01:36
How Tides Work
Renowned oceanographer and geophysicist Walter Munk talks about the role of gravity and the Moon in tidal processes. He also discusses early ideas about tides in the days before Sir Isaac Newton developed his theory of gravity.
01:00
The Moon, The Sun and Tides
Renowned oceanographer and geophysicist Walter Munk talks about the relative roles of the Sun and the Moon in tidal processes. He observes that, over time, the Moon is moving further away from the Earth. While the gravitational impact of the Moon is...