Physics
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Physics
3-D printed device cracks cocktail party problem
A plastic disk does what sophisticated computers cannot: solve the cocktail party problem.
By Andrew Grant -
Quantum Physics
Physicists get answers from computer that didn’t run
By exploiting the quirks of quantum mechanics, physicists consistently determined what a quantum computer would have done without actually running the computer.
By Andrew Grant -
Physics
Quest for room-temperature superconductivity warms up
Scientists have demonstrated that a material can conduct electrical current without resistance at temperatures as high as –70° Celsius.
By Andrew Grant -
Chemistry
Three kids’ science books offer fun, fascinating experiments
No matter what interests kids, there’s a do-it-yourself science book for them. Here are three with entertaining and educational options.
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Particle Physics
Antimatter doesn’t differ from charge-mass expectations
An experiment with unprecedented precision finds that protons and antiprotons have the same ratio of charge to mass, which is consistent with theories but disappoints many physicists.
By Andrew Grant -
Physics
3-D printed device cracks cocktail party problem
A plastic disk does what sophisticated computers cannot: solve the cocktail party problem.
By Andrew Grant -
Materials Science
Buckyballs turn on copper’s magnetism
Exposure to buckyballs bestows ironlike magnetic properties onto the normally nonmagnetic metals copper and manganese.
By Andrew Grant -
Quantum Physics
Quantum communication takes a new twist
A three-kilometer transmission of light above the Vienna skyline demonstrates that scientists can use the twistiness of light to encode delicate quantum information.
By Andrew Grant -
Physics
Revamping the metric measure of mass
The units of the metric system are on track for a 2018 makeover.
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Materials Science
Stretchy fiber lets electrons flow
Folded layers of carbon nanotubes allow an elastic fiber to conduct electrical current when stretched.
By Andrew Grant -
Materials Science
Stretchy fiber keeps electrons flowing
Folded layers of carbon nanotubes allow an elastic fiber to conduct electrical current when stretched.
By Andrew Grant -
Physics
Elusive particle shows up in ‘semimetal’
Weyl fermions, which resemble massless electrons, have been spotted inside tantalum arsenide. Their discovery comes 86 years after they were proposed.
By Andrew Grant