Physics

World's most powerful X-ray laser beam refined to scalpel precision

With a thin sliver of diamond, scientists have transformed the Linac Coherent Light Source into an even more precise tool for exploring the nanoworld. The improvements yield laser pulses focused to higher intensity in a much narrower band of X-ray wavelengths, and may enable experiments that have never before been possible.

NASA Accepting Applications for Aeronautics Scholarships

NASA Accepting Applications for Aeronautics Scholarships

Stabilizing shell effects in heaviest elements directly measured

An international research team has succeeded in directly measuring the strength of shell effects in very heavy elements. The results provide information on the nuclear structure of superheavy elements, thus promising to enable drastically improved predictions concerning the location and extension of the island of stability of superheavy elements.

Physicists explore properties of electrons in revolutionary material

Scientists have found a new way to examine certain properties of electrons in graphene – a very thin material that may hold the key to new technologies in computing and other fields.

Freezing magnetic monopoles: How dipoles become monopoles and vice versa

Scientists have sharpened the theoretical framework under which monopoles can be studied.

Plenty of dark matter near the Sun

Astronomers have found large amounts of invisible "dark matter" near the Sun. Their results are consistent with the theory that the Milky Way Galaxy is surrounded by a massive "halo" of dark matter, but this is the first study of its kind to use a method rigorously tested against mock data from high quality simulations. The authors also find tantalizing hints of a new dark matter component in our Galaxy.

Blame Climate Change for Increasingly Extreme Summers, Says Leading Climatologist | 80beats

Even ignoring the wildfires and drought this season, the sweltering heat itself is proclaiming this an intense summer. And unusually hot summers are becoming not so unusual, according to a new study in the Proceedings of the National Academy of Sciences.

Advance in X-ray imaging shines light on nanomaterials

A new advance in X-ray imaging has revealed the dramatic three-dimensional shape of gold nanocrystals, and is likely to shine a light on the structure of other nano-scale materials.

Mars Science Laboratory Touches Down Tonight | Cosmic Variance

Nowadays everyone calls it the “Curiosity rover,” but I got to know it as the Mars Science Laboratory, and I’m too old and set in my ways to switch. Launched on November 26, 2011, the mission is scheduled to land on Mars’s Gale Crater tonight/tomorrow morning: 5:31 UTC, which translates to 1:30 a.m. Eastern time or 10:20 p.m. Pacific.

Higgs Papers Out | Cosmic Variance

We were all transfixed by the Higgs seminars on July 4, but the work was nowhere near over for the experimentalists — they had to actually write up papers describing the results. And of course taking the opportunity to do a little more analysis along the way.

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