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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.  Use the street light outage application to report street light outages. The application allows you to select a street light on a map to report lights out, lights flickering, and lights that are burning during the day. Jill is helping her younger brother Nathan set up an exhibit for a Science Fair. Nathan’s exhibit pertains to the wave-particle nature of light waves. He wishes to demonstrate the wave nature of light by displaying the two point interference pattern of red laser light (λ = 648 nm). Nathan has purchased a double slit slide from a science warehouse which has slits separated a distance of 0.125 mm. Nathan has asked Jill to determine the slide-to-screen distance which will result in a 2.0 cm separation between adjacent bright spots. What distance will result in this antinodal spacing? A circuit breaker often trips when the microwave or a hair dryer is used. If the tripping is not immediate, these high-wattage items (when running along with a few lights for awhile) are probably too much for the circuit. If these “overloads” can’t be avoided by limiting the use of other things on the circuit, a new separate circuit for the heavy item is the only solution. See Microwave ovens. Many hair dryers, however, have a lower-watt setting on them; using that might help. 8. Gallaway et al. (2010 Gallaway, T., Olsen, R., & Mitchell, D. (2010). The economics of global light pollution. Ecological Economics, 69, 658–665.10.1016/j.ecolecon.2009.10.003[Crossref], [Web of Science ®] [Google Scholar]) utilize the threshold criteria established by Cinzano et al. (2001 Cinzano, P., Falchi, F., & Elvidge, C. D. (2001). The first world Atlas of the artificial night sky brightness. Monthly Notices of the Royal Astronomical Society, 328, 689–707.10.1046/j.1365-8711.2001.04882.x[Crossref], [Web of Science ®] [Google Scholar]) for considering an area ‘polluted’ by light. These criteria ‘consider the night sky polluted when the artificial brightness of the sky is greater than 10% of the natural sky brightness above 45° of elevation’ (Gallaway et al., 2010 Gallaway, T., Olsen, R., & Mitchell, D. (2010). The economics of global light pollution. Ecological Economics, 69, 658–665.10.1016/j.ecolecon.2009.10.003[Crossref], [Web of Science ®] [Google Scholar], p. 660). Light trespass occurs when unwanted light enters one’s property, for instance, by shining over a neighbor’s fence. A common light trespass problem occurs when a strong light enters the window of one’s home from the outside, causing problems such as sleep deprivation. A number of cities in the U.S. have developed standards for outdoor lighting to protect the rights of their citizens against light trespass. To assist them, the International Dark-Sky Association has developed a set of model lighting ordinances.[12] Recent creationists believe that the universe is only thousands of years old. The universe appears to be far larger than just a few thousand light years in size, suggesting the light travel time problem. However, by concentrating on the current age of the universe, we incorrectly formulate the light travel time problem. I recommend that we properly state the problem by noting that Adam had to see much of the universe at the conclusion of the Creation Week. Type of problem choose one Lights not operating Lights going on and off Lights on during the day Broken glass Open, broken, or missing light fixture Damaged poles Exposed wires Graffiti on street light poles Other The lights that we own have a code (such as ‘ABCD123’) on the side of the column which is used to identify the light. The code is similar to a house postcode and tells us where the light is located when faults are reported. The first step, though, is to diagnose the problem. How you do this will depend somewhat on the type of light fixture and the symptoms you observe.  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. We use more than 8,300 street lights of various types and wattages. What they have in common is that nearly every one has a photo control switch. This tells it to turn on at night and go off during the day. Please use this form to report a lighting issue. Street lights on red routes, however, are maintained by Transport for London (TfL) – report a problem to TfL. To report a street light outage, a light going on and off (cycling), a light on during the day, vandalism, or any other problem with a street light, call the Street Light Outage Hotline or use the online form. I identify a little-noticed issue in the normal formulation of the light travel time problem. In addition, I lay groundwork for the beginning of a new solution to the problem. This solution invokes similarity between creative acts of Day Four and other days of the Creation Week, but especially Day Three. The Day Three account suggests unusually fast growth for plants. In similar fashion, this possible new solution suggests unusually fast propagation of light on Day Four, probably by rapid expansion of space. This is an appeal to a miraculous event rather than a physical process to get distant starlight to the earth. It is not yet clear whether this suggestion could have testable predictions. If this is the correct way to look at the problem, it may be that we are seeing much of the universe in something close to real time. I briefly compare this possible solution to the light travel time to other previously published proposals. A set of outlets or lights simply went dead. If you have reset any breakers or GFCIs (do you know How to?), you are probably left with a poor connection somewhere along a circuit. So find the Location of this “open.” Our Alternative is GravityLight – an innovative device that generates light with the lift of a weight In the night, the polarization of the moonlit sky is very strongly reduced in the presence of urban light pollution, because scattered urban light is not strongly polarized.[84] Polarized moonlight can’t be seen by humans, but is believed to be used by many animals for navigation. Experts say that many drivers confuse the “service required” light on the gauge cluster for the Check Engine light. These warning lights are unrelated. The service required light just means the car is due for an oil change or other routine maintenance. It is not the indicator of trouble that the Check Engine light is. 1. FPL does not own or maintain streetlights on aluminum poles located on major highways, like I-95 or the Florida Turnpike. Disputes are still common when deciding appropriate action; and differences in opinion over what light is considered reasonable, and who should be responsible, mean that negotiation must sometimes take place between parties. Where objective measurement is desired, light levels can be quantified by field measurement or mathematical modeling, with results typically displayed as an isophote map or light contour map. Authorities have also taken a variety of measures for dealing with light pollution, depending on the interests, beliefs and understandings of the society involved.[citation needed] Measures range from doing nothing at all, to implementing strict laws and regulations about how lights may be installed and used. To report a faulty light you will need to tell us: 4. Neumann’s’ Architecture of the Night (2002a Neumann, D. (Ed.). (2002a). Architecture of the night: The illuminated building. New York, NY: Prestel. [Google Scholar]) is arguably the most important recent study of nighttime illumination in architectural history and theory, linking the history of nighttime lighting with the history of modern architecture. Neumann mainly focuses on the esthetic and expressive qualities of ‘illuminated buildings’ throughout the nineteenth and twentieth centuries, providing the first comprehensive catalogue of relevant architectural projects. 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