The Future of Humanity: Terraforming Mars, Interstellar Travel, Immortality, and Our Destiny Beyond Earth by Michio Kaku

Author:Michio Kaku
Language: eng
Format: mobi, azw3, epub
ISBN: 9780385542760
Publisher: Knopf Doubleday Publishing Group
Published: 2018-02-20T08:00:00+00:00

The Alcubierre drive goes faster than light, using Einstein’s equations. But it is still controversial whether such a starship can be built.  Credit 7

Physicists then tried to calculate the amount of negative matter or energy necessary to propel a starship. The latest results indicate that the amount required is equivalent to the mass of the planet Jupiter. This means that only a very advanced civilization will be able to use negative matter or energy to propel their starships, if it is possible at all. (However, it is possible that the amount of negative matter or energy necessary to go faster than light could drop, because the calculations depend on the geometry and size of the warp bubble or wormhole.)

Star Trek gets around this inconvenient hurdle by postulating that a rare mineral called the dilithium crystal is the essential component of a warp drive engine. Now we know that “dilithium crystals” may be a fancy way of saying “negative matter or energy.”

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