The Department of Homeland Security, ever the least controversial branch of the US Government, is developing a new laser-based scanner that can scan targets at a molecular level to read what they had for breakfast, how much adrenaline is pumping through their body and whether you they have any trace amounts of drugs or gunpowder on them. It’s the next generation of airport security, and it will all work without touching you. Maybe even without your knowledge. The technology is going to hit airports in about two years so we’ll all want to start making sure we didn’t eat anything embarrassing for breakfast before we fly …