Helium leaks are hard to detect. Helium is odorless, colorless, tasteless, and does not react with other chemical substances.

FORT INDIANTOWN GAP, Pa. – Infantry cadre assigned to 1st Battalion, 166th Regiment – Regional Training Institute (RTI) conducted Soldier Borne Sensor ...

Synthesis of nanostructured cubic phase SnO 2 thin film and its trace-level sensing of CO gas This study presents a cubic phase SnO 2 thin film gas sensor with ultra-high CO sensitivity and 1 ppb ...

Optical sensors are a broad class of device for detecting light intensity. This can be just a simple component for notifying when ambient light levels rise above or fall below a prescribed level, or a ...

A pulse oximeter measures blood oxygen levels at home and in healthcare settings. Abnormally low readings on a pulse oximeter might require medical care, especially if they are below 92%. Skin color ...