The maintenance of optimal indoor air quality necessitates vigilant temperature monitoring within the room. If the room becomes excessively hot, the individual should activate the air conditioner.

During the hot, humid summer months, meteorologists often discuss the heat index instead of the actual air temperature. But how is the heat index calculated, and why is it more important than the air ...

David Nield is a technology journalist from Manchester in the U.K. who has been writing about gadgets and apps for more than 20 years. He has a bachelor's degree in English Literature from Durham ...