Search results
Results from the WOW.Com Content Network
A hygrometer is an instrument which measures the humidity of air or some other gas: that is, how much of it is water vapor. [1] Humidity measurement instruments usually rely on measurements of some other quantities, such as temperature, pressure, mass, and mechanical or electrical changes in a substance as moisture is absorbed.
Standard National Oceanic and Atmospheric Administration rain gauge. A rain gauge (also known as udometer, pluviometer, ombrometer, and hyetometer) is an instrument used by meteorologists and hydrologists to gather and measure the amount of liquid precipitation in a predefined area, over a set period of time. [1]
A Campbell–Stokes sunshine recorder. A sunshine recorder is a device that records the amount of sunshine at a given location or region at any time. The results provide information about the weather and climate as well as the temperature of a geographical area.
He invented the cyanometer for estimating the blueness of the sky, [10] [11] the diaphanometer for judging the clarity of the atmosphere, the anemometer and the mountain eudiometer. [ 6 ] Of particular importance was a hair hygrometer that he devised and used for a series of investigations on atmospheric humidity, evaporation, clouds, fogs and ...
Ultimately, creating an easy to use video streaming platform that wouldn't stress out the new internet users of the early 2000s. [14] The first YouTube video, titled Me at the zoo, was uploaded on April 23, 2005, and shows co-founder Jawed Karim at the San Diego Zoo and currently has over 120 million views and almost 5 million likes.
Water is coloured with potassium permanganate for easy visualization. Tube from the bucket is pulled up to the third floor of the building and the point where the liquid ceases to rise observed. The photo is taken from upward angle while performing Torricelli's experiment.
Claude Shannon (1916–2016), founder of information theory and modern cryptography, invented Minivac 601, and co-invented the first wearable computer (with Edward O. Thorp) Ugo Cerletti (1877–1963), together with Lucio Bini (1908–1964), Italy – Electroconvulsive therapy; Leona Chalmers (c. 1937), U.S. – modern menstrual cup
Fire hose: invented by Heron in the basis of Ctesibius' double action piston pump. [39] Allowed for more efficient fire fighting. Fire pump: an early device used to squirt water onto a fire was known as a squirt or fire syringe. Hand squirts and hand pumps are noted before Ctesibius of Alexandria invented the first fire pump around the 2nd ...