Researchers have succeeded in developing the smallest fully autonomous robot in history. It measures less than 1 millimeter and can swim underwater for months powered only by light.

Entangled atoms, separated in space, are giving scientists a powerful new way to measure the world with stunning precision.

Researchers at the University of Basel and the Laboratoire Kastler Brossel have demonstrated how quantum mechanical ...

Abstract: Distance is an important parameter in intelligent control. Common ranging methods include laser, microwave, infrared, and ultrasonic ranging. Ultrasonic has a broad application prospect in ...

Abstract: The paper presents a system based on an ultrasonic emitter and two ultrasonic receivers which can locate more precise an object located in their detection range, being able to measure the ...