LightSail And Tech Like It Could Give Space Travel A Boost LightSail is a proof-of-concept solar sail from The Planetary Society. It’s the latest of several tests of solar propulsion technology. Facebook Prev Article Next Article Discover Checkout these cool gadgets... Related Posts Recent Discoveries That Could Change Our Past What Did Prehistoric Humans Actually Eat? Earth “Ate” Another Planet Early In Its History Compilation of UFO Sightings – 2009 to 2011 What Is The Speed of Dark? How Exactly Does Smoking Kill?