FluxNet the gas in question. This mass flux makes the FluxNet project a valuable tool to scientists trying to monitor long term changes in trace gas flux within the atmosphere. Many different forms of anemometer exist on the current market. Unfortunately, the majority of the anemometers can only measure wind velocity in one plane and require a certain start-up wind speed. Sonic anemometers are solid state devices that measure the wind speed by passing ultrasonic sound waves through the moving air. As wind speed changes, so does the air density and when the density changes, so does the speed of sound.
The Fox (What Does the Fox Say?) "YouTube Rewind: What Does 2013 Say?", a homage paid by YouTube to the year's top videos. The song has been featured for multiple times on television. It was used in an advertisement for the Fox Network featuring clips of FOX programs and actors singing the song. On 28 October, four contestants on the seventeenth season of "Dancing with the Stars" performed the song for the "Team Dance" week under the team name "Foxing Awesome", scoring a perfect 30. NBC's "Saturday Night Live" cast-member Jay Pharoah and host Kerry Washington appeared in a parody video of the song titled "My Girl"