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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 -
Quantum Computers Coming Soon? Metamaterials Used to Observe Giant Photonic Spin Hall Effect
March 21, 2013 — Engineering a unique metamaterial of gold nanoantennas, researchers were able to obtain the strongest signal yet of the photonic spin Hall effect, an optical phenomenon of quantum mechanics that ... > 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 -
Tenfold Boost in Ability to Pinpoint Proteins in Cancer Cells
March 19, 2013 — A new method for color-coding cells allows cancer researchers to illuminate 100 biomarkers, a ten-time increase from the current standard. This helps to analyze individual cells from cultures or ... > 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 -
Causing Collapse: Can One Affect an Atom's Spin Just by Adjusting the Way It Is Measured?
March 18, 2013 — One of the most basic laws of quantum mechanics is that a system can be in more than one state -- it can exist in multiple realities -- at once. This phenomenon, known as the superposition principle, ... > full story -
Smallest Vibration Sensor in the Quantum World
March 15, 2013 — Carbon nanotubes and magnetic molecules are considered building blocks of future nanoelectronic systems. Their electric and mechanical properties play an important role. Researchers have now found a ... > full story
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