How are we to ensure that autonomous machines act ethically? Teaching machines ethics, or getting them to follow whatever the community favors, may not work. Instead, one can use AI to find out what the ethical preferences of its human users are, in a way similar to how we learn about consumer...

Three kinds of people call for the regulation of artificial intelligence:A) Those who believe that robots will come to dominate us. We show that these concerns are too speculative to slow down a field that saves many lives, for instances of driving. B) Those who fear that autonomous weapons will...