Machines that can choose who to kill independently of a human operator are coming, to the concern of ethicists and roboticists alike.
We created them because we need them, but they may well come to realise that they do not need us.
At just 13 inches tall, cheery-faced Kirobo is designed to help astronauts cope with loneliness during missions.
The robots may be taking our jobs - even making our coffee - but that doesn't mean we'll be fond of them.
Hugh Loebner is offering researchers $100,000 to develop a computer that thinks like a human. But is that really the best use of artificial intelligence?