REGISTRATI Chiudi

Notizie da 5 fonti

28 lug 2014 18:00

Viewpoint: Optical Transistor Flips On with One Photon

Researchers have used interactions between highly excited atoms to make an optical transistor that can be activated by a single photon. Published Mon Jul 28, 2014

fisica | physics - spotlighting exceptional research

25 lug 2014 18:00

Focus: Nuclear Monitoring with Antineutrinos

A system to monitor a nuclear reactor for possible diversion of weapons material would use an antineutrino detector parked close to the facility. Published Fri Jul 25, 2014

fisica | physics - spotlighting exceptional research

24 lug 2014 18:00

Synopsis: Direct Test of Cosmic Acceleration

Future radio surveys of intergalactic hydrogen clouds could offer the first direct measurement of the Universe’s acceleration. Published Thu Jul 24, 2014

fisica | physics - spotlighting exceptional research

23 lug 2014 18:00

Synopsis: Dense Suspensions Spread Best

High-speed droplets containing a dense suspension of particles could be used to make universal coatings that spread on many types of surfaces. Published Wed Jul 23, 2014

fisica | physics - spotlighting exceptional research

22 lug 2014 18:00

Synopsis: A Cooper-Pair Laser

A superconducting transistor embedded in a microcavity acts like a single-emitter laser that could be used to generate nonclassical light. Published Tue Jul 22, 2014

fisica | physics - spotlighting exceptional research

21 lug 2014 18:00

Viewpoint: Sending Messages with a Quantum Seal

With a simple optical experiment, researchers have demonstrated a quantum digital signature scheme for identifying the sender of an electronic message without requiring the use of quantum memories. Published Mon Jul 21, 2014

fisica | physics - spotlighting exceptional research

21 lug 2014 18:00

Viewpoint: A New Approach to the Matching Problem

Mathematical tools from physics are enabling new ways to study a classic optimization problem. Published Mon Jul 21, 2014

fisica | physics - spotlighting exceptional research

18 lug 2014 18:00

Focus: New Medical Scan Requires Less Touching

A medical imaging technique uses electric and magnetic fields to generate vibrations in tissues and measure their mechanical stiffness in a new way. Published Fri Jul 18, 2014

fisica | physics - spotlighting exceptional research

17 lug 2014 18:00

Synopsis: Top Quark Mass Gets an Update

A new analysis of data from the Tevatron delivers the most precise value of the top quark mass based on a single measurement. Published Thu Jul 17, 2014

fisica | physics - spotlighting exceptional research

17 lug 2014 18:00

Editorial: Bargaining for a Better Helium Deal

A pilot program jointly run by the APS hopes to use the collective bargaining power of many researchers to negotiate a better price for liquid helium. Published Thu Jul 17, 2014

fisica | physics - spotlighting exceptional research