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Determine the frequency of … (GIVEN: 1 m = 109 nm) a. … red visible light (λ = 650 nm) b. … violet visible light (λ = 420 nm) As Jalopnik recently pointed out, the check engine light is one of the most frustrating and confusing facets of owning a vehicle. It’s just a light with no information telling you what the problem is. It’s a cry from a baby with no explanation. But you can do a few things yourself before heading into the shop for costly repairs. The 350 year project of illuminating our nights has produced a challenging situation. The desire for more and better lighting at night has left us with an overabundance of artificial illumination, and has produced a novel problem. The realization of lengthening the day is increasingly perceived as a loss of the night, and a new frame has emerged to give shape to these concerns. The story of light pollution goes back much further than the 1970s, in juxtaposition but nevertheless linked to the technical and social history of modern nighttime illumination. Importantly, the concept of light pollution re-frames certain aspects and uses of nighttime lighting technologies. If we return once more to the driving question (how much artificial light at night is appropriate?), we can appreciate that the concept of light pollution provides a new starting point, and not an end point, for discussions about the future of nighttime lighting.1010. I would like to thank the anonymous reviewer for this insight.View all notes This is America’s elected leader — and he essentially, based on his first public response, ignored what the real problem is. And although the White House has come around to bipartisan proposals to very slightly improve background checks and ban bump stocks, the compromises amount to fairly small changes to America’s weak gun laws. Light pollution is artificial light introduced into the natural night, especially where it is not needed or wanted. This unwanted light appears We may need to check the street light location with you, so make sure your contact information is correct. Unfortunately, white LED lighting also tends to transmit high levels of blue light, which can pose potential health hazards. Over-illumination is the excessive use of light. Specifically within the United States, over-illumination is responsible for approximately two million barrels of oil per day in energy wasted.[citation needed] This is based upon U.S. consumption of equivalent of 18.8 million barrels per day (2,990,000 m3/d) of petroleum.[16] It is further noted in the same U.S. Department of Energy source that over 30% of all primary energy is consumed by commercial, industrial and residential sectors. Energy audits of existing buildings demonstrate that the lighting component of residential, commercial and industrial uses consumes about 20–40% of those land uses, variable with region and land use. (Residential use lighting consumes only 10–30% of the energy bill while commercial buildings’ major use is lighting.[17]) Thus lighting energy accounts for about four or five million barrels of oil (equivalent) per day. Again energy audit data demonstrates that about 30–60% of energy consumed in lighting is unneeded or gratuitous.[18] With minimal alternatives for lighting, parents and children from rural areas in developing countries are often caught in the cycle of poverty. In particular, fuel-based lighting (kerosene) is expensive, dangerous and unhealthy while providing poor illumination and contributing to carbon emissions. Similar disorientation has also been noted for bird species migrating close to offshore production and drilling facilities. Studies carried out by Nederlandse Aardolie Maatschappij b.v. (NAM) and Shell have led to development and trial of new lighting technologies in the North Sea. In early 2007, the lights were installed on the Shell production platform L15. The experiment proved a great success since the number of birds circling the platform declined by 50 to 90%.[66] To report emergency problems with a street light, contact us Monday to Friday 8am to 5pm on 0845 601 0939, or outside these hours phone 0845 795 9639 The problem light has gone off in Dr. Venture Sr.’s space station for the first time. SUBSCRIBE: http://bit.ly/AdultSwimSubscribe About The Venture Bros.: The Venture Bros. is Adult Swim’s fan-favorite parody of the great action/adventure cartoons of yesteryear. Tune in to watch Dr. “Rusty” Venture and his twin boys, Hank and Dean, as they clash against arch-enemies, killer mutants, invading aliens and more. Joining them is a massive pantheon of incredible characters like Brock Samson, Dr. Orpheus, The Monarch, Sgt. Hatred, Henchman 21, and so many more that it would be unwise to attempt a full list. Kick danger right in the sweet meats by watching The Venture Bros. at AdultSwim.com. Watch The Venture Bros.: http://bit.ly/TheVentureBros About Adult Swim: Adult Swim is your late-night home for animation and live-action comedy. Enjoy some of your favorite shows, including Robot Chicken, Venture Bros., Tim and Eric, Aqua Teen, Childrens Hospital, Delocated, Metalocalypse, Squidbillies, and more. Watch some playlists. Fast forward, rewind, pause. It’s all here. And remember to visit AdultSwim.com for all your full episode needs. We know you wouldn’t forget, but it never hurts to make sure. Connect with Adult Swim Online: Visit Adult Swim WEBSITE: http://bit.ly/ASWebsite Like Adult Swim on FACEBOOK: http://bit.ly/ASFacebook Follow Adult Swim on TWITTER: http://bit.ly/ASTweet The Problem Light | The Venture Bros. | Adult Swim http://www.youtube.com/user/adultswim Report a problem with a street light 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. Contact Highways England if the street light is on a motorway or an ‘A road’ they manage in England. Light fixtures that are poorly designed waste light by letting it shine upward or to the side, dramatically and unnecessarily increasing sky glow, light trespass, and glare. These fixtures are everywhere, at homes and businesses, and even in Flagstaff, which is more careful than most communities. For more information on how to get involved, you can contact the IDA directly. (And to learn more about light pollution, you can also watch “Losing the Dark,” a short planetarium show and video on light pollution produced by the IDA.) Creating a coherent and effective frame for the challenges of nighttime lighting carries its own idiosyncratic considerations. Beyond functionality, the symbolic meanings of lighting technologies have played an active role in determining their uses and acceptance (Nye, 2006 Nye, D. E. (2006). Technology matters: Questions to live with. Cambridge: The MIT Press. [Google Scholar]). Throughout history, perceptions of nighttime lighting have consistently blurred the literal and the symbolic; intertwined actual lighting with metaphorical notions of the values that lighting embodies (Schivelbusch, 1988 Schivelbusch, W. (1988). Disenchanted night: The industrialization of light in the nineteenth century. (A. Davis, Trans.) London: University of California Press. [Google Scholar]). This is not entirely surprising, as metaphors are pervasive in our everyday language (Lakoff & Johnson, 1980 Lakoff, G., & Johnson, M. (1980). Metaphors We live by. Chicago, IL: The University of Chicago Press.[Crossref] [Google Scholar]) and politics (Stone, 2002 Stone, D. (2002). Policy paradox: The art of political decision making. New York, NY: W. W. Norton & Company Inc. [Google Scholar]). A metaphorical concept allows us to see one thing in terms of another—in this case, to see some outputs of artificial lighting as a ‘pollutant’ of the night sky, our bodies, and ecosystems. Like sound pollution, it is a powerful framing that will shape how we think, speak, and act with regards to nighttime lighting technologies. Conceptual metaphors are useful but also can be troublesome, because Of course, it must be remembered that the aforementioned biblical references to the stretching of the heavens appear in poetic passages that are unlike the record of Day Four in Genesis 1:14–19, which bears all the markings of prose (Boyd 2005). Consequently, “stretching” in these instances may be a metaphorical device that refers to nothing more than the creation of the heavens in their expanse. In other words, the language employed is likely not specific enough to enlist as certain evidence for the defense of my view. Nevertheless, the language surely does not preclude the position I have advanced; indeed, if the text does intend to convey the idea of light travelling at an abnormally accelerated rate in order to reach the earth on Day Four (or, at the very latest, Day Six), then reference to God stretching out the heavens is quite appropriate. 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