VeriFone signs taxi ad deal with NBC

(AP) -- Cab riders in New York and other big cities may soon be able to buy movie tickets and other items while in taxis, paying with the same system that charges credit cards for cab fare.

Manipulating transistors at terahertz frequencies

An interdisciplinary team at the Ruhr-Universität Bochum has found a way of accessing the interior of transistors. The researchers have manipulated the electron gas contained within by applying resonators to generate rhythmic ...

Making terahertz waves: Why liquids prefer long optical pulses

Laser-induced ionization in matter—gas, cluster, liquid, and solid—occurs when a laser pulse with sufficient intensity is focused into a target material, creating electrons and ions through nonlinear processes of laser-matter ...

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