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(PhysOrg.com) -- University of Chicago physicists have experimentally demonstrated for the first time that atoms chilled to temperatures near absolute zero may behave like seemingly unrelated natural systems of vastly different scales, offering potential insights into links between the atomic realm and deep questions of cosmology.

Rice University physicists have gone to extremes to prove that Isaac Newton's classical laws of motion can apply in the atomic world: They've built an accurate model of part of the solar system inside a single atom of potassium.

(AP) -- Norman Ramsey, who shared the 1989 Nobel Prize in physics for his research into molecules and atoms that led to the creation of the atomic clock, has died in Massachusetts. He was 96.

Nanotechnology is a cutting-edge advancement within science and engineering. It is not a single field but an intense collaboration between disciplines to manipulate materials on the atomic and molecular level.

This year has been designated the International Year of Chemistry , so it is only fitting that two new members of the atomic family should be welcomed in during 2011. [More]

Neutron analysis of the atomic dynamics behind thermal conductivity is helping scientists at the Department of Energy's Oak Ridge National Laboratory gain a deeper understanding of how thermoelectric materials work. The analysis could spur the development of a broader range of products with the capability to transform heat to electricity.

(PhysOrg.com) -- There's a lot we don't know about the atomic nucleus, even though it was discovered a century ago this year.

High-temperature superconductivity can be looked at as a fight for survival at the atomic scale. In an effort to reach that point where electrons pair up and resistance is reduced to zero, superconductivity must compete with numerous, seemingly rival phases of matter.

CHERNOBYL, Ukraine--The face-mask and three radiation monitors I'm wearing here are grim reminders that I'm at the site of the worst nuclear accident in history. On April 26, 1986, 1:23:44 a.m. local time, explosions destroyed reactor No.

Scientists now have a better understanding of why spider silk fibers are so incredibly strong. Recent research, published by Cell Press on February 15th in Biophysical Journal, describes the architecture of silk fibers from the atomic level up and reveals new information about the molecular structure that underlies the amazing mechanical characteristics of this fascinating natural material.