Does Gravity Require Extra Dimensions?
PBS Space Time · Season 2020 · Episode 19
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.
Episode Details
Air date, runtime, timezone, and episode position.
Season
2020
Episode
19
Air Date
27/May/2020
Air Time
12:00
Runtime
17 min
Overview
Episode summary.
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.
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