
PBS Space Time - Season 2020 Episode 19 Does Gravity Require Extra Dimensions?
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.
- Year: 2025
- Country: United States of America
- Genre: Documentary, Talk
- Studio: YouTube
- Keyword: astrophysics, science and technology
- Director:
- Cast: Matthew O’Dowd