Tag Archives: Stephen Till
![The Royal Navy submarine HMS Astute. Credit: LA(Phot) Paul Halliwell/MOD.](/wp-content/uploads/2015/08/Royal_Navy_Submarine_HMS_Astute_Returns_to_HMNB_Clyde_MOD_45153733-272x192.jpg)
Quantum Navigation
Above: The Royal Navy submarine HMS Astute. Credit: LA(Phot) Paul Halliwell/MOD. Will freezing sub-atomic particles one day supplant GPS as the primary navigation technology? Many of the most accurate measurement devices, including atomic clocks, work by observing how atoms transfer between individual quantum states. The longer the atomic transition can be observed, the more precisely it...