Sophie is admiring Chris from afar when her phone application Ada suggests ways of communicating with Chris and attracting his attention. Through comparing gossip travelling around a school to sound ...

All-optical wavelength shifting in a wavelength-division-multiplexing (WDM) fibre network could enable new forms of enhanced reconfigurable optical add/drop multiplexers and could also resolve channel ...

Researchers experimentally determined a property of cadmium called the magic wavelength which is considered essential for the development of the most accurate clocks ever envisaged. The researchers ...

When light enters from one medium to another, its speed changes as it chooses the shortest route to cross the medium thereby deviating from its original path in the ...

Microwaves are a type of electromagnetic radiation, as are radio waves, ultraviolet radiation, X-rays and gamma-rays. Microwaves have a range of applications, including communications, radar and, ...