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Quantum Copies Do New Tricks
March 22, 2012 — New research shows that it is possible to perfectly recover the original from the imperfect quantum copies. Scientists also propose a way that his could be done in ... > full story -
Looking at Quantum Gravity in a Mirror
March 18, 2012 — Einstein's theory of gravity and quantum physics are expected to merge at the Planck-scale of extremely high energies and on very short distances. Now scientists have proposed a new quantum ... > full story -
Direct Measurement of the Formation Length of Photons
February 28, 2012 — How long does it take an electron to form a photon? The answer would normally be: so short a time that it cannot be measured. However, the scientists responsible for experiment NA63 have now ... > full story -
Pulsars: The Universe's Gift to Physics
February 20, 2012 — Pulsars, which already have produced two Nobel Prizes, are providing scientists with unique insights on topics from particle physics to General ... > full story -
The Perfect Liquid -- Now Even More Perfect
January 17, 2012 — How liquid can a fluid be? This is a question particle physicists have been working on. The “most perfect liquid” is nothing like water, but the extremely hot quark-gluon-plasma which is ... > full story -
One Clock With Two Times: When Quantum Mechanics Meets General Relativity
October 20, 2011 — General relativity, the joint theory of gravity, space and time gives predictions that become clearly evident on a cosmic scale of stars and galaxies. Quantum effects are fragile and observed on ... > full story -
Gravitational Waves That Are 'Sounds of the Universe'
October 3, 2011 — Einstein wrote about them, and we're still looking for them -- gravitational waves, which are small ripples in the fabric of space-time, that many consider to be the sounds of our universe. Just as ... > full story -
Light from Galaxy Clusters Confirms General Theory of Relativity
September 28, 2011 — All observations in astronomy are based on light (electromagnetic radiation) emitted from stars and galaxies and, according to the general theory of relativity, the light will be affected by gravity. ... > full story -
Squeezed Laser Will Bring Gravitational Waves to the Light of Day
September 11, 2011 — Measuring at the limits of the laws of nature -- this is the challenge which researchers repeatedly take up in their search for gravitational waves. The interferometers they use here measure with ... > full story -
Recalculation of the Potsdam Geoid Shows Time-Dependent Variation of Gravity
June 29, 2011 — The "Potsdam Gravity potato", as this representation of terrestrial gravity has become known, can for the first time display gravity variations that change with time. The seasonal fluctuations of the ... > full story
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