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Editors' Picks:



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

Physicist demonstrates dictionary definition was dodgy
It is the defining moment that demonstrates a QUT physicist was correct in pointing out a 99-year-old mistake to one of the world's most authoritative dictionaries.
Phys.org: General Physics News, Wed, 23 Apr 2014 16:21:28 GMT

Steering chemical reactions with laser pulses
With ultra-short laser pulses, chemical reactions can be controlled at the Vienna University of Technology. Electrons have little mass and are therefore influenced by the laser, whereas the atomic nuclei are much heavier and are hardly affected.
Phys.org: General Physics News, Wed, 23 Apr 2014 16:21:28 GMT

Physicists consider implications of recent revelations about the universe's first light
Last month, scientists announced the first hard evidence for cosmic inflation, the process by which the infant universe swelled from microscopic to cosmic size in an instant. This almost unimaginably fast expansion was first theorized more than three decades ago, yet only now has "smoking gun" proof emerged.
Phys.org: General Physics News, Wed, 23 Apr 2014 16:21:28 GMT

Grasp of SQUIDs dynamics facilitates eavesdropping
Theoretical physicists are currently exploring the dynamics of a very unusual kind of device called a SQUID. This Superconducting Quantum Interference Device is a highly sensitive magnetometer used to measure extremely subtle magnetic fields. It is made of two thin regions of insulating material that separate two superconductors – referred to as Josephson junctions – placed in parallel into a ring of superconducting material.
Phys.org: General Physics News, Wed, 23 Apr 2014 16:21:28 GMT

Quantum simulators developed to study inaccessible physical systems
Quantum simulators recreate the behavior on a microscopic scale of biological and quantum systems and even of particles moving at the speed of light. The exact knowledge of these systems will lead to applications ranging from more efficient photovoltaic cells to more specific drugs. Researchers are working on the design of several of these quantum simulators so they can study the dynamics of complex physical systems.
Physics News -- ScienceDaily, Wed, 23 Apr 2014 16:21:28 GMT

Superconducting quantum interference devices: Grasp of SQUIDs dynamics facilitates eavesdropping
A superconducting quantum interference device is a highly sensitive magnetometer used to measure extremely subtle magnetic fields. It is made of two thin regions of insulating material that separate two superconductors placed in parallel into a ring of superconducting material. Scientists have focused on finding an analytical approximation to the theoretical equations that govern the dynamics of an array of SQUIDs.
Physics News -- ScienceDaily, Wed, 23 Apr 2014 16:21:28 GMT

Nanomaterial outsmarts ions: Novel types of electronic components made of graphene
Ions are an essential tool in chip manufacturing, but they can also be used to produce nano-sieves. A large number of electrons must be removed from the atoms for this purpose. Such ions either lose a large amount of energy or almost no energy at all as they pass through a membrane that measures one nanometer in thickness. Researchers report that this discovery is an important step towards developing novel types of electronic components made of graphene.
Physics News -- ScienceDaily, Wed, 23 Apr 2014 16:21:28 GMT

Physicists create frictionless flow by adding more friction
Counterintuitive effect could lead to better processing of materials
physicsworld.com: news, Wed, 23 Apr 2014 16:21:28 GMT

Russia mulls over huge 60 m telescope
Facility would join the hunt for exoplanets
physicsworld.com: news, Wed, 23 Apr 2014 16:21:28 GMT

First discovery of double star that brightens during eclipse
Einstein's general theory of relativity explains the phenomenon
physicsworld.com: news, Wed, 23 Apr 2014 16:21:28 GMT

Liquid spacetime: A very slippery superfluid, that's what spacetime could be like
What if spacetime were a kind of fluid? This is the question tackled by theoretical physicists working on quantum gravity by creating models attempting to reconcile gravity and quantum mechanics. ...
Physics News, Wed, 23 Apr 2014 16:21:28 GMT

Like a hall of mirrors, nanostructures trap photons inside ultrathin solar cells (w/ Video)
In the quest to make sun power more competitive, researchers are designing ultrathin solar cells that cut material costs. At the same time they're keeping these thin cells efficient by sculpting ...
Physics News, Wed, 23 Apr 2014 16:21:28 GMT

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PhysOrg.com
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