A zero sum game

(PhysOrg.com) -- New light has been shed on the 150-year-old math puzzle known as the Riemann hypothesis, say mathematical physicists at the University of Sydney.

Japan quake may have shortened Earth days, moved axis

(PhysOrg.com) -- The March 11, magnitude 9.0 earthquake in Japan may have shortened the length of each Earth day and shifted its axis. But don't worry-you won't notice the difference.

Taking the mystery out of photosynthesis

(PhysOrg.com) -- An enigmatic protein system that uses sunlight and water to create fuel became a little less mysterious, thanks to scientists at Pacific Northwest National Laboratory, University of Michigan, and University ...

Soap films help to solve mathematical problems

Soap bubbles and films have always fascinated children and adults, but they can also serve to solve complex mathematical calculations. This is shown by a study carried out by two professors at the University of Malaga (Spain), ...

Resolving the high pressure phases of calcium

(PhysOrg.com) -- Significant experimental and theoretical work has been devoted to the electronic, structural and superconducting properties of calcium (Ca) at high pressure.

Lead-free piezoelectric materials of the future

Piezoelectric materials have fantastic properties: squeeze them and they generate an electrical field. And vice-versa, they contract or expand when jolted with an electrical pulse. With a name derived from the Greek word ...

Fundamental forces in protein structure revisited

(PhysOrg.com) -- Research scientists from Bristol have joined forces with colleagues from America to unravel one of the fundamental problems of molecular biology, paving the way for better engineering of biological systems.

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