Praharsha Anand

Praharsha Anand is a business and technology writer based in Bangalore, India. Her articles have appeared in science and technology magazine E&T, Inspiration Unlimited eMagazine and on, among other print and web publications.

All about scavenger robots that consume metal for energy

Much like the eating habits of biological species, the University of Pennsylvania’s scavenger robots can ‘eat’ energy from metal surfaces to power portable electronics. For a long time now, factories and warehouses have employed autonomous robots to perform heavy-duty and repetitive tasks, from raw material handling to finished goods packaging. Yet when it comes to recharging, manual intervention remains inevitable. Refuelling happens most commonly in one of two ways: energy harvesters and bat