The Science of 'Star Trek': How Close Are We?

Cruising across the galaxy faster than the speed of light. Getting "beamed up" from the surface of a planet to the deck of a spaceship. Battling aliens from far-flung worlds. Those ideas from the beloved "Star Trek" series have captured the public's imagination for nearly two generations. They've also grabbed the attention of leading physicists and astronomers who study the science that underlies much science fiction. Lawrence Krauss, a theoretical physicist and author of the "Physics of...Full Story
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