Do you read me HAL? Robot wars, moral machines and silicon that cares - Part 1

Robots are among us. They might be on their way in to childcare and aged care as silicon carers too. Will the 'digital natives' born today be more comfortable with that prospect? And, many thousands have now been deployed in Iraq and Afghanistan, with billions being invested in the development of fully autonomous killing agents. Will they fight fairly? Could they be more ethical and humane than humans? Over a series of shows, Natasha Mitchell speaks to leading roboticists and thinkers about the brave new now.