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Notizie da 5 fonti

19 dic 2014 17:00

Focus: Heavily Interconnected Economies Are Vulnerable to Shocks

A network analysis finds that the European economies with the most interconnections, like Germany, are the most vulnerable to economic crises in the absence of government intervention. Published Fri Dec 19, 2014

fisica | physics - spotlighting exceptional research

18 dic 2014 17:00

Synopsis: Work in the Quantum World

A new method of measuring work in a quantum-mechanical setting provides a way to evaluate the thermodynamics of small, fluctuating systems. Published Thu Dec 18, 2014

fisica | physics - spotlighting exceptional research

17 dic 2014 17:00

Viewpoint: A Breakthrough for Remote Lasing in Air

A scheme using two pump wavelengths in the infrared and ultraviolet produces more efficient laserlike emission in air, which could benefit remote sensing applications. Published Wed Dec 17, 2014

fisica | physics - spotlighting exceptional research

17 dic 2014 17:00

Synopsis: How Oxygen Kindles Fireflies

X-ray images of the light-emitting organs in fireflies clarify the mechanism by which oxygen controls the insects’ luminescence. Published Wed Dec 17, 2014

fisica | physics - spotlighting exceptional research

16 dic 2014 17:00

Synopsis: Searching for Millicharged Particles

Tiny dielectric spheres in an optical trap are used to search for hypothetical particles with a small fractional charge. Published Tue Dec 16, 2014

fisica | physics - spotlighting exceptional research

15 dic 2014 17:00

Viewpoint: X-Ray Line May Have Dark Matter Origin

An x-ray feature recently detected by different astronomy groups may be the long-awaited signature of dark matter. Published Mon Dec 15, 2014

fisica | physics - spotlighting exceptional research

12 dic 2014 17:00

Focus: Nanopyramids’ Color Depends on Viewer’s Position

An array of nanometer-sized aluminum pyramids acts as a directional antenna for light, and the direction depends on wavelength. Published Fri Dec 12, 2014

fisica | physics - spotlighting exceptional research

11 dic 2014 17:00

Synopsis: Cosmic Ruler Measured More Directly

A measure of how galaxies are spatially distributed can be determined in a new, more robust way. Published Thu Dec 11, 2014

fisica | physics - spotlighting exceptional research

10 dic 2014 17:00

Editorial: X-Ray Lasers, Big and Small

A visit to SLAC and Lawrence Berkeley Lab offers a look at two complementary approaches to making the x-ray source of the future. Published Wed Dec 10, 2014

fisica | physics - spotlighting exceptional research

10 dic 2014 17:00

Synopsis: Ultrathin Superconductors Take a Step Up

Single-atomic-step imperfections on the surface of superconducting films behave like Josephson junctions. Published Wed Dec 10, 2014

fisica | physics - spotlighting exceptional research