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Aerolux bulbs consumed about 3-5 watts of power. The bulbs had high yield of light produced versus electricity consumed, generally in the range of 50-60 lumens/watt, compared to 12-18 lumens/watt for a tungsten filament incandescent bulb. [9] [failed verification]
Two examples of fluorescent blacklight bulbs with light fixtures and packaging and a novelty incandescent bulb. Although blacklights date to 1903 with the development of the optical filter glass Wood's glass, fluorescent ink was not developed until 1932 when the Switzer brothers were inspired by a Popular Science magazine article to experiment in their father's pharmacy.
Work No. 227: The lights going on and off [1] is an installation by British artist Martin Creed.As of 2013, it forms part of the permanent collection at Tate Britain. [2] The installation is widely considered to be one of Creed's signature art works [3] and has also been described as Creed's "most notorious work".
A blue lava lamp. A classic lava lamp contains a standard incandescent or halogen lamp which heats a tall (often tapered) glass bottle. A formula from a 1968 US patent consisted of water and a transparent, translucent, or opaque mix of mineral oil, paraffin wax, and carbon tetrachloride.
Street Light (also known as The Street Light: Study of Light and Street Lamp (Suffering of a Street Lamp) [3]) (Italian: Lampada ad arco) is a painting by Italian Futurist painter Giacomo Balla, dated 1909, depicting an electric street lamp casting a glow that outshines the crescent moon.
This series explores aspects of America that may soon be just a memory -- some to be missed, some gladly left behind. From the least impactful to the most, here are 25 bits of vanishing America.
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Light painting inside an abandoned limestone quarry in France. Light painting, painting with light, light drawing, light art performance photography, or sometimes also freezelight are terms that describe photographic techniques of moving a light source while taking a long-exposure photograph, either to illuminate a subject or space, or to shine light at the camera to 'draw', or by moving the ...