The Rakuten Kobo Libra Colour is coming out at the end of April, and this device has lots to be excited about. It employs the latest generation of E INK Kaleido 3 e-paper. What are the major selling ...

The increasing miniaturization and resolution of consumer electronics poses quandaries for generating colour in imaging devices, which plasmonic nanostructures may be able to overcome. Digital cameras ...

Subwavelength holes in metal films are well known to offer extraordinary-light-transmission properties. Now a group of scientists in France have exploited such nanoholes to sort photons by colour.