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2. EMF measurement - Wikipedia

   en.wikipedia.org/wiki/EMF_measurement

   Meters. An EMF meter is a scientific instrument for measuring electromagnetic fields (abbreviated as EMF). Most meters measure the electromagnetic radiation flux density (DC fields) or the change in an electromagnetic field over time (AC fields), essentially the same as a radio antenna, but with quite different detection characteristics.

3. Kearny fallout meter - Wikipedia

   en.wikipedia.org/wiki/Kearny_Fallout_Meter

   Devised in 1978 by Cresson Kearny, the Kearny fallout meter is an application of the gold-leaf electroscope developed in 1787 by Abraham Bennet. [3] Prior to this, the use of the electrometer principle for radiation detection had seen widespread application in the form of the quartz fiber dosimeter. Professional radiation meters, while more ...

4. Daewoo Precision Industries K2 - Wikipedia

   en.wikipedia.org/wiki/Daewoo_Precision_Industries_K2

   The K2 is also sometimes used with bipods and 4× magnification scopes, in a role similar to the Designated Marksman Rifle. A more modern way to accessorize the K2 and K1 is to mount a now (limited) standard issue PVS-4K Rail Integration System. It consists of an aluminum body with a long, uninterrupted rail for optical/red-dot and night-vision ...

5. K2 Black Panther - Wikipedia

   en.wikipedia.org/wiki/K2_Black_Panther

   K2 Black Panther (Korean: K-2 흑표; Hanja: K-2 黑豹; RR: K-2 Heukpyo) is a South Korean main battle tank, designed by the Agency for Defense Development and manufactured by Hyundai Rotem. The tank's design began in the 1990s to meet the strategic requirements of the Republic of Korea Army 's reform for three-dimensional , high-speed ...

6. Motor constants - Wikipedia

   en.wikipedia.org/wiki/Motor_constants

   Motor velocity constant, back EMF constant. is the motor velocity, or motor speed, [2] constant (not to be confused with kV, the symbol for kilovolt ), measured in revolutions per minute (RPM) per volt or radians per volt second, rad/V·s: [3] The rating of a brushless motor is the ratio of the motor's unloaded rotational speed (measured in RPM ...

7. 1953 American Karakoram expedition - Wikipedia

   en.wikipedia.org/wiki/1953_American_Karakoram...

   The 1953 American Karakoram expedition was a mountaineering expedition to K2, at 8,611 metres the second highest mountain on Earth. It was the fifth expedition to attempt K2, and the first since the Second World War. Led by Charles Houston, a mainly American team attempted the mountain's South-East Spur (commonly known as the Abruzzi Spur) in a ...