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The name SevenMeters derived from the realization that the water level will rise 7 meters if the global warming will melt all the ice in Greenland. In order to show what impact the possible climate change can have to the world, the SevenMeters group established 24 kilometers of red blinking LED-lights at 7 meters height during the UN's climate ...
The Saffir–Simpson hurricane wind scale (SSHWS) is a scale that classifies hurricanes—which in the Western Hemisphere are tropical cyclones that exceed the intensities of tropical depressions and tropical storms—into five categories distinguished by the intensities of their sustained winds.
The main ways water vapor is added to the air are: wind convergence into areas of upward motion, [12] precipitation or virga falling from above, [24] daytime heating evaporating water from the surface of oceans, water bodies or wet land, [25] transpiration from plants, [26] cool or dry air moving over warmer water, [27] and lifting air over ...
Height above mean sea level is a measure of a location's vertical distance (height, elevation or altitude) in reference to a vertical datum based on a historic mean sea level.
A milliradian (SI-symbol mrad, sometimes also abbreviated mil) is an SI derived unit for angular measurement which is defined as a thousandth of a radian (0.001 radian). ). Milliradians are used in adjustment of firearm sights by adjusting the angle of the sight compared to the barrel (up, down, left, or
Septuple meter (British: metre) or (chiefly British) septuple time is a meter with each bar (American: measure) divided into 7 notes of equal duration, usually 7 4 or 7 8 (or in compound meter, 21
Because they are used for domestic water measurement, piston meters, also known as rotary piston or semi-positive displacement meters, are the most common flow measurement devices in the UK and are used for almost all meter sizes up to and including 40 mm (1 + 1 ⁄ 2 in). The piston meter operates on the principle of a piston rotating within a ...
The term was coined by Jon Marshall. The first mention of Economy 7 is in 1978: [1] A new off-peak tariff known as the 'Economy 7' tariff was introduced in October [1978]. It featured a seven-hour night rate some 20 per cent cheaper than most night-time tariffs, made possible by economies in the night-time operation of the system.