While the country bumpkin farmer stereotype might suggest otherwise, driving a tractor is difficult, requiring precision skills. Now Flemish engineers have announced a new self-driving tractor whose precision rivals that of a human driver. This could mean drastically lower operating costs for farmers, and a step towards automated agriculture.
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.