China’s Winter Olympics are carbon-neutral — how?
Researchers commend Beijing for mitigating a wide range of emissions, but say that future games should wean themselves off carbon offsets.
Researchers commend Beijing for mitigating a wide range of emissions, but say that future games should wean themselves off carbon offsets.
The US House of Representatives has passed its America COMPETES Act, which includes money for science funding agencies. Scientists are cautious, but hopeful.
Crystal-lattice vibrations reveal the mechanism by which laser pulses can strip a metal of its magnetism. The vibrations absorb the angular momentum of electrons in a sample, allowing it to demagnetize.