Proponents of self-driving cars say they'll make the world safer, but autonomous vehicles need to predict what bicyclists are going to do. Now researchers say part of the answer is to have bikes feed information to cars.
A few years ago on Google's campus, Nathaniel Fairfield arranged an unusual lunch break.
He asked a bunch of staff to hop on bikes and ride around and around a self-driving car to collect data. "It was kind of gorgeous," he says.