News tagged with theoretical physics

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 ...

Sep 14, 2010
3.2 / 5 (5) 0 | with audio podcast

Moving polymers through pores

The movement of long chain polymers through nanopores is a key part of many biological processes, including the transport of RNA, DNA, and proteins. New research reported in The Journal of Chemical Physics, which ...

Jul 14, 2010
5 / 5 (2) 0

Masses of common quarks are revealed

(PhysOrg.com) -- A research group co-founded by Cornell physics professor G. Peter Lepage has calculated the mass of the three lightest and, therefore, most elusive quarks: up, down and strange.

May 03, 2010
4.8 / 5 (60) 161

How shape-memory materials remember

X-ray studies and fundamental calculations are helping physicists gain molecular level insight into the workings of some magnetic shape-memory materials, which change shape under the influence magnetic fields.

Apr 26, 2010
3.7 / 5 (3) 0

Turning heat to electricity... efficiently

(PhysOrg.com) -- In everything from computer processor chips to car engines to electric powerplants, the need to get rid of excess heat creates a major source of inefficiency. But new research points the way ...

Nov 18, 2009
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