A destructive windstorm disrupted the power supply to more than a dozen atomic clocks that keep official time in the United States. Reading time 2 minutes The official standard time of the United ...

Physics is the search for and application of rules that can help us understand and predict the world around us. Central to physics are ideas such as energy, mass, particles and waves. Physics attempts ...

Where next? Quantum metrology, fusion and medical physics are three hot topics to be featured on Physics World Live this year. (Courtesy: iStock/shutter_m) I used to set myself the challenge every ...

Quantum deviations Large masses such as a galaxy curve space–time and objects move along geodesics within this curvature. If space–time itself has quantum properties, then deviations arise between a ...