Anemometer Lind was not the first it was the most practical and best known anemometer of this type. If the wind blows into the mouth of a tube it causes an increase of pressure on one side of the manometer. The wind over the open end of a vertical tube causes little change in pressure on the other side of the manometer. The resulting elevation difference in the two legs of the U tube is an indication of the wind speed. However, an accurate measurement requires that the wind speed be directly into the open end of the tube; small departures
What Does It Take (Dave Days song) What Does It Take (Dave Days song) "What Does It Take" is a song by American singer Dave Days. It served as the third and final single from his 2010 EP "Dinner and a Movie". It is one of Dave's most recognizable songs, and was also played on Disney Channel's So Random!. The song's music video is set in a high school, where Dave realizes he has gotten the lead part in the school play. Amanda Lynn (Days' interest in the video) sees she has gotten the second lead, and runs to her boyfriend, who ignores her. Days and Lynn