Press outlets around the world were bowled over last week by an especially lite news item: The announcement that researchers at several California universities and HRL Laboratories managed to create the world’s lightest material, “metallic micro lattice,” which has a density of 0.9 mg per cubic centimeter, about 100 times lighter than styrofoam. Their breakthrough is described in a paper published in the journal Science (paywall).
This is a companion discussion topic for the original entry at https://talkingpointsmemo.com/?p=104237