Physics

Iron secrets behind superconductors unlocked

Due to magnetism, iron should -- theoretically -- be a poor superconductor. Nevertheless certain iron based materials possess fine superconducting properties. Why? Because the five unbound electrons found in iron -- as a result of individual modes of operation, it turns out -- facilitate superconductivity.

CERN Data Centre passes the 200-petabyte milestone

On 29 June 2017, the CERN DC passed the milestone of 200 petabytes of data permanently archived in its tape libraries. Where do these data come from? Particles collide in the Large Hadron Collider (LHC) detectors approximately 1 billion times per second, generating about one petabyte of collision data per second. However, such quantities of data are impossible for current computing systems to record and they are hence filtered by the experiments, keeping only the most "interesting" ones.

Vice President Pence Visits NASA’s Multi-User Spaceport – Kennedy Space Center

Vice President Mike Pence thanked employees at NASA’s Kennedy Space Center in Florida for their commitment to America’s continued leadership in the space frontier during a visit to America’s multi-user spaceport on Thursday.

NASA Awards Contract for Technology Research, Development, Support

NASA has awarded a contract to Analytical Mechanics Associates, Inc. (AMA), of Hampton, Virginia, for technology research and development, and support of these activities, to help meet evolving NASA mission objectives.

Electron orbitals may hold key to unifying concept of high-temperature superconductivity

Evidence has been found for a new type of electron pairing that may broaden the search for new high-temperature superconductors. The findings provide the basis for a unifying description of how radically different copper- and iron-based 'parent' materials can develop the ability to carry electrical current with no resistance at strikingly high temperatures.

First direct look at how electrons 'dance' with vibrating atoms

The first direct measurements, and by far the most precise ones, have been made of how electrons move in sync with atomic vibrations rippling through an exotic material, as if they were dancing to the same beat. The new way to study materials shows this 'electron-phonon coupling' can be far stronger than predicted, and could potentially play a role in unconventional superconductivity.

Scientists get first direct look at how electrons 'dance' with vibrating atoms

Scientists at the Department of Energy's SLAC National Accelerator Laboratory and Stanford University have made the first direct measurements, and by far the most precise ones, of how electrons move in sync with atomic vibrations rippling through an exotic material, as if they were dancing to the same beat.

Researchers show how to make your own supernova

One of the most extreme astrophysical events, Supernova explosions are the violent deaths of certain stars that scatter elements heavier than hydrogen and helium into surrounding space. Our own solar system is thought to have formed when a nearby supernova exploded distributing these elements into a cloud of hydrogen that then condensed to form our sun and the planets. In fact, the very atoms that make up our bodies were formed in the remnants of such an explosion.

Into the quantum world with a tennis racket

Quantum technology is seen as an important future-oriented technology: smaller, faster and with higher performance than conventional electronics. However, exploiting quantum effects is difficult because nature's smallest building blocks have properties quite distinct from those we know from our everyday world. An international team of researchers has now succeeded in extracting a fault tolerant manipulation of quanta from an effect of classical mechanics.

Kinky biology: Researchers explore DNA folding, cellular packing with supercomputer simulations

How and why proteins fold is a problem that has implications for protein design and therapeutics. Researchers are exploring protein folding in bacteriophage DNA and other systems using advanced computing resources. Recent studies suggest the introduction of 'kinks' into configurations of DNA packaged within spherical confinement lowers energies and pressures and allows for compression.

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