The airport security scanner that knows what you ate for breakfast

The Department of Homeland Security is reportedly developing a new scanner that can detect everything from traces of gun powder to adrenaline levels

If the TSA's full body scanners already make you nervous, you may want to cancel your travel plans: A new kind of body scanner, which could be in airports within a year or two, uses a laser t
(Image credit: David McNew/Getty Images)

"If the TSA's full body scanners make you nervous," says Marc Georges at Mashable, "the Department of Homeland Security's new molecular scanner may have you locking yourself at home and ordering in for the rest of your life." The government has teamed up with a subcontractor to produce a new laser scanner that can detect "traces of drugs or gun powder on your clothes," says Gizmodo, as well as the egg sandwich you had for breakfast and the adrenaline level in your body — all "without you knowing it." The new scanner is reportedly slated for use in airports and border crossings, but could have other applications as well. Here, a guide to this high-powered addition to the government's security arsenal:

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