Scientists using carbon nanotubes to detect chemical weapons, explosives

Airport screening might become an easier process – for the screeners and the screenees – if things go the way University of Illinois Professor Michael Strano and colleagues plan.

Think simply walking down the hallway to your flight through a network of tiny sensors you don't see, which can sniff out even molecular-scale indications of explosives accurately, reliably and in real time as you and other passengers pass by.

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