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A change in the speed of light would quite literally end the world as we know it. The speed of light is not an arbitrary speed with no effect on outside systems, but is in fact a component in one of the most fundamental equations in the universe[6], the equation for matter: E = mc2 where E is energy, m is mass, and c is the speed of light in a vacuum.[7] This means that any increase of the speed of light would in turn increase the amount of energy released by the reactions of matter. Because the Sun, or indeed any star, relies on the reactions of matter, most notably nuclear fusion, a change in the speed of light would alter its energy output; if light were traveling as fast as some creationists demand, then the energy output of the Sun could be expected to increase over 800,000,000 times.[8][9] If you notice a streetlight or outdoor area light is out, please use this form to let us know about the problem. Thank you for helping to keep our community safe. In June 2009, the American Medical Association developed a policy in support of control of light pollution. News about the decision emphasized glare as a public health hazard leading to unsafe driving conditions. Especially in the elderly, glare produces loss of contrast, obscuring night vision.[25] CarMD isn’t alone in the code-reader market. An Internet search will bring up countless devices, some costing as little as $40. Most come with a booklet listing the codes, but it is also easy to do a Google search to locate the codes. Aamco will check the Check Engine light for free and provides a fact sheet. The starlight problem states that if the universe was only 6,000 years old — as Biblical literalism and Young Earth Creationism (YEC) state — then there would not be sufficient time for distant starlight to reach Earth. We can see light from stars more (way more) than 6,000 light years away, therefore the universe cannot be a mere 6,000 years old. By an accident I turned off the camera when the picture wasn’t fully out and I pulled it out but now it flashes red loading lights and doesn’t even take pictures In addition, many homes have poor ventilation and fuel-based lighting poses serious debilitating health hazards such as respiratory and eye problems. In developing nations, acute respiratory infection, influenza and pneumonia kill nearly two million children annually. Street light switched off for energy saving The temperature of the CMB is essentially the same everywhere5—in all directions (to a precision of 1 part in 100,000).6 However (according to big bang theorists), in the early universe, the temperature of the CMB7 would have been very different at different places in space due to the random nature of the initial conditions. These different regions could come to the same temperature if they were in close contact. More distant regions would come to equilibrium by exchanging radiation (i.e. light8). The radiation would carry energy from warmer regions to cooler ones until they had the same temperature. Clarifications to the ambiguities discussed above will likely change alongside differences in geographies, cultures, and belief systems. The recent edited volume Cities of Light (Isenstadt et al., 2014 Isenstadt, S., Maile Petty, M., & Neumann, D. (Eds.). (2014). Cities of light: Two centuries of urban illumination. New York, NY: Taylor & Francis. [Google Scholar]) provides a first overview of historic developments in nighttime illumination with respect to individual cities, a format that could be expanded to contemporary environmental debates. But regardless, if light pollution will be the frame through which regulations are established, anticipating value-level conflicts and ambiguities is important. We must clarify—or at the least debate—the normative foundations of light pollution before the framework becomes normalized and fades into the background of presuppositions informing nighttime lighting strategies. If you are reporting a hazardous condition (other than a malfunctioning light) DO NOT use this form. Please call 1-800-4OUTAGE (1-800-468-8243) to report the condition. We design, install and maintain street lights on most public highways. See our street lighting policy [pdf, 80.71Kb] . Everyone has slightly different circadian rhythms, but the average length is 24 and one-quarter hours. The circadian rhythm of people who stay up late is slightly longer, while the rhythms of earlier birds fall short of 24 hours. Dr. Charles Czeisler of Harvard Medical School showed, in 1981, that daylight keeps a person’s internal clock aligned with the environment. But no one in Congress is seriously proposing something that sweeping. The Manchin-Toomey bill, the only gun legislation in Congress after Sandy Hook that came close to becoming law, didn’t even establish universal background checks. Recent proposals have been even milder, taking small steps like banning bump stocks or slightly improving the existing system for background checks. In addition to skyglow, light trespass can impact observations when artificial light directly enters the tube of the telescope and is reflected from non-optical surfaces until it eventually reaches the eyepiece. This direct form of light pollution causes a glow across the field of view which reduces contrast. Light trespass also makes it hard for a visual observer to become sufficiently dark adapted. The usual measures to reduce this glare, if reducing the light directly is not an option, include flocking the telescope tube and accessories to reduce reflection, and putting a light shield (also usable as a dew shield) on the telescope to reduce light entering from angles other than those near the target. Under these conditions, some astronomers prefer to observe under a black cloth to ensure maximum dark adaptation. In one Italian regional lighting code this effect of stray light is defined as “optical pollution”[citation needed], due to the fact that there is a direct path from the light source to the “optic” – the observer’s eye or telescope. An alternative calculation starts with the fact that commercial building lighting consumes in excess of 81.68 terawatts (1999 data) of electricity,[19] according to the U.S. DOE. Thus commercial lighting alone consumes about four to five million barrels per day (equivalent) of petroleum, in line with the alternate rationale above to estimate U.S. lighting energy consumption. Even among developed countries there are large differences in patterns of light use. American cities emit 3–5 times more light to space per capita compared to German cities.[20] The Swiss Agency for Energy Efficiency (SAFE) uses a concept that promises to be of great use in the diagnosis and design of road lighting, “consommation électrique spécifique (CES)”, which can be translated into English as “specific electric power consumption (SEC)”.[99] Thus, based on observed lighting levels in a wide range of Swiss towns, SAFE has defined target values for electric power consumption per metre for roads of various categories. Thus, SAFE currently recommends an SEC of 2 to 3 watts per meter for roads of less than 10 metre width (4 to 6 watts per metre for wider roads). Such a measure provides an easily applicable environmental protection constraint on conventional “norms”, which usually are based on the recommendations of lighting manufacturing interests, who may not take into account environmental criteria. In view of ongoing progress in lighting technology, target SEC values will need to be periodically revised downwards. Wildlife:John Metcalfe at Citylab.com reported last year that lights are disorienting birds, with deadly results. “Many species migrate by night and are perilously dazzled by artificial illumination, for reasons we don’t yet completely understand,” Metcalfe wrote. “Lights on skyscrapers, airports, and stadiums draw birds into urban areas, where they smack into walls and windows or each other, or flap around and eventually perish from exhaustion-related complications.” In addition to turning on the light—known as the International Check Engine Symbol—the computer stores a “trouble code” in its memory that identifies the source of the problem, such as a malfunctioning sensor or a misfiring engine. The code can be read with an electronic scan tool or a diagnostic computer—standard equipment in auto repair shops. There are also a number of relatively inexpensive code readers that are designed for do-it-yourselfers. 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