Your carry-on luggage and electronics are already intimately familiar with airport X-ray machines. But just when you thought wait times couldn't get any longer, they may one day be subjected to another check: bomb-detecting lasers.
Researchers at Michigan State University have developed a low-energy laser that can pick up minute amounts of chemical explosives on luggage and clothing.
Doubtless we would all love to see raygun-wielding TSA staff, but the bomb-detecting light would probably be used in a conveyor-belt system. … Read more