Rewritable CDs, DVDs and Blu-Ray discs owe their existence to phase-change materials, those materials that change their internal order when heated and whose structures can be switched back and forth between their crystalline ...
Condensed Matter
Jul 28, 2015
0
23
A University of Tokyo and RIKEN research group has developed a mercury-based optical lattice clock and measured the mercury clock frequency using the same group's recently developed strontium-based optical lattice clock as ...
General Physics
Jun 30, 2015
0
16
Friction is all around us, working against the motion of tires on pavement, the scrawl of a pen across paper, and even the flow of proteins through the bloodstream. Whenever two surfaces come in contact, there is friction, ...
Nanophysics
Jun 4, 2015
1
1673
Fermions are the building blocks of matter, interacting in a multitude of permutations to give rise to the elements of the periodic table. Without fermions, the physical world would not exist.
General Physics
May 13, 2015
1
2428
Ultracold atoms in the so-called optical lattices, which are generated by crosswise superposition of laser beams, have been proven to be one of the most promising tools for simulating and understanding the behaviour of many-body ...
Optics & Photonics
Apr 21, 2015
1
68
Using ultracold atoms as a stand-in for electrons, a Rice University-based team of physicists has simulated superconducting materials and made headway on a problem that's vexed physicists for nearly three decades.
Superconductivity
Feb 23, 2015
2
1542
Japanese researchers have built a pair of clocks which they say are so accurate they will lose a second only every 16 billion years—longer than the Earth has been around.
General Physics
Feb 23, 2015
8
169
We all like to know our watches keep the time well, but Hidetoshi Katori, of RIKEN's Quantum Metrology Laboratory and the University of Tokyo's Graduate School of Engineering, is taking precision to an entirely new dimension. ...
Optics & Photonics
Feb 9, 2015
0
46
Scientists discovered in 1937 that liquid helium-4, when chilled to extremely low temperatures, became a superfluid that could leak through glass, overflow its containers, or eternally gush like a fountain.
General Physics
Feb 5, 2015
2
61
Quantum computers will someday perform calculations impossible for conventional digital computers. But for that to happen, the core quantum information must be preserved against contamination from the environment. In other ...
Quantum Physics
Dec 22, 2014
0
1
