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1994 T5 lamps with cool tip are introduced to become the leading fluorescent lamps with up to 117 lm/W with good color rendering. These and almost all new fluorescent lamps are to be operated on electronic ballasts only. [4] 1994 The first commercial sulfur lamp is sold by Fusion Lighting.
1911: The cloud chamber, the first particle detector, is invented by Charles Thomson Rees Wilson. 1912: The first commercial slot cars or more accurately model electric racing cars operating under constant power were made by Lionel (USA) and appeared in their catalogues in 1912. 1912: The first use of articulated trams by Boston Elevated Railway.
[8] [9] He was the first to propose Radium as a treatment for cancer. [10] In 1903, he and Dr. Willy Meyer used radium to treat an incurable tumor, and it was observed to shrink and become less painful, though the patient was not cured. [11] He invented the luminous Radium dial for watches and other instruments, widely used in World War 1 and ...
Edward E. Hammer (December 27, 1931 – July 16, 2012) [1] was an engineer who was at the forefront of fluorescent lighting research. His technological contributions in incandescent, fluorescent and HID light sources earned him over 35 patents.
At age 21, he was running his own machinery shop in Savannah, Georgia. At this time, Bullock invented a shingle-cutting machine, but his business went broke when he was unable to market it. While in Georgia, Bullock married Angeline Kimball and had seven children with her. When his wife died in 1850, he married Angeline's sister Emily, who bore ...
The Moore lamp was the first commercially viable light-source based on gas discharges instead of incandescence; it was the predecessor to contemporary neon lighting and fluorescent lighting. [1] In his later career Moore developed a miniature neon lamp that was extensively used in electronic displays, as well as vacuum tubes that were used in ...
An engineer made history as Georgia Tech’s first Black graduate; 59 years later, he passes the torch to his granddaughter Ashley R. Williams, CNN May 5, 2024 at 8:46 PM
It was first illuminated in 1901, and has only been turned off a few brief times since. It is located at 4550 East Avenue, Livermore, California , and is open to public viewing. [ 1 ] Due to its longevity, the bulb has been noted by The Guinness Book of World Records , [ 2 ] Ripley's Believe It or Not! , and General Electric . [ 3 ]