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Circular and U-shaped lamps were devised to reduce the length of fluorescent light fixtures. The first fluorescent light bulb and fixture were displayed to the general public at the 1939 New York World's Fair. The spiral CFL was invented in 1976 by Edward E. Hammer, an engineer with General Electric, [7] in response to the 1973 oil crisis. [8]
We mean it. Read no further until you really want some clues or you've completely given up and want the answers ASAP. Get ready for all of today's NYT 'Connections’ hints and answers for #553 on ...
Fluorescent bulbs contain mercury, a toxic substance. The United States Environmental Protection Agency (EPA) provides safety guidelines for how to clean up a broken fluorescent bulb. [17] Mercury can be harmful to children and developing fetuses, so children and pregnant women should avoid being in the area whilst a broken bulb is cleaned up. [18]
An electric light, lamp, or light bulb is an electrical component that produces light. It is the most common form of artificial lighting . Lamps usually have a base made of ceramic , metal, glass, or plastic which secures the lamp in the socket of a light fixture , which is often called a "lamp" as well.
An incandescent light bulb has a CRI of 100. [1] High-CRI LED lighting is a light-emitting diode (LED) lighting source that offers a high color rendering index (CRI). CRI is a quantitative measure of a light's ability to reproduce the colors of objects faithfully in comparison with an ideal or natural light source.
Among the keywords you can find in Connecticut law include "silly string," "balloons" and "arcade games." All these topics are involved in some of the state's strangest laws.
The Association for Intercollegiate Athletics for Women was founded in 1971 to govern collegiate women's athletics and to administer national championships.During its existence, the AIAW and its predecessor, the Division for Girls' and Women's Sports (DGWS), recognized via these championships the teams and individuals who excelled at the highest level of women's collegiate competition.
San Francisco's Jake Moody missed three field goals Sunday afternoon against Tampa Bay, but made one that he needed to — a 44-yard game-winner as time expired to kick San Francisco to a 23-20 ...