Everyone is familiar with pinwheels, and few of us haven’t crafted one from a square of paper, a stick, and a pin. Pinwheels are pretty optimized from a design standpoint, and are so cheap and easy to ...

[Nubmian] wrote in to share his experiments with measuring airflow in an HVAC system. His first video deals with using with ultrasonic sensors. He found an interesting white paper that described ...

Posifa Technologies today introduced its new PMF82000 series mass air flow sensors, combining accurate low-flow measurement with fast electrical response and a low pressure drop to help designers ...