Anemometer use is constructed from a ping-pong ball attached to a string. When the wind blows horizontally, it presses on and moves the ball; because ping-pong balls are very lightweight, they move easily in light winds. Measuring the angle between the string-ball apparatus and the vertical gives an estimate of the wind speed. This type of anemometer is mostly used for middle-school level instruction, which most students make on their own, but a similar device was also flown on Phoenix Mars Lander. The first designs of anemometers that measure the pressure were divided into plate and tube classes. These are the
What Does the K Stand For? sitcom". Writing in "The Guardian" in February 2015, Priya Elan judged that, "Standup comedian Stephen K Amos's jaunty sitcom "What Does The K Stand For?" (Radio 4) reaches the end of its second series with possibly the best episode yet. With shades of Chris Rock's "Everybody Hates Chris", Amos takes us back to his 80s childhood, growing up gay and black in a dysfunctional household". However, he added, "Playing it broad by mixing farce with double entendres, the sitcom is slightly uneven: although the family are drawn with wit and sympathy, minor characters like the actress turned teacher Miss Bliss