gps Archive

futureAtomic Cloud Observations go beyond Heisenberg limits

Researchers used laser light to link caesium atoms and a vibrating membrane. The research, the first of its kind, points to sensors capable of measuring movement with unseen precision beyond Heisenberg limits. A number of experiments – demonstrate that Heisenberg’s …

futureIndoor GPS using smartphones

A NIST-led research team spent more than 18 months collecting data from four different smartphone models to facilitate the development of indoor navigation apps. The data, which includes smartphone sensor readings, radio frequency (RF) signal strengths and GPS fixes, should …