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To prepare the bed for sleeping, the cowboy laid it out with the tarp folded roughly in half at the middle, creating a near-square 6–7 ft. wide and 7–9 ft. long, and centered his bedding between the two long edges, with the top side of the tarp (2.5 to 3 ft. longer than the bottom, so it could be pulled completely over his head if desired ...
In winter, the process is reversed so that the roof pond is allowed to absorb solar radiation during the day and release it during the night into the space below. [38] [39] Indirect radiant cooling - A heat transfer fluid removes heat from the building structure through radiate heat transfer with the night sky. A common design for this strategy ...
Precipitation is measured using a rain gauge, and more recently remote sensing techniques such as a weather radar. When classified according to the rate of precipitation, rain can be divided into categories. Light rain describes rainfall which falls at a rate of between a trace and 2.5 millimetres (0.098 in) per hour. Moderate rain describes ...
Diagram showing displacement of the Sun's image at sunrise and sunset Comparison of inferior and superior mirages due to differing air refractive indices, n. Atmospheric refraction is the deviation of light or other electromagnetic wave from a straight line as it passes through the atmosphere due to the variation in air density as a function of height. [1]
Cloud physics is the study of the physical processes that lead to the formation, growth and precipitation of atmospheric clouds. These aerosols are found in the troposphere , stratosphere , and mesosphere , which collectively make up the greatest part of the homosphere .
Seasonal Affective Disorder (SAD) is more common in winter due to the lack of sunlight, causing sleep disturbances. Dry air in winter can lead to discomfort and increased risk of illness. 3 Winter ...
"High school physics textbooks" (PDF). Reports on high school physics. American Institute of Physics; Zitzewitz, Paul W. (2005). Physics: principles and problems. New York: Glencoe/McGraw-Hill. ISBN 978-0078458132
A rain roof is a second, newer roof that has been constructed over an existing roof that has failed, or which has inadequate slope to shed rain. Since such additional spaces may not be visible or accessible, the concealed void presents a particular hazard in firefighting operations, as a fire may develop or persist in such a space undetected.