Once you’ve indulged in a bit of schadenfreude and watched the CEO of ‘perpetual motion’ company Steorn explaining why it is that his demo failed to work, marvel at the fact that magnetism can be used to create a ready source of energy – this
little gadget is powered by small vibrations {correction} moving a bundle of tiny magnets, which creates a tiny electric current that can power an equally tiny electronic device, like a sensor. How great would it be to have a phone you could recharge with a vigorous shake?