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Physics/Chemistry News
Today's physics/chemistry headlines from the sources selected by our team:

Experiment with speeding ions verifies relativistic time dilation to new level of precision
( —A team of researchers working at the Experimental Storage Ring in Damstadt, Germany have conducted an experiment using ions pushed to 40 percent of the speed of light to verify time dilation to a new level of precision. In their paper published in Physical Review Letters, the team describes how their experiment was conducted and how it allowed them to validate the time dilation prediction to just a few parts per billion. General Physics News, Sun, 21 Sep 2014 13:19:22 GMT

How Paramecium protozoa claw their way to the top
The ability to swim upwards – towards the sun and food supplies – is vital for many aquatic microorganisms. Exactly how they are able to differentiate between above and below in often murky waters is still not understood today. An extremely simple trick of physics involving the self-organised balancing of two forces could offer a reliable and effective explanation of this phenomenon. This has been demonstrated by an international research team headed by Clemens Bechinger from the Max Planck Institute for Intelligent Systems and the University of Stuttgart. Their discovery not only provides a plausible and elegant explanation for this natural behaviour called Gravitaxis, it could also be used to enable the self-organised steering of swimming microrobot swarms in the future. General Physics News, Sun, 21 Sep 2014 13:19:22 GMT

Particle detector finds hints of dark matter in space
Researchers at MIT's Laboratory for Nuclear Science have released new measurements that promise to shed light on the origin of dark matter. General Physics News, Sun, 21 Sep 2014 13:19:22 GMT

Physical constant is constant even in strong gravitational fields
An international team of physicists has shown that the mass ratio between protons and electrons is the same in weak and in very strong gravitational fields. Their study, which was partly funded by the FOM Foundation, is published online on 18 September 2014 in Physical Review Letters. General Physics News, Sun, 21 Sep 2014 13:19:22 GMT

Superabsorbing ring could make light work of snaps, be ultimate camera pixel
A quantum effect in which excited atoms team up to emit an enhanced pulse of light can be turned on its head to create 'superabsorbing' systems that could make the 'ultimate camera pixel'.
Physics News -- ScienceDaily, Sun, 21 Sep 2014 13:19:22 GMT

Mechanism behind solid-solid phase transitions uncovered
Two solids made of the same elements but with different geometric arrangements of the atoms, or crystal phases, can produce materials with different properties. Coal and diamond offer a spectacular example of this effect. Researchers have found that some crystals have an easier time of making a solid-solid transition if they take it in two steps. Surprisingly, the first step of the process involves the parent phase producing droplets of liquid. The liquid droplets then evolve into the daughter phase.
Physics News -- ScienceDaily, Sun, 21 Sep 2014 13:19:22 GMT

Toward optical chips: Promising light source for optoelectronic chips can be tuned to different frequencies
Chips that use light, rather than electricity, to move data would consume much less power -- and energy efficiency is a growing concern as chips' transistor counts rise. Scientists have developed a new technique for building MoS2 light emitters tuned to different frequencies, an essential requirement for optoelectronic chips. Since thin films of material can also be patterned onto sheets of plastic, the same work could point toward thin, flexible, bright, color displays.
Physics News -- ScienceDaily, Sun, 21 Sep 2014 13:19:22 GMT

CERN celebrates 60 years of science
Particle physics lab hosts huge variety of events to mark diamond jubilee news, Sun, 21 Sep 2014 13:19:22 GMT

Gargantuan black hole found at the heart of dwarf galaxy
Many previously hidden black holes may lie in compact star systems news, Sun, 21 Sep 2014 13:19:22 GMT

New plasmonic nanolaser is cavity-free
Proposed device could improve optical telecommunications news, Sun, 21 Sep 2014 13:19:22 GMT

Dog pooping, Jesus toast honored at this year's Ig Nobels
Ceremony celebrates the wacky side of science
Physics News, Sun, 21 Sep 2014 13:19:22 GMT

Future skintight spacesuits could snug up at the touch of a button
Physics News, Sun, 21 Sep 2014 13:19:22 GMT

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