For decades, chemists have chased a deceptively simple dream: a molecule that spins in only one direction, like a microscopic ...

Researchers have developed a self-powered angular displacement sensor that combines triboelectric nanogenerator technology ...

Engineers who want to measure and control rotating antennas, fluid flow direction, or a robotic arm joint can now use a Two-Pi hallpot angle sensor from Elweco Inc., Painesville, Ohio, to measure the ...