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The wet-bulb temperature is the lowest temperature that may be achieved by evaporative cooling of a water-wetted, ventilated surface.. By contrast, the dew point is the temperature to which the ambient air must be cooled to reach 100% relative humidity assuming there is no further evaporation into the air; it is the temperature where condensation (dew) and clouds would form.
The wet-bulb globe temperature (WBGT) is a measure of environmental heat as it affects humans. Unlike a simple temperature measurement, WBGT accounts for all four major environmental heat factors: air temperature, humidity, radiant heat (from sunlight or sources such as furnaces), and air movement (wind or ventilation). [ 1 ]
‘Wet-bulb temperature’ refers to temperatures taken with a thermometer covered in a wet cloth, which are normally slightly cooler than ‘dry-bulb’ temperatures.
Wet bulb globe temperature is a better indicator of the risk posed by outdoor conditions than either heat index or temperature, experts say.
As the planet continues to get hotter, humans are at greater risk for heat-related illness and death but an index aims to avoid such.
Australian tonalism was an art movement that emerged in Melbourne during the 1910s. Known at the time as tonal realism or Meldrumism, the movement was founded by artist and art teacher Max Meldrum, who developed a unique theory of painting, the "Scientific Order of Impressions". He argued that painting was a pure science of optical analysis ...
An art movement is a tendency or style in art with a specific art philosophy or goal, followed by a group of artists during a specific period of time, (usually a few months, years or decades) or, at least, with the heyday of the movement defined within a number of years.
A few weeks later, Lewis took out an advertisement in The Spectator to announce the publication of 'The Manifesto of the Vorticists' – an English abstract art movement that was a 'parallel movement to Cubism and Expressionism' and would, the advertisement promised, be a 'Death Blow to Impressionism and Futurism'.