Abstract: Paper-based humidity sensors have attracted considerable research attention due to their low cost, flexibility, and biodegradability. The problem of current paper-based humidity sensors is ...

Abstract: Terahertz (THz) waves are highly sensitive to humidity changes due to the strong absorption properties of water molecules in this electromagnetic range. Based on this, this letter proposes a ...

Installing a smart water sensor can save you a lot of money and hassle. The best leak detectors we've tested immediately alert you to issues and even shut off your home's water supply. I’ve been ...