Interesting Engineering on MSN
World-first light propulsion 'metajets' could enable 20-year mission to Alpha Centauri
Using even the most advanced rocket propulsion technologies available today, it would take billions ...
In this fifth part of my interview series with Bob Lazar, he discusses the elusive Element 115 - and lists what he believes are past threats to his wellbeing.
Physicist Richard Feynman argued that fundamental limits of physics, biology, and time make interstellar contact between civilizations effectively impossible. He cited vast distances, the speed of ...
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