That's because engineers at Northwestern University in Illinois have created what they claim to be the smallest remote control robots ever made.

Tech Humanoid robot performs medical procedures via remote control Could these advanced robots be what struggling healthcare systems need?

What just happened? Researchers from Northwestern University have created the world's smallest remote-controlled walking robot. Modeled after a peekytoe crab, it measures just half a millimeter wide ...

Northwestern University’s robot crab is half a millimeter wide and can sit on the side of a penny.