Perhaps people may have been wondering how SEGmeter works? Well, we've been so busy doing stuff, that we may have overlooked this. Anyway, it's pretty simple, and in the interests of less words here is...
Physicists toiling away at the University of Miami have some across a way to store energy that's just amazing - a spin battery, "charged" by applying a large magnetic field to nano-magnets in a device...
Well plenty! You see, we literally live in a sea of them. Fundamentally we are made from them (and other atoms...), and we use a hell of a lot of them to do things for...