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? feel less like real people than excuses to weave in a few good dad jokes". Overall, Elan found, "What lifts the show are the elements of diaspora life weaved throughout, as when Aunty Princess visits from Nigeria and accuses Virginia [Stephen's mother] of cultural betrayal ('You have adopted too many fine and fancy British ways'). Stephen defends the family by suggesting she should 'go back home', prompting him to reflect that he has turned into his own racist enemy. It's unexpectedly thoughtful stuff, suggesting the third series may be even better." What Does the K Stand For? What Does the