IR sensors rely on an emitter (IR LED) and a detector (photodiode or photoresistor) to measure infrared light and convert it ...

Nano-sensors that work without batteries or wires could pave the way for more comfortable, less obtrusive sleep and health ...

From a physiological perspective, heartbeats and breathing do not operate independently in the human body. Cardiac rhythm ...

Babies cannot explain what they are feeling, but the smart pacifier could give clinicians a clearer picture of respiratory ...