Advancing secure communications: A better single-photon emitter for quantum cryptography

In a development that could make the advanced form of secure communications known as quantum cryptography more practical, researchers have demonstrated a simpler, more efficient single-photon emitter that can be made using traditional semiconductor processing techniques.

Watch This: The Year's Best Views of Earth From Space

T minus two weeks until Earth Day! In case you need one more reason to be amazed by the blue marble we live on, check out these views of Earth taken from space over the course of last year.

The video illustrates just how dynamic our planet can be, and doesn't need text or narration to deliver its message. From melting glaciers to fluctuations in salinity, NASA uses colorful time-lapse to show just how much our world changes in a single revolution of the sun. In certain shots, the surface of t

A step toward optical transistors?

Researchers have demonstrated a new way to control light in semiconductor nanocrystals.

A primary voltage standard for the whole world

( —PML researchers are on the verge of reaching a long-sought major goal: Providing the world with a programmable quantum voltage standard that has an uncertainty of less than 1 part per billion, never needs calibration, and is sufficiently automated that it can be used in developing countries by non-experts.

Researchers at CERN take most precise measure of magnetic moment of antiproton

( —A research team made up of physicists from the US, Canada and Germany has succeeded in making the first individual-particle measurement of the magnetic moment of an antiproton. In their paper published in Physical Review Letters, they describe how they managed to capture a single antiproton and measured its magnetic moment in a way that is more precise (by a factor of 680) than any previous measurement efforts to date.

NASA's Twitter Account Wins Back-to-Back Shorty Awards

NASA's official Twitter feed, @NASA, has won its second consecutive Shorty award for the best government use of social media.

NASA TV Provides Coverage of Space Station Cargo Ship Activities

NASA Television will broadcast an unpiloted Russian cargo ship's departure from the International Space Station on April 15 and the launch and docking of another April 24 and 26.

NASA Sets TV Coverage for Antares Test Flight

NASA's commercial partner, Orbital Sciences Corporation of Dulles, Va., is scheduled to launch its first Antares rocket from Mid-Atlantic Regional Spaceport Pad-0A at the agency's Wallops Flight Facility on Wednesday, April 17.

Researchers observe unexpected particle orientation behavior in capillaries

When small particles flow through thin capillaries, they display an unusual orientation behaviour. This has recently been discovered by a research team led by Prof. Stephan Förster and Prof. Walter Zimmermann at the X-ray sources DORIS III and PETRA III of the research centre DESY in Hamburg, Germany. The discovery is of major importance for spinning processes designed for the production of synthetic fibres, and for the understanding of vascular stenosis.

NASA Administrator Discusses 2014 Fiscal Year Budget Proposal

NASA Administrator Charles Bolden will brief reporters about the agency's fiscal year 2014 budget proposal at 3 p.m. EDT on Wednesday, April 10, during a media teleconference.


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