In Pursuit of the Unknown by Ian Stewart

In Pursuit of the Unknown by Ian Stewart

Author:Ian Stewart [Stewart, Ian]
Language: eng
Format: epub, mobi
ISBN: 9780465029747
Publisher: Basic Books
Published: 0101-01-01T00:00:00+00:00


11

Waves in the ether

Maxwell’s Equations

What do they say?

Electricity and magnetism can’t just leak away. A spinning region of electric field creates a magnetic field at right angles to the spin. A spinning region of magnetic field creates an electric field at right angles to the spin, but in the opposite direction.

Why is that important?

It was the first major unification of physical forces, showing that electricity and magnetism are intimately interrelated.

What did it lead to?



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