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Physicists have implemented the first experimental demonstration of everlasting quantum coherence—the phenomenon that occurs when a quantum system exists in a superposition of two or more states at once. Typically, quantum coherence...

source: PhysOrg

"Movies" of electrons as they move across a semiconductor junction have been made by researchers at the Okinawa Institute of Science and Technology in Japan using a new imaging technique. Combining photoemission electron microscopy...

source: PhysicsWorld

A new spectrometer-on-a-chip that employs two frequency combs has been unveiled by physicists at Caltech in the U.S. The precision spectroscopy system is based on pulsed lasers and uses a technique known as dual-comb spectroscopy. This makes it one thousand times more precise...

source: PhysicsWorld

Over the past few decades, quantum effects have greatly improved many areas of information science, including computing, cryptography, and secure communication. More recently, research has suggested that quantum effects could offer similar advantages for the emerging field...

source: PhysOrg

The paper, with the title 24-Hour Relativistic Bit Commitment, tackled the question of how one transfers information at speeds approaching that of light while also making sure that nobody has access to that information for an extended period of time. Read the associated...

source: Express

Where is the dark matter? Scientists who have hunted for decades for the stuff that comprises most of the cosmos’ mass are starting to worry that they are looking in the wrong places. After the latest null results came out this summer from the most sensitive search...

source: Scientific American


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