=ZiqTkpSh52g
Link to derivation explanation:
goo.gl/Y1g3vy

Видео The Cavendish experiment and G канала Genevieve