Marc G. Millis headed NASA's Breakthrough Propulsion Physics Project and took an early retirement to continue this work as part of the interstellar research activities of the Tau Zero Foundation. He contributed this article to SPACE.com’s Expert Voices: Op-Ed & Insights.
Another "Star Trek" film just hit the screen — featuring the venerable Starship Enterprise. To enable such fantastical star flight, we need faster-than-light (FTL) flight, control over inertial and gravitational forces, extreme energy prowess, and the societal discipline to harness that much power safely. Between the sensationalistic hype and pedantic disdain, how much progress is really being made?
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