News tagged with time reversal symmetry

Physicist Proposes Solution to Arrow-of-Time Paradox

(PhysOrg.com) -- Entropy can decrease, according to a new proposal - but the process would destroy any evidence of its existence, and erase any memory an observer might have of it. It sounds like the plot ...

Physics / General Physics

created Aug 27, 2009 | popularity 4.2 / 5 (80) | comments 108 feature




Search results for time reversal symmetry


Straintronics: Engineers create piezoelectric graphene

In what became known as the 'Scotch tape technique," researchers first extracted graphene with a piece of adhesive in 2004. Graphene is a single layer of carbon atoms arranged in a honeycomb, hexagonal pattern. ...

Nanotechnology / Nanomaterials

created Mar 16, 2012 | popularity 5 / 5 (7) | comments 8 | with audio podcast

'Anti-atomic fingerprint': Physicists manipulate anti-hydrogen atoms for the first time (Update)

The ALPHA collaboration at CERN in Geneva has scored another coup on the antimatter front by performing the first-ever spectroscopic measurements of the internal state of the antihydrogen atom. Their results ...

Physics / General Physics

created Mar 07, 2012 | popularity 5 / 5 (30) | comments 2 | with audio podcast

Quantum physicists shed new light on relation between entanglement and nonlocality

(PhysOrg.com) -- New research from the University of Bristol may disprove a long-standing conjecture made by one of the founders of quantum information science: that quantum states featuring ‘positive partial transpose’, ...

Physics / Quantum Physics

created Jan 30, 2012 | popularity 4.6 / 5 (25) | comments 35 | with audio podcast

Crystallizing the switch to hydrogen

Hydrogen gas is an almost infinitely inexhaustible fuel source that emits only clean water during combustion. Switching from hydrocarbon-based transportation to systems powered by state-of-the-art fuel cells ...

Chemistry / Materials Science

created Dec 02, 2011 | popularity 4.9 / 5 (7) | comments 12 | with audio podcast

Through simple system studies, researchers are unearthing a new quantum state of matter

Researchers at the University of Pittsburgh have made advances in better understanding correlated quantum matter that could change technology as we know it, according to a study published in the Nov. 20 edition of Nature.

Physics / Quantum Physics

created Nov 21, 2011 | popularity 3.1 / 5 (18) | comments 8 | with audio podcast

Plate tectonics may control reversals in the Earth's magnetic field

The Earth's magnetic field has reversed many times at an irregular rate throughout its history. Long periods without reversal have been interspersed with eras of frequent reversals. What is the reason for these reversals ...

Space & Earth / Earth Sciences

created Oct 24, 2011 | popularity 4 / 5 (1) | comments 19

Physicists turn liquid into solid using an electric field

(PhysOrg.com) -- Physicists have predicted that under the influence of sufficiently high electric fields, liquid droplets of certain materials will undergo solidification, forming crystallites at temperature ...

Physics / Condensed Matter

created Oct 11, 2011 | popularity 4.4 / 5 (12) | comments 12 | with audio podcast

Time reversal: A simple particle could reveal new physics

(PhysOrg.com) -- A simple atomic nucleus could reveal properties associated with the mysterious phenomenon known as time reversal and lead to an explanation for one of the greatest mysteries of physics: the ...

Physics / General Physics

created Oct 11, 2011 | popularity 4.8 / 5 (40) | comments 128 | with audio podcast

Fundamental matter-antimatter symmetry confirmed

International collaboration including MPQ scientists sets a new value for the antiproton mass relative to the electron with unprecedented precision.

Physics / General Physics

created Jul 28, 2011 | popularity 4.8 / 5 (31) | comments 30 | with audio podcast

New imaging techniques reveal the workings of supramolecular nanomachines

Supramolecules comprising many kinds of proteins and nucleic acids are present in all living organisms. Often with precise structures and a variety of parts, these supramolecules exhibit complex movements ...

Chemistry / Analytical Chemistry

created Jul 25, 2011 | popularity 5 / 5 (2) | comments 0


List of search results for time reversal symmetry