Physics

NASA Awards Environmental Compliance And Operations Contract

NASA has selected Navarro Research and Engineering Inc. of Oak Ridge, Tenn., to provide environmental compliance and restoration services at the agency's White Sands Test Facility in Las Cruces, N.M.

'Metascreen' forms ultra-thin invisibility cloak

(Phys.org) —Up until now, the invisibility cloaks put forward by scientists have been fairly bulky contraptions – an obvious flaw for those interested in Harry Potter-style applications.

'Metascreen' forms ultra-thin invisibility cloak

Up until now, the invisibility cloaks put forward by scientists have been fairly bulky contraptions -- an obvious flaw for those interested in Harry Potter-style applications.

Magnetic soliton: Nano-droplet discovery presents opportunities for telecommunications

A Swedish research team has successfully created a magnetic soliton – a spin torque-generated nano-droplet that could lead to technological innovation in such areas as mobile telecommunications.

Nanoparticles show promise as inexpensive, durable and effective scintillators

Nanoparticles can be successfully incorporated into scintillation devices capable of detecting and measuring a wide energy range of X-rays and gamma rays, new research shows.

Measuring the magnetism of antimatter: Researchers measure antiprotons more accurately than ever before

In a breakthrough that could one day yield important clues about the nature of matter itself, a team of Harvard scientists have succeeding in measuring the magnetic charge of single particles of matter and antimatter more accurately than ever before.

Observing electrons in real-time could lead to faster computing

(Phys.org) —New research revealing the interactions between electrons and organic carrier materials in devices that use electron spin to encode information could help in the development of faster and more efficient data storage technology.

Invisibility cloak research moves forward at MTU

(Phys.org) —Michigan Technological University's invisibility cloak researchers have done it again. They've moved the bar on one of the holy grails of physics: making objects invisible. Just last month, Elena Semouchkina, an associate professor of electrical and computer engineering at Michigan Tech, and her graduate student, Xiaohui Wang, reported successful experimental demonstration of the use of non-conductive ceramic metamaterials to cloak cylindrical objects from microwave-length electromagnetic waves.

Speed of light may not be fixed, scientists suggest; Ephemeral vacuum particles induce speed-of-light fluctuations

Two new articles challenge established wisdom about the nature of vacuum. In one article scientists have identified a quantum level mechanism for interpreting vacuum as being filled with pairs of virtual particles with fluctuating energy values. As a result, the inherent characteristics of vacuum, like the speed of light, may not be a constant after all, but fluctuate.

Ephemeral vacuum particles induce speed-of-light fluctuations

New research shows that the speed of light may not be fixed after all, but rather fluctuates.

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