خلاصہ: Tiny Probes Can Surf Sunlight to Explore Earth’s Mesosphere and Mars
With no fuel or engines, tiny explorers will surf sun-warmed air alone to explore high in the skies of Earth and Mars
Source Information
Publisher: Scientific American
Original Source: Read More 
https://www.scientificamerican.com/article/tiny-probes-can-surf-sunlight-to-explore-earths-mesosphere-and-mars/
