Ultrasmall atom motions recorded with ultrashort x-ray pulses

Periodic motions of atoms over a length of a billionth of a millionth of a meter are mapped by ultrashort x-ray pulses. In a novel type of experiment, regularly arranged atoms in a crystal are set into vibration by a laser pulse and a sequence of snapshots is generated via changes of x-ray absorption.

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Stars align in test supporting ‘spooky action at a distance’

Physicists address a loophole in tests of Bell’s inequality with 600-year-old starlight. Results show strong evidence for Einstein’s quantum spooky action at a distance.

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Experiment Reaffirms Quantum Weirdness

Physicists are closing the door on an intriguing loophole around the quantum phenomenon Einstein called “spooky action at a distance.” …

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Quantum RAM: Modelling the big questions with the very small

When it comes to studying transportation systems, stock markets and the weather, quantum mechanics is probably the last thing to come to mind. However, scientists have just performed a ‘proof of principle’ experiment showing that when it comes to simulating such complex processes in the macroscopic world quantum mechanics can provide an unexpected advantage.

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How x-rays in matter create genetoxic low-energy electrons

Researchers have investigated what x-rays in matter really do and identified a new mechanism of producing low-energy free electrons. Since the low-energy electrons cause damage to the matter, the identified process might be important in understanding and designing radiation treatment of illnesses.

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Experiment involving ultracold rubidium lifts off with research rocket

Physicists have created a basis for accurately testing Einstein’s equivalence principle.

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Artificially introduced atomic-level sensors enable measurements of the electric field within a working semiconductor device

A new method for sensing the electric field generated in semiconductor devices during operation has now been developed by researchers. The technique is demonstrated for a diamond device, with nitrogen-vacancy centers acting as local electric-field probes, subject to bias voltages up to 150 volt.

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Coordinates of more than 23,000 atoms in technologically important material mapped

Physicists have mapped the coordinates of more than 23,000 individual atoms in a tiny iron-platinum nanoparticle to reveal the material’s innate defects. These results demonstrate that the positions of tens of thousands of atoms can be precisely identified and then fed into quantum mechanics calculations to correlate imperfections and defects with material properties at the single-atom level.

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Ultrahigh sensitivity graphene infrared detectors for imaging and spectroscopy

Researcher have developed a novel graphene-based infrared (IR) detector demonstrating record high sensitivity for thermal detection. Graphene’s unique attributes pave the way for high-performance IR imaging and spectroscopy.

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How stressful will a trip to Mars be on the human body?

Preliminary research results for the NASA Twins Study debuted at NASA’s Human Research Program’s annual Investigators’ Workshop in Galveston, Texas the week of Jan. 23. NASA astronaut Scott Kelly returned home last March after nearly one year in space living on the International Space Station. His identical twin brother, Mark, remained on Earth. …

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