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Life Sciences
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Written by xScience.Info
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Friday, 15 September 2006 |
 Scientists from University of Michigan looked to ferns to create a novel energy
scavenging device that uses the power of evaporation to move
itself --- materials that could provide a method for powering micro and
nano devices with just water or heat.
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Physics and Astronomy
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Written by xScience.Info
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Thursday, 14 September 2006 |
 Particle Acceleration by Stimulated Emission of Radiation (PASER for Short), a sort of particle analog of the laser process, has been demonstrated, for the first time, by a team of physicists from the Technion-Israel Institute of Technology using the accelerator facilities at the Brookhaven National Lab.
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Life Sciences
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Written by xScience.Info
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Tuesday, 12 September 2006 |
 On 8th September 2006, the journal Science published a paper showing
how MRI (Magnetic Resonance Imaging) had revealed how a patient in a vegetative state seemed capable
of understanding and responding to certain commands. Mass media
attention ensued, triggering an important debate regarding how medicine
should or should not treat such patients given that this particular
patient was apparently conscious yet outwardly unconscious and
unresponsive.
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Mathematics, Simulations, Modeling
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Written by xScience.Info
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Monday, 11 September 2006 |
 Researchers at Purdue University have created a simulation that uses
scientific principles to study in detail what likely happened when a
commercial airliner crashed into the World Trade Center's North Tower
on Sept. 11, 2001.
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Experimental Methods and Techiques
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Written by xScience.Info
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Thursday, 07 September 2006 |
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Adjustable
diffraction gratings made of tiny artificial muscles could bring
more lifelike colors to TVs and computer displays, physicists at
the Swiss Federal Institute of Technology (Eidgenössische Technische Hochschule, or ETH) in Zurich, Switzerland
show in the September 1 issue of Optics Letters.
In ordinary
displays such as TV tubes, flat-screen LCDs, or plasma screens, each
pixel is composed of three light-emitting elements, one for each of
the fundamental colors red, green, and blue. The fundamental colors
in each pixel are fixed, and only their amounts can change -- by
adjusting the brightness of the color elements -- to create different
composite colors. That way, existing displays can reproduce most
visible colors, but not all. For example, current displays do not
faithfully reproduce the hues of blue one can see in the sky or in
the sea, says Manuel Aschwanden.
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