200212-N-NO204-433 INTERNATIONAL SPACE STATION (Feb. 12, 2020) NASA astronaut Jessica Meir demonstrates how the LEctenna�, a light-emitting rectifying antenna constructed by the U.S. Naval Research Laboratory, converts electromagnetic waves into electric current on the International Space Station. Similar technology could be used on the Earth�s surface to convert electromagnetic waves beamed from space-based solar arrays. (U.S. Navy photo courtesy of NASA/Released)