#author("2022-07-10T08:04:04+09:00","","") A 4-Billion-Year-Old Piece of Earth's Crust Has Been Identified Beneath Australia - ScienceAlert Scientists can use various clues to figure out what's under Earth's surface without actually having to do any digging – including firing super-fine lasers thinner than a human hair at minerals found Author : David Nield #technology #tech #innovation #engineering #business #iphone #technews #science #design #apple #gadgets #electronics #android #programming #software #smartphone #samsung #instagood #coding #computer #pro #instatech #education #security #gadget #mobile #instagram #technologynews #HATINC READ MORE : https://hatinco.com/scientists-use-laser-light-to-spot-a-4-billion-year-old-piece-of-earth-s-crust.htm