Proximity sensors, which are designed to detect the presence of nearby objects without any physical contact, have evolved from narrow application in industrial automation systems into broad use. They ...

Amanda Blum is a freelancer who writes about smart home technology, gardening, and food preservation. Previously, Amanda has worked as a technology strategist specializing in problem solving and ...

Consumer devices like cell phones are using more and more sensors to save power and enhance our interaction with them. Some of the latest devices have more than 10 sensors. It is a natural question ...