Long-wavelength laser will be able to take medicine fingerprints

A laser capable of working in the terahertz range – that of long-wavelength light from the far infrared to 1 millimetre – enables the 'fingerprint' of, say, a drug to be examined better than can be done using chemical ...

Workshop offers geeks industrial-strength toys

(AP) -- In the tech-obsessed South of Market neighborhood that digital sensations like Twitter and Zynga call home, a newfangled workshop for would-be inventors blends a startup sensibility with the area's historic manufacturing ...

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