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Physics/Chemistry News
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Today's physics/chemistry headlines from the sources selected by our team:
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California is the primary US stop for LHC's ALICE data
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For approximately one month a year, the nuclei of lead atoms traveling near the speed of light will collide in the Large Hadron Collider's (LHC) ALICE experiment, generating a fireball about 100,000 times hotter than the core of our Sun. At these temperatures protons and neutrons dissolve into a "particle soup" of quarks and gluons, known as the quark-gluon plasma -- a state of matter that first occurred in nature at the birth of our Universe almost 14 billion years ago, a few millionths of a second after the Big Bang. By watching this "soup" cool, physicists hope to better understand the nature of matter, which makes up everything from galaxies to humans.
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Nuclear physics incorporates a 'strange' flavor
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Calculating the binding energy between hyperon particles contributes to understanding a new type of neutron star.
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Clocking Ultra-fast Electron Bunches
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(PhysOrg.com) -- Brookhaven researchers have developed a device that acts like a high-tech stopwatch for speedy packs of electrons just trillionths of a second long. This new diagnostic tool could aid in the development of x-ray free electron lasers (FEL), sources that produce pulses of light up to one billion times brighter and 1,000 times shorter than those produced at conventional storage ring light sources.
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IceCube drillers train for final Antarctic season
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(PhysOrg.com) -- The sweltering Wisconsin summer is a far cry from conditions at the South Pole, but ice drillers from around the United States will gather next week in Stoughton to prepare for the upcoming Antarctic work season.
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Ultra-strong interaction between light and matter realized: One more step on the path to quantum computers
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Researchers around the world are working on the development of quantum computers that will be vastly superior to present-day computers. The strong coupling of quantum bits with light quanta plays a pivotal role. Researchers have now realized an extremely strong interaction between light and matter that may represent a first step in this direction.
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Some like it hot: How to heat a 'nano bathtub'
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Researchers have demonstrated the use of infrared laser light to quickly and precisely heat the water in "nano bathtubs" -- tiny sample containers -- for microscopy studies of the biochemistry of single molecules and nanoparticles.
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How not to blow up a molecule
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Can single-shot imaging with femtosecond x-ray pulses from powerful new free electron lasers really work, or will the beam damage the sample too quickly? Pulse length is the key. A new study reveals that "frustrated absorption" explains why ultrashort pulses, even if their peak power is greater, do less damage to molecules than longer pulses.
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Graphene exhibits bizarre new behavior well suited to electronic devices
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Graphene, a sheet of pure carbon, has been touted as a possible replacement for silicon-based semiconductors because of its useful electronic properties. Now, physicists have shown that graphene has another unique and amazing property that could make it even more suitable for future electronic devices. When contorted in a specific way it sprouts nanobubbles in which electrons behave as if they are moving in a strong magnetic field.
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Quantum fractals at the border of magnetism
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Physicists are reporting new results from experiments on the perplexing class of materials that includes high-temperature superconductors. The team reports the unexpected discovery of a simple fractal form of electronic excitations in ultra-low-temperature quantum magnets at the border of magnetism.
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GREAT RED SPOT NOT AS GREAT
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GREAT RED SPOT NOT AS GREAT The hurricanes that visit the Gulf and Caribbean in September and even the huge jetstream that dominates winter weath. . .
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