Physics
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We summarize the week's scientific breakthroughs every Thursday.
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EarthA hundred new nukes?
Here are some issues to contemplate while deciding whether to welcome the nuclear-power renaissance that Sen. Alexander has just proposed.
By Janet Raloff -
PaleontologyDiggin’ dinos
Structures found in Australian rocks may be the filled-in remains of the world’s oldest dinosaur burrows.
By Sid Perkins -
PhysicsRaindrops go it alone
A new study using a high-speed camera finds the shattering of solitary drips can produce a variety of sizes.
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ComputingRandom numbers faster
Researchers have devised a way to use a laser to create strings of orderless bits for encryption.
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ChemistryA new low for nano ice
A new study shows that nanoparticles of frozen water melt at drastically lower temperatures than water in bulk.
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PhysicsPseudo pores help fling spores
New studies reveal that a thick, soft plant expels its progeny in an unexpected way.
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PhysicsGraphene gains nearly perfect liquid status
Scientists have found that electrons in a layer of carbon atoms can become a strongly interacting swirling soup.
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PhysicsCapping the length of extra dimensions
The existence of a small, elderly black hole places a new upper limit on the length of any extra dimension, a new study suggests.
By Ron Cowen -
PhysicsMass mismatch makes mystery for proton’s strange cousin
An exotic cousin of the proton is caught in action again. But its measured mass doesn’t match previous results.
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PhysicsGlass beads cluster as they flow
High-speed camera catches liquidlike behavior in a stream of granular material.
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PhysicsMartian lightning
The Red Planet’s dust devils charge up particles, providing first direct evidence of this type of electrical discharge on Mars.