Signs and symptoms. Eye floaters are suspended in the vitreous humour, the thick fluid or gel that fills the eye. The vitreous humour, or vitreous body, is a jelly-like, transparent substance that fills a majority of the eye. It lies within the vitreous chamber behind the lens, and is one of the four optical components of the eye.
Wind speed is a measurement of the speed of movement of the air, and is typically reported in miles per hour (mph) or kilometers per hour (kph). Reports for maritime and aeronautical operations may use those or knots (nautical miles per hour).
Answer by Julia Werner. Confidence votes 2.3K. An anemometer or windmeter is the device that measures wind speed. They are usually divided into those that measure the wind's speed and it's pressure. The first known anemometer was described in 1450 by Leon Battista Alberti.