About Wearable technology, also known as “wearables,” is a category of electronic devices that can be worn as accessories, embedded in clothing, implanted in the user’s body, or even tattooed on the skin. The devices are hands-free gadgets with practical …
About Nitrogen dioxide (NO2) is a gaseous air pollutant composed of nitrogen and oxygen. It is a reddish-brown, pungent, acidic gas that is corrosive and strongly oxidising. It is one of a group of highly reactive gases known as oxides …