Lightest Metal Ever Is 99.9 Percent Air
When you purchase through link on our internet site , we may pull in an affiliate commission . Here ’s how it works . How do you build the world ’s lightest metal ? Make it mainly from air , according to scientists . The fabric , known as a " microlattice , " was developed by scientists at HRL Laboratories in Malibu , California , which is co - have by Boeing and General Motors ....