Latest story• Jan 25, 2026
This Autonomous Aquatic Robot Is Smaller Than a Grain of Salt
Smaller than a grain of salt and measuring just 0.3 millimeters, a revolutionary robot has shattered a 40-year barrier by becoming the first autonomous machine to slip beneath the one-millimeter threshold. Researchers from the University of Pennsylvania and University of Michigan conquered the physics-defying challenge of microscopic movement, where water feels like thick tar and traditional propulsion fails...