Ultrasonic sensors measure the distance between a target and the sensor using high-frequency sound waves that are inaudible to humans. The process is simple: the sensor emits ultrasonic waves, which ...

A special sensor can accommodate various device sizes while recording accurate notes regarding substance levels such as blood, insulin, and IV fluids. A non-contact level sensor does not come into ...

This footage shows the fluorescent sensors in action inside a living cell. They appear as bright green spots the moment they bind to sites of DNA damage. Cancer research, drug safety testing and ...