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

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

TORONTO (CTV Network) — We may soon be able to detect hydration levels, respiratory changes or a too-wet diaper, all with a new type of sensor — a pencil drawing. Researchers at Pennsylvania State ...