In-ear EEG devices have become increasingly popular in the later stages of the last decade. Carel Wessels, the top student of Electronic Engineering at the University of Pretoria has now taken on a new challenge. He is designing and developing an in-ear EEG device for his master's studies at Stellenbosch University. He says the device will revolutionize industries such as the truck driving industry and the infant care industry. We find out more.