This approach eliminates costly metals, toxic chemicals and specialised fabrication infrastructure — opening the door to ...

Gauhati University researchers have created a flexible, low-cost sensor using pencil, paper and graphene, marking a step ...

Scientists have invented a paper-like, battery-free, AI-enabled sensor patch -- PETAL -- for convenient and effective monitoring of wound recovery. This novel technology provides early warning of ...

Guwahati: Developed at an extremely low cost, using pencil, paper and graphene oxide, researchers at Gauhati University claim to have built high-tech sensors, which can help farmers check humidity in ...

To diagnose conditions such as sleep apnea, doctors monitor patients’ respiration rates with devices that can be cumbersome and expensive. George M. Whitesides and coworkers at Harvard University have ...