Psychologists have been scratching their heads for years to try and fathom why humans are able to attach an emotional presence to mere machines, Discovery News reports. It partly boils down to vanity; we like our own reflection. At an art fair recently, my friend Rose fell in love with a robot. The installation in question was a tall, dark mash of technological parts. It bore a loudspeaker for a head, its eyes formed out of the speaker cones. It beckoned us with arms built from skinny windscreen wipers…