Experiment demonstrates quantum mechanical effects from biological system

Using green fluorescent proteins obtained from Escherichia coli, researchers have demonstrated quantum mechanical effects from a biological system.

By modeling biological molecules over longer timescales, a new algorithm can help better understand diseases

Proteins, the ubiquitous workhorses of biochemistry, are huge molecules whose function depends on how they fold into intricate structures. To understand how these molecules work, researchers use computer modeling to calculate how proteins fold.

Quantum waltz of electrons hints at the next generation of chips

Researchers have successfully measured some of the quantum properties of electrons in two-dimensional semiconductors. This work in the field of spintronics could one day lead to chips that are not only smaller but that also generate less heat.

NASA Invites Media to Orion Spacecraft Parachute Test in Arizona

NASA is inviting media to attend a test of parachutes for the agency’s Orion spacecraft Wednesday, Dec. 13, at the U.S. Army’s Yuma Proving Ground in Arizona.

Towards a continuous atom laser

Ever since its invention, the laser has been an invaluable tool in physics. It is expected that an atom laser -- with the light waves replaced by the quantum waves of atoms -- could have similarly important applications, for example in constructing ultra-precise clocks. A research team has now made important progress towards the creation of the first continuous atom laser.

Galileo's free-falling objects experiment passes space test further proving equivalence principle

A team of researchers from the French Aerospace Lab and at the Côte d'Azur Observatory working on France's MICROSCOPE satellite project has further confirmed the equivalence principle by recreating Galileo's free-falling objects experiment in a satellite. In their paper published in the journal Physical Review Letters, the group describes their experiment and why it was carried out.

Champagne bubble acoustics and size distribution may provide details about wine quality

The classic sparkling wine that has rung in countless new years with a bang may have more to its bubbles. Champagne is notable for its iconic cork popping, but the bubble acoustics also play a key role in determining how expensive that bottle should be.

Team devises rapid test for vitamin A, iron deficits

Cornell engineers and nutritionists have created a swift solution for a challenging global health problem: a low-cost, rapid test to detect iron and vitamin A deficiencies at the point of care. Their work was published Dec. 4 in the Proceedings of the National Academy of Sciences.

Researchers quantify factors for reducing power semiconductor resistance by two-thirds

A research group in Japan announced that it has quantified for the first time the impacts of three electron-scattering mechanisms for determining the resistance of silicon carbide (SiC) power semiconductor devices in power semiconductor modules. The university-industry team has found that resistance under the SiC interface can be reduced by two-thirds by suppressing electron scattering by the charges, a discovery that is expected to reduce energy consumption in electric power equipment by lowering the resistance of SiC power semiconductors.

CEBAF begins operations following upgrade completion

The world's most advanced particle accelerator for investigating the quark structure of matter is gearing up to begin its first experiments following official completion of an upgrade to triple its original design energy. The Continuous Electron Beam Accelerator Facility (CEBAF) at the Department of Energy's Thomas Jefferson National Accelerator Facility is now back online and ramping up for the start of experiments.


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