Sunday, May 24, 2020
Are Skyquakes Real Science of the Mystery Boom
A skyquake or mystery boom is like an earthquake in the sky. If youve ever heard a sonic boom or cannon fire then youll have a good idea what a skyquake sounds like. Its a stupendously loud, window-rattling noise. While a sonic boom is caused by an object breaking the sound barrier, a skyquake is when a boom occurs with no apparent cause. Are Skyquakes Real? You can search YouTube for videos of skyquakes to hear what they sound like, but be warned: many of these videos are hoaxes (e.g., skyquake2012s channel). However, the phenomenon is real and has been reported for centuries. Locations reporting skyquakes include the Ganges river in India, the East Coast and Finger Lakes of the United States, the North Sea of Japan, the Bay of Fundy in Canada, and parts of Australia, Belgium, Scotland, Italy and Ireland. Skyquakes have their own names in various parts of the world: In Bangladesh, they are calledà Barisal guns (referring to the Barisal region of East Bengal).Italians have several names for skyquakes, including balza, brontidi, lagoni, and marine.The Japanese name the sounds umimari (cries from the sea).In Belgium and the Netherlands, skyquakes are called mistpoeffers.In Iran and the Philippines, they are retumbos.In the United States, some recurring skyquakes are the Seneca guns (near Seneca Lake, New York) and Moodus noises in Connecticut. Possible Causes While sonic booms from aircraft might explain some skyquakes, the explanation doesnt account for reports predating the invention of supersonic flight. The Iroquois of North America believed the booms were the sound of the Great Spirit continuing creation of the world. Some people believe the sounds are produced by UFOs. Most scientists propose other possible explanations: Some modern skyquakes may be sonic booms from meteors or military aircraft.Earthquakes and volcanic eruptions may produce sounds that are heard far from their point of origin. There are well-documented accounts of booming sounds associated with earthquakes, particularly those with a shallow origin. For example, the quakes in Spokane, Washington in 2001 and New Madrid, Missouri in 1811-1812 were accompanied by reports resembling artillery fire.The sound may be distant thunder, with the sound focused by atmosphere. Some skyquakes may also result from clear-sky lightning (the bolt from the blue).à which occurs near mountain ranges or large open areas, such as plains, sounds, or lakes.Some skyquakes may be produced by coronal mass ejections (CMEs). A CME is a solar radiation storm that can accelerate protons to 40 percent of the speed of light, potentially generating shock waves that break the speed of sound and produce sonic booms.A related explanation is that the Earths magnetic fiel d produces the sounds, either by accelerating particles or from resonance. While skyquakes occur all over the world, most of them have been reported near a coast. Some explanations focus on the possible relationship between proximity to water and skyquakes. One disputed hypothesis is that the sounds may be produced when parts of the continental shelf fall into the Atlantic abyss. Problems with this hypothesis are the extreme distance from the ridge to the site of reported sounds and the lack of modern evidence. Another water-related explanation is that the sounds are produced when underwater caves collapse, releasing trapped air, or that trapped gas escapes from vents or from beneath decaying aquatic vegetation. Experts disagree about whether the sudden release of gas could produce a loud report. Scientists believe there are several occurrences which are not likely causes of skyquakes. There is no evidence booming sounds are associated with global warming, industrial disasters, tectonic plate shifts, the hole in the ozone layer, or ghosts revisiting past battles. Other Strange Sky Sounds The booming sound of a skyquake isnt the only incompletely explained atmospheric noise. Strange hums, trumpeting, vibrations, and wailing have also been reported and recorded. Sometimes these phenomena are called skyquakes, although the origin of the boom is likely quite different from that of the other eerie noises. Fast Facts A skyquake is a loud boom that has no apparent cause.While some videos of skyquakes are hoaxes, the phenomenon is real and has been reported all over the world.Scientists believe skyquakes have a variety of causes, including meteors, coronal mass ejections, escaping gas, and collapsing landmasses. References and Further Reading Dimitar Ouzounov; Sergey Pulinets; Alexey Romanov; Alexander Romanov; Konstantin Tsybulya; Dimitri Davidenko; Menas Kafatos; Patrick Taylor (2011). Atmosphere-Ionosphere Response to the M9 Tohoku Earthquake Revealed by Joined Satellite and Ground Observations. Preliminary results.K., Krehl, Peter O. (2008).à History of shock waves, explosions and impact a chronological and biographical reference. Springer. p. 350.T.D. LaTouche, On the Sounds Known as Barisal Guns, Report (1890-8) of the annual meeting By British Association for the Advancement of Science, Issue 60, pp. 800.
Tuesday, May 12, 2020
Gender Roles Today s Media - 867 Words
When I was young I was always told to be ladylike; sit up straight, be polite with ââ¬Ëpleaseââ¬â¢ and ââ¬Ëthank youââ¬â¢, and the biggest one for me was donââ¬â¢t burp in public. It is these standards that shape our societies view on how a woman should act and vice versa for men. Society aides the conformity of gender roles through role models, toys, and even media. To exhibit some gender roles in todayââ¬â¢s media there are two gender specific commercials to demonstrate masculinity and femininity. In 2011, Miller Lite, aired a commercial belittling a man about his masculinity in order to advocate Miller Lite that it is the manliness beer. In a majority of cleaning commercials, women are shown to be the one cleaning this includes a Glade commercial in 2012. The commercial presented the idea that women are responsible to clean the house. In these two commercials selected reveals the symbolism on how our society still perceives gender roles today to target specific g ender roles to sell their products. Men are seen to be the protector and provider, they are supposed to be the macho man. Some qualities that our society deems men to be like are the following; they make the money, need to be competitive, physically strong, able to fix anything, and to engage in sex. The society views these qualities as a masculine thing and media takes advantage of the insecurity of men if they canââ¬â¢t perform to society perspective. Between the years of 2010-2012 Miller Lite aired a series of commercials campaigning toShow MoreRelated Judith Lorbers The Social Construction of Gender Essay853 Words à |à 4 Pagesabout our contemporary conceptions of gender in her essay, ?The Social Construction of Gender.? 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Most parents attempt to become the agents for their childrenââ¬â¢s gender socialization, but rather are converted to actors involved in a more complicated process of accomplishing gender with and for their children .Have you ever heard the phrase ââ¬Å"money makes the world go round,â⬠it infers that without money or some kind of currency the world wouldnââ¬â¢t function the way it is today. Quite frankly, I believe it to the outmost extent. People are not going to resort back to trading
Wednesday, May 6, 2020
Lifestyle Choices and Our Health Free Essays
As days go by, almost everyone living today gets involved in activities that make us either healthy or unhealthy. Continuing to engage in some habits day in and day out can take a substantial amount of time off of oneââ¬â¢s life. Some of these habits can have a positive impact on oneââ¬â¢s health system, being it physical or mental, while others can affect oneââ¬â¢s health system negatively. We will write a custom essay sample on Lifestyle Choices and Our Health or any similar topic only for you Order Now In this paper, I will be writing on how our daily habits can affect our mental and physical health negatively. First of all, mechanization and heavy dependence on technology is one of the common ways, probably for all humans, which has a negative effect on the human health system. We rarely give a second thought when we turn on a microwave or turn on the television as we sit down for dinner. These common practices are commonly seen in most families. If I may ask, is it a good practice? I asked one of my instructors at school who made it clear to me that, these families donââ¬â¢t just consume electricity, but also have many adverse effects on their physical and mental health. If you find yourself eating and watching television at the same time, the rate at which you consume is greater which at some point in time becomes very difficult to go to bed at night. And as many of us know, improper sleeping habits cause results in many of our health problems. Secondly, failure to exercise is also another problem many of us face today. Physical activities are absolutely necessary to our overall health. And because our physical and mental health is so interconnected, they affect one another directly. When our physical health deteriorates, our mental health does the same. Our mood and our brainââ¬â¢s mental capabilities are therefore affected by lack of exercise. Regular exercising which helps to maintain and build muscles, and also fight against diseases is very necessary for every human and should be practiced continuously. Thirdly, smoking has also been known to be one of the dangers which affect the human health negatively. Very few people are unaware of the dangers of smoking. Yet surprisingly, many are engaged in this deadly habit. Infertility, low birth weight, sudden infant birth and many more, are some examples of the negative effects that one is likely to contact if he or she has a habit of smoking. Those who quit smoking see changes almost immediately and it also helps them live longer. In conclusion, many of our daily activities can cause our death prematurely. Many of those who donââ¬â¢t die prematurely have a very bad health system which makes them almost uncomfortable every day. I therefore advise everyone to get involved in activities that help to improve oneââ¬â¢s physical and mental abilities positively. How to cite Lifestyle Choices and Our Health, Papers
Sunday, May 3, 2020
With reference to waste management, discuss the extent to which sustainability can be achieved free essay sample
Waste management is all about the need to change our attitude to waste. The four methods of managing waste at the moment are: landfill, composting, recycling and energy recovery (incineration). To be sustainable, waste must be managed in a way that is maintainable for the foreseeable future and will not be hurtful to the environment or the population. Waste is a problem at the moment because the amount of waste we use is increasing and therefore so is toxicity along with the time that the rubbish is toxic for. We are also running out of landfill sites. Therefore, another method of waste management must be found that will solve these problems. The most harmful way of dealing with waste is through sending it to landfill. This proves to take up huge spaces of land and is therefore extremely unsightly to individuals living close by. It is also a threat to groundwater and river quality as polluted substances can leak out of the landfill sites and find their way down into the ground or into nearby rivers and lakes. We will write a custom essay sample on With reference to waste management, discuss the extent to which sustainability can be achieved or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page Another environmental impact is that decaying matter will produce methane gas, which is explosive and a greenhouse gas. This decaying matter will take ages before it finally breaks down, producing a considerable amount of gas. For example, disposable nappies take 500 years before they break down. It is also extremely expensive; it costs ? 40million to dispose of 1 million nappies. The worst problem with landfill is also the amount of space that it takes u. In the UK we only have enough sites until 2015. This is why the government is looking for alternatives. However, EU legislation bound the UK to decrease the amount of waste it sent to landfill to 75% of the 1995 levels by 2010. One place that relies heavily on landfill is Jakarta in Indonesia, home to 28 million people. 3000 men work as bin men, pulling the rubbish in a cart by hand. They live and work at the dump, with no sanitation or clean drinking water. Council lorries often do not take the rubbish is well and so it builds up in piles right next to their homes. This causes the presence of flies and rats and with no health and safety laws they are often without gloves, bare foot and without help if they are injured. Each man only receives 315 a day for 6 days a week, which is barely enough to pay the rent. No one separates the recycling and so the bin men often do this themselves to try and earn some extra money. The landfill sites cause huge problems for the environment. Rivers are heavily polluted as 20% of rubbish ends up in the river. The one landfill site that is to the east of Jakarta was opened in 1986 and is home to 3000 people. Therefore, managing waste with landfill is definitely not sustainable, especially when it is not managed properly. The process of composting is the most environmentally friendly way of dealing with waste but it is one of the most difficult to operate. Composting is when waste is converted into something that is easier to manage, such as fertiliser. It means that waste can be converted into a saleable product and so the process does partly pay for itself. However, it is extremely expensive on a large scale and requires huge amounts of resources and time to manage. There is a lot of benefits involved with composting, mostly on the land. This is why it is considered the most sustainable processes, as well as the fact that the waste is being used and therefore does not sit around taking up space. One place where composting takes place is Slough in the UK. The nutrient-recovery facility takes waste water from the Slough Trading Estate and turns the phosphorous in it into crystalline fertiliser pellets. It is said that about 150 tonnes a year of fertiliser will be produced and sold on to farmers. The worldââ¬â¢s affordable mineable reserves of phosphorous are set to run out in the next 20 to 30 years and so it provides a solution to this problem. However, although the composting process is environmentally sustainable, the huge costs mean that it is not easy to maintain. For example, the reactor in Slough cost ? 2 million to build. Many places are looking to deal with their waste through recycling. This is where materials are converted so that they can be reused. This is the most effective way of dealing with waste as there are no by-products of this process as the material is simply reused. However, there are other problems. Recycling has hidden environmental costs, such as transport leading to pollution and hot water being used for the cleaning process. There are also high set up costs and low market value for products such as plastic. The process also relies on individuals for it to operate and be able to separate their waste for themselves. In Singapore, the government set a target to be recycling 60% of its waste by 2012 and by 2008 they were well on their way to achieving this; recycling 56% of their waste. They achieved this through various mean, mainly by talking to companies and individuals about how they can help. They made voluntary agreements with the food and drinks industry about lowering their packaging. They asked residents to separate their rubbish, with waste being collected weekly and recyclable materials being collected separately. They put initiatives in place for industrial and commercial waste and put charges in place for construction waste. All combustible waste is sent to an incinerator and electricity generator, which reduces the volume of waste by 90%. The remaining waste is sent to the Semakau landfill site, which is 2 small islands and 350 hectares of sea, enclosed by an impermeable membrane to prevent any leakage. Therefore, Shanghai is well on its way to being sustainable in its waste management. Relatively new method of waste management that a lot of people are looking to is incineration, where energy is recovered from the waste by burning it. It means that less rubbish is sent to landfill, although there is a very small amount of material that cannot be burnt. Incineration can produce electricity or power through heating schemes. At the moment, there are 17 licensed municipal waste incinerators in the UK and emissions have fallen since 1990. However, incineration can be seen as having negative impacts. The process does release CO2 and other toxins which can be dangerous to health. The buildings are also often very unsightly and cause added traffic congestion as lorries deliver the waste and they are built on main roads. There is currently a debate being carried out in Hertfordshire over whether an incineration plant should be built in Hatfield, on the New Barnfield site. Veolia Water plan to build this incinerator against the wishes of the residents of Hatfield and the villages of Welham Green and Colney Heath. Herts County Council argue that the incinerator is needed if we want to meet energy targets and reduce the amount of waste going to landfill, which is unsustainable. The incinerator would increase the recycling rate by 3% as it would sort the rubbish before burning it. This means that half of all the rubbish taken to the site would be recycled and the remaining waste would be combusted, with the energy created by the steam being used to power 50,000 homes in Hertfordshire. The left over ash would be given to the construction industry to use as aggregate. Veolia claim that the building which will hold the incinerator will be designed to integrate into the local landscape and would contain odours and noise. On the opposite side however, the residents claim that there will be increased traffic, up to 172 lorries a day. They are also worried about pollution being carried by the wind and the loss of rare newts which live on the site which will be built on. The incinerator will also be huge and unattractive and the site is located next to a school for children with special needs and a central resources library, which would have to be knocked down. Furthermore, although the facility will save Herts CC ? 31 million a year in landfill costs, it will cost them ? 220 million to build and ? 1. 3 billion to run. In conclusion, I believe that sustainability can be achieved as long as people are willing to make the sacrifices necessary to achieve it. A great example of this is composting. Composting would be an extremely sustainable way in which to manage our waste as long as the government is willing to spend the money to maintain it and residents are willing to put in the effort of separating their waste and composting themselves. Similarly with incineration, there will come a point in the future when it will become necessary to burn our waste if we want to carry on living sustainable and not use up all our land with landfill. Therefore, local people are going to have to be willing to make sacrifices in their area. They will have to lose a few things but if we want to maintain our rubbish sustainably then we need to start building places in which we can do this. There are countries which are already leading the way to sustainable waste management. These places include Shanghai and Rio Cuarto in Argentina, where the government is working with the waste disposal workers to achieve a healthier and more efficient waste management scheme. To achieve sustainability in waste management, I believe that all four processes must be used and a healthy balance must be found between them.
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