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In firearm optics, where 0.1 mrad per click is the most common mrad based adjustment value, another common rule of thumb is that an adjustment of 1 / 10 mrad changes the impact as many centimeters as there are hundreds of meters. In other words, 1 cm at 100 meters, 2.25 cm at 225 meters, 0.5 cm at 50 meters, etc. See the table below
For every 100 meters the user walks, one of the lower beads is pulled down. When the ninth of the lower beads is pulled, the user has walked 900 meters. When the user has walked 1000 meters, one of the upper beads is pulled down, and all the lower beads are pulled back up. Using this method, the user must know the number of paces walked in 100 ...
Otherwise, the distance the wheel traveled is the circumference of the wheel multiplied by the fraction of a full turn. In the figure on the right, the blue line is the reference starting point. As the wheel turns during measurement, it is seen that the wheel sweeps out an angle of 3 π / 4 radians, which is equal to 135 degrees or ...
Various marches of much longer distances are also a part of training such as the "Kepi march" of 50 kilometers (31 mi) in full combat gear carrying a rifle, helmet and 22 kilograms (49 lb) load and the "Raid march" of 100 km in full combat gear carrying a rifle, helmet and 22 kilograms (49 lb) load simulating the navigation to and raiding of ...
The measurement of ionizing radiation is sometimes expressed as being a rate of counts per unit time as registered by a radiation monitoring instrument, for which counts per minute (cpm) and counts per second (cps) are commonly used quantities.
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The term echolocation was coined by 1944 by the American zoologist Donald Griffin, who, with Robert Galambos, first demonstrated the phenomenon in bats. [1] [2] As Griffin described in his book, [3] the 18th century Italian scientist Lazzaro Spallanzani had, by means of a series of elaborate experiments, concluded that when bats fly at night, they rely on some sense besides vision, but he did ...
Click chemistry, a chemical philosophy; Click consonant, a speech sound; Click track, used in audio recording; Click (acoustics), a sonic artifact; Clicks, a South African pharmacy chain, part of New Clicks Holdings Limited; Heart click, a cardiac symptom; Hyundai Click, a car; Click (brand), a house brand of Bunnings Warehouse; Click!