Beyond Einstein: The Cosmic Quest for the Theory of the Universe by Michio Kaku

Author:Michio Kaku [Kaku, Michio]
Language: eng
Format: azw3, epub
Tags: Future Studies, Supergravity, Superstring theories, Astrophysics & Space Science, Cosmology, Physics
ISBN: 9780192861962
Publisher: Anchor
Published: 1995-09-01T18:30:00+00:00

All objects have spin, or angular momentumeverything from galaxies (which may take millions of years for one rotation) to subatomic particles (which can rotate millions of times in just one second). Familiar objects such as a spinning top can spin at any rate. A record player, for example, can be adjusted to spin at 331/3 rpm as easily as 78 rpm with the flip of a dial.

However, in the quantum world, the spin of an electron does not occur in arbitrary amounts. Just like light, which can occur only in discrete bundles called photons, subatomic particles can spin only with certain amounts of angular momentum.

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