Physics
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We summarize the week's scientific breakthroughs every Thursday.
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ChemistrySafe salt could yield cheaper, more efficient solar cells
Magnesium chloride could be the key ingredient for concocting efficient solar cells with cadmium telluride.
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PhysicsTiny silica spheres put the disco in disco clams
The electric effect in disco clams is actually the result of light scattering off tiny silica spheres.
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Science & SocietyWeapon inspection scheme would test for nukes but keep designs secret
Technique borrowed from computer science could improve weapon verification and encourage countries to agree to nuclear disarmament.
By Andrew Grant -
LifeBacteria’s tail spins make water droplets swirl
When bacteria band together, they can turn a fairly tame drop of water into a swirling vortex.
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Particle PhysicsIt’s almost time to get to know the Higgs boson better
The next run of particle collisions at the Large Hadron collider will examine details about how the Higgs boson interacts with other particles to search for clues to new physics.
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Quantum PhysicsElectrons’ magnetic interactions measured
Using characteristics of quantum mechanics, the minuscule magnetic interaction between two electrons has been measured.
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Quantum PhysicsCommercial quantum computer fails to impress in new test
Fifteen million dollar D-Wave machine runs no faster than traditional computer in head-to-head challenge.
By Andrew Grant -
PhysicsSupercooled liquid water hits record low
Weird supercooled water well below its freezing point viewed with ultrafast laser.
By Andrew Grant -
TechRobo-fly steadies flight with onboard sensor
Scaling a robot to the size of a fly and stabilizing its flight with onboard sensors offers clues to how live insects stay steady in mid-air.
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PhysicsEnergy-efficient laser works at room temperature
A room-temperature polariton laser, which requires little electricity, could improve electronics and medical devices.
By Andrew Grant -
Quantum PhysicsHow to build a quantum-entangled superclock
A blueprint for a quantum-entangled superclock suggests that such a device could enable startlingly precise measurements of Earth’s terrain.
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Materials ScienceNew invisibility cloak hides in the fog
A simple invisibility cloak relies on hazy environments to mask objects.
By Andrew Grant