Motobot 2.0 is an autonomous robot designed to race a motorbike at high speed (Credit: Alamy)
The Thunderhill Raceway in California’s Sacramento Valley is soaked in the oil of motorsport history.
It is home to the longest automobile race in the United States, known as the 25 Hours of Thunderhill, and last September, it was host to a very different kind of race: a race between man and machine.
In the distance, a motorbike driver took the curves of the course like any other professional rider. It was only up close that reality hit the spectator: the rider wasn’t human. It was a blue humanoid robot that looked like it had stepped straight out of a screenshot from the computer game Halo.