Quantum technologies demand perfection: one photon at a time, every time, all with the same energy. Even tiny deviations in the number or energy of photons can derail devices, threatening the ...

On Election Day 2012, Colorado voters approved a ballot initiative legalizing the recreational use and sale of cannabis, making the state the first in America to do so. Twenty-three other states would ...

Harnessing quantum states that avoid thermalization enables energy harvesters to surpass traditional thermodynamic limits such as Carnot efficiency, report researchers from Japan. The team developed a ...