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Graphene plasmonics beats the drug cheats

Wonder material graphene could help detect the presence of drugs or toxins in the body or dramatically improve airport security, University of Manchester researchers have found.

High hopes, hard realities for India's 35-dlr computer

The Indian government won headlines around the world when it unveiled a prototype 35-dollar tablet computer in July, but questions are now growing over whether the project is just a pipe dream.

Toward computers that fit on a pen tip

A prototype implantable eye pressure monitor for glaucoma patients is believed to contain the first complete millimeter-scale computing system.

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