Physics
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We summarize the week's scientific breakthroughs every Thursday.
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PhysicsTaming turbulence from afar
New research shows that measurements of smooth fluid motion away from an object can be used to characterize the roiling flow right up next to it.
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SpaceThe incredible shrinking proton
If the subatomic particle really is smaller than thought, a cherished theory may need tweaking.
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SpaceMaking lemonade with quantum lemons
Physicists produce “spooky action at a distance,” using a phenomenon that would usually disrupt it.
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PhysicsMemories made of light
Physicists find a more efficient way to store quantum information in a crystal, a step towards super-secure quantum communications.
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PhysicsPhysics in free fall
Physicists drop supercold atoms down an elevator shaft to see what will happen.
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PhysicsBouncing beads outwit Feynman
Ratchet-and-pawl thought experiment whirs to life, extracting work from bouncing beads.
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PhysicsA giant proposal for a new type of molecule
Atoms linked across vast distances, can point in two directions at once
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PhysicsLaw & Disorder: A Companion
More resources about how physicists and philosophers understand time.
By Science News -
Materials ScienceQuantum photocells might cheat efficiency limits
Factoring in quantum coherence could increase efficiency of harnessing sunlight in photovoltaic cells.
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HumansTeeth as a forensic clock
Here’s something we’re likely to see that endearing techno whiz kid, Abby Sciuto, whip out of her forensic arsenal next season on NCIS. They’re chemical and nuclear technologies to date teeth. When paired up, new research indicates, they’ll identify not only when people were born but also the age at which they clocked out — thereby pointing to the general date of death.
By Janet Raloff -
PhysicsSome ‘ball lightning’ reports may be hallucinations
Magnetic fields generated by real bolts could trigger visual effects in the brain.