Genius by Stephen Hawking

Replicating the Big Bang on Ice

Clip: Episode 4 | 5m 24s | Video has closed captioning.

The volunteers take to the ice to find a way to use the balloons and leaf blowers to re-create how the galaxies are moving. They recruit the help of a team of hokey players and discover that the players further away from the centre are moving away faster. What does this tell them about the expansion of the universe?