A Staple of Sci-Fi Space Travel Will Likely Remain a Fantasy

Physicists say an interstellar engine popularized in the '60s is technically feasible, but it would take a more advanced civilization to build one.

from Feed: All Latest https://ift.tt/3GgMkJZ
Physicists say an interstellar engine popularized in the '60s is technically feasible, but it would take a more advanced civilization to build one.

• Tweet
• Share
• Share
• Share
• Share