Even the best batteries fall far short of animal metabolism for energy storage. Fueling robots with ‘food’ could narrow the ...

In order to compete, robots needed to have a humanoid appearance and run on two legs. They ran in a separate, fenced-off lane from the humans, with staggered start times to reduce the risk that ...

In order to compete, robots needed to have a humanoid appearance and run on two legs. They ran in a separate, fenced-off lane from the humans, with staggered start times to reduce the risk that they’d ...