Does Gravity Require Extra Dimensions?
Season 6 Episode 17 | 12m 41s | Video has closed captioning.
It’s been 120 years since Henry Cavendish measured the gravitational constant with a pair of lead balls suspended by a wire. The fundamental nature of gravity still eludes our best minds - but those secrets may be revealed by turning back to the Cavendish experiment. That steampunk contraption may even reveal the existence of extra dimensions of space.
Problems Playing Video? | Closed Captioning