gadgets Archive

Google Glass having workplace success

Google Glass is becoming successful in the workplace “It’s a big market today, and it will be an even bigger one in the future,” said Brian Ballard, founder and chief executive officer at Upskill, a Google Glass partner that makes …

Entanglement of quantum clocks through gravity

Researchers find that there exist fundamental limitations to the joint measurability of time along neighboring space–time trajectories, arising from the interplay between quantum mechanics and general relativity. Because any quantum clock must be in a superposition of energy eigenstates, the …