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Search for Dark Matter: Experiment Measures Antimatter Excess in Cosmic Ray Flux
April 3, 2013 — The international team running the Alpha Magnetic Spectrometer (AMS) today announced the first results in its search for dark matter. They report the observation of an excess of positrons in the ... > full storyMore: -
Building Quantum States With Individual Silicon Atoms
April 3, 2013 — By introducing individual silicon atom 'defects' using a scanning tunneling microscope, scientists have coupled single atoms to form quantum ... > full story -
Quantum Cryptography: On Wings of Light
April 3, 2013 — Physicists have, for the first time, successfully transmitted a secure quantum code through the atmosphere from an aircraft to a ground ... > full story -
Quantum Dot Commands Light: A Solid State Ultrafast Logic Gate on a Photon
April 1, 2013 — If you could peek at the inner workings of a computer processor you would see billions of transistors switching back and forth between two states. In optical communications, information from the ... > full story -
Quantum Computing? Physicists' New Technique for Cooling Molecules May Be a Stepping Stone to Quantum Computing
March 27, 2013 — At the heart of next-generation computers may be a collection of ultracold molecules held at temperatures a mere fraction of a degree above absolute zero. By combining two traditional atomic cooling ... > full story -
Speed of Light May Not Be Fixed, Scientists Suggest; Ephemeral Vacuum Particles Induce Speed-of-Light Fluctuations
March 25, 2013 — 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 ... > full story -
Measuring the Magnetism of Antimatter: Antiprotons Measured More Accurately Than Ever Before
March 25, 2013 — In a breakthrough that could one day yield important clues about the nature of matter itself, scientists have succeeded in measuring the magnetic charge of single particles of matter and antimatter ... > full story -
Laser Empties Atoms from the Inside out
March 25, 2013 — Plasma physicists have used one of the world's most powerful lasers to create highly unusual plasma composed of hollow atoms. The experimental work demonstrated that it is possible to remove the two ... > full story -
Quantum Computers Counting on Carbon Nanotubes
March 21, 2013 — Carbon nanotubes can be used as quantum bits for quantum computers. A study by physicists has shown how nanotubes can store information in the form of vibrations. Up to now, researchers have ... > full story -
Laser-Like Photons Signal Major Step Towards Quantum 'Internet'
March 19, 2013 — The realization of quantum networks is one of the major challenges of modern physics. Now, new research shows how high-quality photons can be generated from "solid-state" chips, bringing us closer to ... > full story
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