Whirlwind, a general term for any whirling body of air. The term is most often applied to whirling air created by the swift rising of warm air from near the surface of the earth. Whirlwinds include the "dust devils" that may be seen moving across a field or along a dirt road on a hot day, and the waterspouts of tropical seas.
We hear about humidity in just about every weather report on the nightly news. There are several different ways meteorologists measure humidity, but relative humidity is the most common measurement. What is relative humidity, though? Find out in this
He built President Eisenhower an indoor golf-training machine, analyzed the Zapruder film and searched for an Egyptian pyramid's treasure chamber using cosmic rays. Aren't you dying to meet this wide-ranging scientist?