A Plasma Rocket Engine May Get Us To Mars In 40 Days (Elon Musk, Are You Listening?)

In his new book, "To Mars and Beyond - Fast," seven-time Shuttle astronaut Franklin Chang Diaz explains the 40-days-to-Mars high concept in layman's terms. But will it work?

from Forbes Real Time http://www.forbes.com/sites/jimclash/2017/07/06/a-plasma-rocket-engine-may-get-us-to-mars-in-40-days-elon-musk-are-you-listening/
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