'Helical Engine' Concept Could Reach 99% the Speed of Light - discu.eu

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'Helical Engine' Concept Could Reach 99% the Speed of Light https://ntrs.nasa.gov/search.jsp?R=20190029657 9 comments 22/10/2019

Reddit

NASA Engineer Claims 'Helical Engine' Concept Could Reach 99% The Speed of Light https://www.sciencealert.com/no-this-new-space-engine-isn-t-going-to-break-physics 9 comments 16/10/2019 technology