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(PhysOrg.com) -- Physicists have demonstrated a system in which light is used to control the motion of an object that is large enough to be seen with the naked eye at the level where quantum mechanics governs its behavior.

Knowing how to control the combined magnetic properties of interacting electrons will provide the basis to develop an important tool for advancing spintronics: a technology that aims to harness these properties for computation and communication. As a crucial first step, Naoto Nagaosa from the RIKEN Advanced Science Institute, Wako, and his colleagues have derived the equations that govern the motion of these magnetic quasi-particles.

Knowing how to control the combined magnetic properties of interacting electrons will provide the basis to develop an important tool for advancing spintronics: a technology that aims to harness these properties for computation and communication.

This evening, hours after Megaupload was busted by federal authorities, Anonymous began a massive retaliatory attack that forced the websites of the Justice Department, the U.S.

Apple, Nokia and Research In Motion (RIM) gave Indian intelligence agencies secret access to encrypted smartphone communications as the price of doing business in the country, according to what appear to be leaked Indian government documents. [More]

(PhysOrg.com) -- By measuring the motion of a vibrating, porous membrane separating water and air, researchers from the NIST Center for Nanoscale Science and Technology, the NIST Physical Measurement Laboratory, the University of Maryland, and Boston University have revealed a new regime of fluid behavior near solid surfaces that has not been previously observed.

(PhysOrg.com) -- A research group led by ETH Zurich has now, for the first time, visualized the motion of electrons during a chemical reaction. The new findings in the experiment are of fundamental importance for photochemistry and could also assist the design of more efficient solar cells.

By Larry Dignan Research in Motion's rolling global outages could be a major body blow for a company looking to get off the mat. [More]

Whether they know it or not, anyone who's ever gotten a speeding ticket after zooming by a radar gun has experienced the Doppler effect – a measurable shift in the frequency of radiation based on the motion of an object, which in this case is your car doing 45 miles an hour in a 30-mph zone.