Issue Date: Aug 15, 2012
What is this new device and how would it help?
It is a small hand-held device that can detect the levels of 16 different air pollutants in ambient air. It warns you with a beep sound when the levels of a pollutant exceeds the safe limit. This alerts people and they can move out of the area.
What are the gadget’s unique features?
M D Shirsat