"This laser-based scanner – which can be used 164-feet away — could read everything from a person’s adrenaline levels, to traces of gun powder on a person’s clothes, to illegal substances — and it can all be done without a physical search."

Instead of searching you by hand, they will now search you by laser. The latter sounds much more invasive since it has the potential to reveal a lot more information about you, much of which will be completely irrelevant to security.