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Aug 8, 2017 · Haroon Mirza’s works test the interplay and friction between sound and light waves and electric current. He devises kinetic sculptures, performances and immersive installations, such as The National Apavillion of Then and Now (2011) – an anechoic chamber with a circle of light that grows brighter in response to increasing noise.
The first electric lamps used carbon filaments, and although initially rather bright and efficient, became duller during use due to deposition of carbon onto the inside of the glass bulb. This was one of the reasons why Fleming had been hired by Britain's leading electric lamp Company.
In what are considered to be independent lines of inquiry, Swan's incandescent electric lamp was developed at the same time that Thomas Edison was working on his incandescent lamp, [35] with Swan's first successful lamp and Edison's lamp both patented in 1880.
The incandescent light bulb, which Swan independently developed around the same time as Thomas Alva Edison in the United States, was a transformative innovation. With his bulb, Swan ushered in a new era of electric illumination, replacing the unreliable and hazardous gas lighting of the time.
The electric light bulb inspired the development of the radio valve and the television tube. Can we imagine what the world would have been like in the 20th and 21st centuries without the light...
May 31, 2015 · In 1807 Thomas Young (1773-1829) coated a glass cylinder with lamp-black, pushed a pin through a flexible diaphragm, and by shouting into the diaphragm was able to see the sound waves scratched into the lamp-black.
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May 30, 2011 · The use of electricity for the purpose of lighting truly began with a British engineer named Frederick Hale Holmes, who in 1846 patented an electric arc lamp and with Michael Faraday pioneered the electrical illumination of lighthouses in the 1850s and 60s.