Jeff Kettle is a Lecturer in Electronic Engineering at Bangor University.
Internet servers require a huge amount of energy to operate. Electronic engineer Jeff Kettle discusses the need to make internet usage more sustainable.
The thermoelectric generator harnesses the flow of heat between two surfaces - one exposed to the cold sky at night. It could be the nocturnal cousin of solar power, lighting the lives of...
Organic solar cells are cheap and are flexible enough to power minuscule sensors whatever their shape. The cells can be just two micrometres thick, but they are able to absorb a huge amou...