LiFi one step closer to our homes

We all use Wi-fi nearly every day. It is short for wireless fidelity, using microwaves frequencies to transmit data to and from your phone. But, visible light can be used to for the same purpose - with a technology being developed at Edinburgh University called ‘Li-Fi’, which would be faster and more secure. It works by making the lights in a room flash incredibly quickly to send signals. It’s too fast for us to see, but does it nonetheless affect us, or the performance of the lights? Georgia Mills spoke with Wasiu O. Popoola to find out...