NASA’s Engines and Possible Speed of Light Propulsion? August 28, 2020 Usaadmin Sci Tech NASA's Engines and Possible Speed of Light Propulsion?NASA's Engines and Possible Speed of Light PropulsionNew propulsion technology is explained and the most advanced the ion engine, which in theory can propel a spacecraft nearing the speed of light, and will be used to send humans to different planets within daysNASA's Game Changing Development Program is developing new batteries, fuel cells and solar electric propulsion systems to move man and machine through space.Posted by Science & Space on Saturday, August 8, 2020 Sci-Tech New propulsion technology is explained and the most advanced the ion engine, which in theory can propel a spacecraft nearing the speed of light, and will be used to send humans to different planets within days. Credit Science & Space