Robots run out of energy long before they run out of work to do − feeding them could change that
- Written by James Pikul, Associate Professor of Mechanical Engineering, University of Wisconsin-Madison

Earlier this year, a robot completed a half-marathon in Beijing in just under 2 hours and 40 minutes. That’s slower than the human winner, who clocked in at just over an hour – but it’s still a remarkable feat. Many recreational runners would be proud of that...