Physics
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Chemistry
Locks to learn
A new way to probe interactions between pairs of hairs could offer insights into fly-aways and other tonsorial woes.
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Physics
Light can generate lift
Researchers create a lightfoil that can push small objects perpendicularly.
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Physics
Nuclear split surprises
Physicists spot a new and unexpected type of lopsided fission in the element mercury.
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Physics
Dissolving a puzzle
A mathematical analysis shows what it takes to remove rock fast enough to create a cavern.
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Chemistry
The nitty-gritty of diamond polishing
Researchers figure out what happens at the atomic scale when jewelers polish the hardest substance known.
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Physics
Negative temperature, infinitely hot
Physicists propose using ultracold atoms to create a thermodynamics puzzle routinely in the laboratory.
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Tech
Newfound water risk: Lead-leaching valves
Hidden elements in drinking-water lines can shed large amounts of lead, a toxic heavy metal. And it's quite legal, even if it does skirt the intent of federal regulations.
By Janet Raloff -
Humans
Visor might protect troops from blasts
Computer simulations show that the current military helmet lets explosive forces into the head through the face.
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Physics
Antimatter, here to stay
Physicists trap antihydrogen for long enough to study the elusive material.
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Animals
Cats drink using lap-and-gulp trick
Felines imbibe by pulling up a column of fluid and then snatching a bit of it before it splashes back down.
By Susan Milius -
Quantum Physics
Like fate of cat, quantum debate is still unresolved
Entanglement is now one of the hottest research fields in physics. It is pursued not only for insights into the nature of reality, but also for developing new technologies.