Please subscribe to Hay Player for access to this content (more details)
Subscribe for £15.00 or log in if you already have a subscription
Cambridge Series 18: How Light can Improve your Life
Hay Festival 2016
Those teeny lights aren’t just for show: LEDs help us to sleep better, fight cancer, prevent identity theft, and communicate with the Internet of Things. Dr Sahonta is based at the Cambridge Centre for Gallium Nitride.