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This question has been on everybody’s minds (right?) since the beginning of the Star Trek Original Series and now the famous physicist Michio Kaku gives you the answer.

Today, Dr. Kaku addresses a question posed by Serge Andrew Shpad: Is a photon engine possible? Could it be used to power a spaceship?”

“Michio Kaku (加來 道雄 Kaku Michio?, born January 24, 1947) is a Japanese American physicist, the Henry Semat Professor of Theoretical Physics in the City College of New York of City University of New York, the co-founder of string field theory, and a “communicator” and “popularizer” of science. He has written several books on physics and related topics, he has made frequent appearances on radio, television, and film, and he writes extensive online blogs and articles.”

(Via BigThink)