
Physics
In a breakthrough experiment, fusion gave off more energy than it used
The sun creates energy through nuclear fusion. Now scientists have too. This achievement raises hopes for developing a new type of clean energy.
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The sun creates energy through nuclear fusion. Now scientists have too. This achievement raises hopes for developing a new type of clean energy.
Knowing the decay rate of radioactive elements can help date ancient fossils and other artifacts.
Neutrons are one of the main building blocks of atoms and have no electric charge.
A craterlike structure found off the coast of West Africa might have been formed by an asteroid that struck around the time dinosaurs went extinct.
Zinc levels in shark teeth hint that megalodons and great whites competed for food — and great whites won.
These positively charged particles are important building blocks in atoms.
Chemical hints observed in zircons suggest when the important process of plate tectonics first took off.
This word can refer to rotting flesh or the transformation of radioactive atoms.
Tiny bdelloid rotifers awake from a 24,000-year slumber when freed from the Arctic permafrost.
More precise clocks could improve technologies such as GPS and help scientists test major ideas in science.