In 1874 a building was built which contained a steam fog whistle that had blasts of 5 seconds that were separated by 25 seconds of silence.
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A steam fog-horn was established at this station in 1903, followed by many alterations and additions over the years to the horn and lighting mechanisms as technology advanced.
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"' High temperature steam fog "'from underground steam utility lines used for commercial heat transfer, and small boiler sources, are also used by artists for atmospheric visual displays, and as a dynamic projection surfaces.
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Small steam devils occur at some of the larger hot springs in Yellowstone Park where a layer of steam fog hangs over the pools and wind can start to lift it up into fog streamers.
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The resulting large scale view is a layer of arctic steam fog close to the water surface, a layer of cumulus just above the convection boundary and a regular array of steam devils joining the two.
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Artistic use of steam fog was pioneered in the collaborative " Center Beam " artwork by the Center for Advanced Visual Studies at MIT . First shown in 1977 at documenta 6 in Kassel, Germany, it included steam works by Joan Brigham, Otto Piene, and Paul Earls.
