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,
A Knight of the Word A Knight of the Word A Knight of the Word is a fantasy novel by American writer Terry Brooks, the second book in the "Word & Void series", a prequel to his "Shannara" series. It was first published in 1998 by Ballantine's Del Rey division (). The setting is primarily Seattle, Washington around Halloween in 2002, five years after the events of "Running with the Demon". The story follows John Ross as he attempts to leave his service to the Word, while Nest Freemark tries to restore his faith. It is followed by the novel "Angel Fire East". John Ross,