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Archive: 12/04/2006

Water acts as a 'light switch' on photonic circuits

Using water to “write” light, scientists have designed a photonic circuit inside a photonic crystal that combines several optical elements. As the optical equivalent of an electronic circuit, this design marks ...

Physics / General Physics

created Dec 04, 2006 | popularity 4.4 / 5 (41) | comments 0 feature

Jackson Pollock's art and fractal analysis

Can mathematics explain the art of Jackson Pollock? Can it be used to authenticate paintings of uncertain provenance? Case Western Reserve University physicists address these questions in the current issue of Nature. ...

Physics / General Physics

created Dec 04, 2006 | popularity 3.8 / 5 (33) | comments 0

Invention could solve 'bottleneck' in developing pollution-free cars

Hydrogen-powered cars that do not pollute the environment are a step closer thanks to a new discovery which promises to solve the main problem holding back the technology. Whilst hydrogen is thought to be an ideal fuel for ...

Chemistry /

created Dec 04, 2006 | popularity 4.4 / 5 (36) | comments 0

How to herd atoms

It has long been known that it is possible to confine electrons or atoms in atomic structures in the same way as sheep can be shut in a pen. Physicists at the Max Planck Institute for Microstructure Physics ...

Physics / General Physics

created Dec 04, 2006 | popularity 4.5 / 5 (11) | comments 0

'Super' enzyme may lead way to better tumor vaccines

A "super" form of the enzyme Akt1 could provide the key to boosting the effect of tumor vaccines by extending the lives of dendritic cells, the immune-system master switches that promote the response of T-cells, which attack ...

Medicine & Health / Medical research

created Dec 04, 2006 | popularity 3.8 / 5 (4) | comments 0

Molecular 'marker' on stem cells aids research, perhaps therapies

A sugar molecule present on embryonic stem cells also has been found on the surface of a type of adult stem cell, a discovery that may help researchers isolate and purify adult stem cells for use in therapies aimed at bone ...

Medicine & Health / Medical research

created Dec 04, 2006 | popularity 3.2 / 5 (6) | comments 0

Researchers discover hydrogen can form multicenter bonds

Researchers at the University of California, Santa Barbara have shown that, under the right circumstances, hydrogen can form multicenter bonds, where one hydrogen atom simultaneously bonds to as many as four or six other ...

Physics / Condensed Matter

created Dec 04, 2006 | popularity 4.2 / 5 (25) | comments 0

Catching the wave -- Researchers measure very short laser pulses

Scientists have perfected a technique for very accurately measuring and controlling the electromagnetic waves within some of the shortest laser pulses ever made, says new research published today. Being able ...

Physics / General Physics

created Dec 04, 2006 | popularity 4.5 / 5 (12) | comments 0


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