Real Engineering on MSN
The technology that lets spacecraft sail on light
Sailing on starlight sounds impossible, but it is real physics. Photons carry momentum, and when they strike a reflective sail, they can slowly push a spacecraft through space. This video explains how ...
During the Age of Sail, ships circled the globe on voyages of discovery and trade. That era ended in the 1800s, when coal-fired steam engines began to replace wind power. Now we may be entering a new ...
An experimental NASA solar sail can be seen in the night sky as it orbits the Earth. NASA's Advanced Composite Solar Sail System (ACS3) launched in April 2024 atop a Rocket Lab Electron rocket. The ...
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