Ceiling fan be used to reduce the stratification of warm air in a room by forcing it down to affect both occupants' sensations and thermostat readings, thereby improving climate control energy efficiency. Punkah-type ceiling fans date back to 500 BC, and are native to India. Unlike modern rotary fans, these punkah fans move air by moving to and fro, and were operated manually by cord. The first rotary ceiling fans appeared in the early 1860s and 1870s in the United States. At that time, they were not powered by any form of electric motor. Instead, a stream of running water was used,
Ascent of the A-Word Ascent of the A-Word Ascent of the A-Word: Assholism, the First Sixty Years is a 2012 book by the American linguist Geoffrey Nunberg which analyzes the history of the epithet "asshole". In "Ascent", Nunberg traces to World War II the origins of the word as an epithet, when it was used as a term of abuse for superior officers considered abusive or self-important. Following the soldiers' return home from the war, the term spread to "movement radicals", and, by the 1970s, to everyday discourse as a replacement for "heel", "cad" and other milder insults. According to Nunberg, the Internet has