Todd Sampson's Life On The Line
Conservation of Energy
S1 E4:
Todd Sampson puts the law of conservation of energy to the ultimate test by releasing a one-tonne wrecking ball inches from his face. With the help of astrophysicist Dr Alan Duffy, Todd explores one of physics' fundamental laws with the destructive power of a giant pendulum � a one-tonne mass of steel swinging on a 13-metre chain.