It looks like a Teletubby that's had all its skin burned off in an industrial accident, but don't let that put you off - the Heart Robot is very friendly on the inside. Designed by The University of the West of England's David McGoran, the robot likes a good cuddle. Its heart starts pounding when it's particularly excited, plus its eyes flutter when you touch it - and its puny limbs tense themselves for a smack round the head or a shove down the stairs when it hears raised voices...