The nonnegligible lightness of gravity: physicists verify that even gravity itself has weight

Article Abstract:

An experiment devised by researchers Eric Adelberger, Blayne Heckel and Stefan Baessler of the University of Washington is used to establish the equivalence principal of gravity. The experiment proves that both the earth and the moon at identical rates toward the sun, with all distorting influences accounted for. A detailed description of the experiment is given.

Washington, Measurement, Earth, Gravity, Mass (Physics), Gravity (Force), Washington, University of

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Light manipulation

Article Abstract:

The development of several technologies to effectively impose extraordinary control over the emission of light from devices has been awarded the SciAm 50 Trends in Business, Policy and Research Award.

Integrated circuits, Computer scientists, Photonics, Light emission, Schubert, E. Fred, Tanabe, Takasumi, Vlasov, Yurii A.

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Computing with light

Article Abstract:

Researchers at the University of Rochester have shown that ordinary classical light waves can performa as well as one class of quantum computer.

Usage, Observations, Quantum theory, Quantum mechanics, Optical waveguides

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