Once the microrobot reached its target, the scientists could use a high-frequency magnetic field to heat the microrobot, ...

Sweera Kshitij Sharma, 14, has been building robots for years. It started with a programming toy – a mouse that could navigate simple mazes – her father gave her when she was just five years old.

A little robot gobbles up little blocks on the floor of St. Michael's Catholic Preparatory School's gym. In the skies above ...