robot

microbots
Provided / Purdue University

Smaller than the head of a pin, the microTUM tumbles end over end through bumpy, steep and wet topography to reach its final destination. Purdue University researchers hope the microscale magnetic tumbling robot they've designed will eventually be able to deliver drugs to a specific location in the human body.

Ann Thompson / WVXU

Older adults at The Knolls of Oxford, a continuing care retirement community, are embracing robotic pets. Two pretend cats and a dog now make their home there and don't have any trouble making friends.