IEEE puts the spotlight on LiFi tech

Fibre, cellular and Wi-Fi have been officially joined by an illuminating new network technology.
Standards body IEEE has given the rubber-stamp treatment to 802.11bb, also known as LiFi, which enables data transfer using light waves rather than radio frequencies. It is essentially an LED lightbulb that flickers so quickly it is imperceptible to the human eye – that flickering is light waves being modulated for the purposes of transmitting data to a receiver.
The technology has been in deve