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To report a streetlight that’s out or malfunctioning, complete the form below (*Required). Unless your car starts smoking or stalls completely head over to an auto parts store and have them run a diagnostic to find the cause of the check engine light. Call ahead and make sure they can handle your make and model, since some cars have special computers. Once you’re at the store, they’ll come out and plug a small computer underneath your dashboard and read back a code stating what happened to the car. Kerosene lamps produce carbon dioxide (CO2). It is estimated that each kerosene lantern with a weekly fuel consumption of one litre of kerosene produces 0.1 tonnes of CO2 each year. In general, fuel-based lighting in the developing world is a source of 244 million tons of CO2 emissions to the atmosphere each year. This amounts to 58% of the CO2 emissions from residential electric lighting. The radical effect of the electric lightbulb cannot be overstated. More than any lighting technology that preceded it—candles, oil lamps, or gas lighting—the electric light revolutionized the night. Now the darkness, at least in cities, was in full retreat. The Bluebird Library has been celebrating the lives of famous scientists. Each month, a new scientist is selected and displays are created to feature the discoveries and contribution of the scientist. April’s scientist of the month is Thomas Young; the library wishes to develop a Young’s experient display. The library has purchased a blue laser which emits light with a wavelength of 473 nm. They also have purchased a slide with a double slit; the slit spacing is 44 µm. The library’s current plans are to project the interference pattern onto a white board which is 3 feet wide and located 28 feet from the slits. What is the maximum number of bright spots which will appear on the board at these distances and what is the spacing distance between each bright spot? Assume that each bright spot is bright enough to see. (GIVEN: 1 m = 3.28 ft, 1 m = 106 mm, 1 m = 109 nm) Plenty of other possibilities for a check engine light are out there, but the above five are the most common. How long do you usually let the check engine light stay on before you do something about it? Outdoor Area Light – An outdoor light, typically on private property, that is maintained by the electric company and leased to the customer. The third solution is not much discussed anymore. It relied upon some speculative hypothesis about the nature of light that has never been demonstrated. Very few creationists embraced this solution anyway, and those who once did mention this solution normally offered it as a hypothetical possibility not necessarily with endorsement. For a critical discussion of this theory, please see Akridge (1984). Put exterior lights on motion detectors to reduce the unnecessary use of outdoor lighting, and direct illumination of lights towards the ground, not upwards (which is not efficient, and contributes to sky glow). You can report a non-urgent fault with a street light by using the ‘Report now’ button below or phoning the Fault Line on 0845 601 0939, Monday to Friday from 8am to 5pm.  When reporting a lighting fault to us it would be helpful if you could supply: Prospective observers can report their results online by comparing the number of stars seen in the night sky with a set of template images that depict the stars’ visibility in varying levels of light pollution. Participation is open to anyone, anywhere in the world, who can get outside and look skyward. In a museum exhibit, monochromatic red light (λ = 648 nm) passes through a double slit and is projected onto a screen located 16.8 m from the slits. A metric ruler located above the interference pattern clearly shows the fifth dark fringe to be located 42.0 cm from the central bright spot. Determine the slit separation distance. It happens because the nature of a TV or radio debate is increasingly binary and confrontational, and because getting people to argue with each other makes for better “box office” than exposing them to equal levels of proper scrutiny. The presenter thus becomes a referee rather than a tribune for the viewers and listeners: if they point out a flaw in one person’s argument, they must then point out a flaw in the other’s or be accused of bias; if they employ knowledge to challenge false assertions, they are pursuing their own “agenda”. It has led us into an age of boundless heat but very little light and seen a veneration of dangerous, divisive stupidity move squarely into the media and political mainstream. Please fill out the form below if you know of a street light that needs to be repaired. Human health:According to an article published in the journal Environmental Health Perspectives, several studies over the past two decades have suggested that the modern practice of keeping our bodies exposed to artificial light at night increases cancer risk, especially for cancers that require hormones to grow, such as breast and prostate cancers. Regarding energy consumption, the past five or six years have seen a slow transformation from garish, peach-colored, high-pressure sodium vapor streetlights — which have long been recognized to be energy-inefficient — to light-emitting diode (LED) streetlights, which use solid-state technology to convert electricity into light.  Please log in or use quick access to continue. If you have more than one account with us, use the account information associated with the area light that is experiencing problems. A study presented at the American Geophysical Union meeting in San Francisco found that light pollution destroys nitrate radicals thus preventing the normal night time reduction of atmospheric smog produced by fumes emitted from cars and factories.[82][83] The study was presented by Harald Stark from the National Oceanic and Atmospheric Administration. Call it the most misunderstood indicator on your dashboard: The check engine light can mean many different things, from a loose gas cap to a seriously misfiring engine. In a large house there is a basement with three rooms. In the middle of each room is a light. There are no windows in any of the rooms and no light switches. Since not everyone is irritated by the same lighting sources, it is common for one person’s light “pollution” to be light that is desirable for another. One example of this is found in advertising, when an advertiser wishes for particular lights to be bright and visible, even though others find them annoying. Other types of light pollution are more certain. For instance, light that accidentally crosses a property boundary and annoys a neighbor is generally wasted and pollutive light. Check Engine lights come in orange, yellow or amber, depending on the manufacturer. If the light begins flashing, however, it indicates a more serious problem, such as a misfire that can quickly overheat the catalytic converter. These emissions devices operate at high temperatures to cut emissions, but can pose a fire hazard if faulty. Human health:According to an article published in the journal Environmental Health Perspectives, several studies over the past two decades have suggested that the modern practice of keeping our bodies exposed to artificial light at night increases cancer risk, especially for cancers that require hormones to grow, such as breast and prostate cancers. To report a faulty light you will need to tell us: The red light of camera wont turn off. What should i do? I changed the batteries. But the red light still on Some astronomers do not accept inflationary models and have proposed other possible solutions to the horizon problem. These include: scenarios in which the gravitational constant varies with time,5 the ‘ekpyrotic model’ which involves a cyclic universe,6 scenarios in which light takes ‘shortcuts’ through extra (hypothetical) dimensions,7 ‘null-singularity’ models,8 and models in which the speed of light was much greater in the past.9,10 (Creationists have also pointed out that a changing speed of light may solve light-travel–time difficulties for biblical creation.11) VigRX erogan power up premium Eron Plus Erozon Max sterydy Steroïden Testogen TestX Core Testogen