Monday, December 30, 2019

History of Scuba Diving and Pioneer Jacques Cousteau

Modern scuba diving gear consists of one or more gas tanks strapped to the divers back, connected to an air hose and an invention called the demand regulator. The demand regulator controls the flow of air so that the air pressure within the divers lungs equals the pressure of the water. Early Diving Gear Ancient swimmers used cut hollow reeds to breathe air, the first rudimentary snorkel used to enhance our abilities underwater. Around 1300, Persian divers were making rudimentary eye goggles from the thinly sliced and polished shells of tortoises. By the 16th century, wooden barrels were used as primitive diving bells, and for the first time divers could travel underwater with more than one breath of air, but not much more than one. More Than One Breath In 1771, British engineer, John Smeaton invented the air pump. A hose was connected between the air pump and the diving barrel, allowing air to be pumped to the diver. In 1772, Frenchmen, Sieur Freminet invented a rebreathing device that recycled the exhaled air from inside of the barrel, this was the first self-contained air device. Freminets invention was a poor one, the inventor died from lack of oxygen after being in his own device for twenty minutes. In 1825, English inventor, William James designed another self-contained breather, a cylindrical iron belt attached to a copper helmet. The belt held about 450 psi of air, enough for a seven-minute dive. In 1876, Englishmen, Henry Fleuss invented a closed circuit, oxygen rebreather. His invention was originally intended to be used in the repair of an iron door of a flooded ships chamber. Fleuss then decided to use his invention for a thirty-foot deep dive underwater. He died from the pure oxygen, which is toxic to humans under pressure. Rigid Diving Suits In 1873, Benoà ®t Rouquayrol and Auguste Denayrouze built a new piece of equipment a rigid diving suit with a safer air supply, however it weighed about 200 pounds. Houdini Suit - 1921 Famous magician and escape artist, Harry Houdini (born Ehrich Weiss in Budapest, Hungary in 1874) was also an inventor. Harry Houdini astonished audiences by escaping from handcuffs, straitjackets, and locked boxes, often doing so underwater. Houdinis invention for a divers suit permitted divers, in case of danger, to quickly divest themselves of the suit while submerged and to safely escape and reach the surface of the water. Jacques Cousteau Emile Gagnan Emile Gagnan and Jacques Cousteau co-invented the modern demand regulator and an improved autonomous diving suit. In 1942, the team redesigned a car regulator and invented a demand regulator that would automatically fresh air when a diver breathed. A year later in 1943, Cousteau and Gagnan began selling the Aqua-Lung.

Sunday, December 22, 2019

Northern Napa Valley Winery Essay - 1827 Words

NORTHERN NAPA VALLEY WINERY Period Month-Year Sales MA CMA Snl Factor Ad trend est Snl Inx Forecast 1 Jan-88 6,632 7414.480161 0.895433355 6639.172848 2 Feb-88 6,534 7495.930161 0.855674227 6414.07425 3 Mar-88 6,675 7577.380161 0.915057445 6933.738129 4 Apr-88 6,692 7658.830161 0.924270145 7078.828067 5 May-88 6,984 7740.280161 0.942241926 7293.21649 6 Jun-88 7,133 7821.730161 0.938433481 7340.173459 7 Jul-88 6,385 7,727 0.826274271 7903.180161 0.887321174 7012.659097 8 Aug-88 7,364 7,760 0.948999646 7984.630161 0.732715692 5850.463814 9 Sep-88 7,171 7,816 0.917432953 8066.080161 0.960270745 7745.620807 10 Oct-88 8,690 7,906 1.09918257 8147.530161 1.09169761 8894.639202 11 Nov-88 10,299†¦show more content†¦2 9532.180161 0.915057445 8722.492422 28 Apr-90 8,820 9,101 9,505 0.927912329 9613.630161 0.924270145 8885.591347 29 May-90 9,313 9,168 9,608 0.969321641 9695.080161 0.942241926 9135.111008 30 Jun-90 9,419 9,288 9,717 0.969303004 9776.530161 0.938433481 9174.623227 31 Jul-90 8,700 9,362 9,910 0.877871582 9857.980161 0.887321174 8747.194527 32 Aug-90 6,960 9,399 10,067 0.691347805 9939.430161 0.732715692 7282.776449 33 Sep-90 9,091 9,446 10,110 0.899253178 10020.88016 0.960270745 9622.75806 34 Oct-90 10,933 9,565 10,192 1.072708467 10102.33016 1.09169761 11028.68969 35 Nov-90 13,117 9,651 10,315 1.271663785 10183.78016 1.337830958 13624.17637 36 Dec-90 15,337 9,784 10,418 1.472122349 10265.23016 1.5378799 15786.69114 37 Jan-91 11,267 10,037 10,514 1.071644275 10346.68016 0.895433355 9264.762532 38 Feb-91 8,889 10,098 10,588 0.839548538 10428.13016 0.855674227 8923.08222 39 Mar-91 9,612 10,122 10,698 0.898510195 10509.58016 0.915057445 9616.869569 40 Apr-91 10,511 10,262 10,814 0.971969531 10591.03016 0.924270145 9788.972988 41 May-91 10,571 10,367 10,926 0.967545593 10672.48016 0.942241926 10056.05827 42 Jun-91 10,644 10,469 11,089 0.959844895 10753.93016 0.938433481 10091.84811 43 Jul-91 9,766 10,558 11,127 0.877671764 10835.38016 0.887321174 9614.462243 44 Aug-91 7,672 10,618 11,157 0.687670865 10916.83016 0.732715692 7998.932766 45 Sep-91 11,016 10,778 11,282 0.976397378 10998.28016 0.960270745 10561.32669 46 Oct-91 11,802 10,850Show MoreRelatedWhat Sets Napa Valley Apart1281 Words   |  6 PagesCalifornia’s wine regions parallel in their respective histories. 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Saturday, December 14, 2019

The Trade Relations Among Europe and Africa, Asia and America Free Essays

Before 1500, Europeans had already established a trading network with Africa, Asia and America. The products that they traded during that time period included food clothing, weapons and other goods. Today their trading networks are very sophisticated and connect to every corner well to every other aspect of the planet. We will write a custom essay sample on The Trade Relations Among Europe and Africa, Asia and America or any similar topic only for you Order Now Trading became an essential part for our society to function and prosperous into what it has become today. Some might think that today’s trading landscape came from the Europeans around 1500, but they were just eager to establish trades with countries who were just as eager to purchase European goods. However, this statement is incorrect. The reality was that not every country was willing to purchase their products, but many of the Europeans were eager to buy products from other countries. In this paper, I will show how the above statement and its flaws. European countries have a rich civilization. For example, they have a wide variety of food, a huge collection of art work and a number of different customs inlcuding multiple languages. Their possession of these qualities made them become the modern civilization popular at that time. Therefore, if a country that was less civilized started using their products, that country might be modernized at a faster pace. Therefore, the Europeans were helping other countries when they traded with them. However, their good deeds were not accepted by other countries. Not every country was interested in European goods. For example, China resisted importing foreign goods to their country at that time. This was because the government did not want foreign culture to affect their already rich civilization, as China’s history could be traced back to 3000 years ago. Also, African countries, although they were not civilized at all, were not receptive at buying European goods. Tribes from Africa were scattered everywhere. Most of these tribes were self-sufficient as in their advanced ability to produce their own goods as oppose to trading products between tribes. As a result, the economy in Africa was very weak and none of these tribes could afford the European products in order to better their society. Another big misconception about European trade is that we always think other countries had to yield to the terms set forth by the Europeans. Although, Europeans had a powerful civilization and their weapons were more technology advance than many other nations, the term â€Å"trade† was not always in favor of the Europeans. For example, even though Portugal had a better naval and military technology, they had a very limited success when trading with China and Japan. Between 1521 and 1522, Portuguese had attempted to enforce trading with China. However, their aggressive movement ended with a decisive defeat of the Portuguese because they were unable to control all the maritime traffic in the region. As a result, Portugal was expelled from China in 1523. Another example was the Mughal Empire. Mughal Empire was founded in the early 16th century and located in the Middle East region. According to the class note, although this empire was relatively new, they already had a better gunpowder technology than the Europeans. Of course, we cannot conclude that the Mughal Empire had a stronger military than the Europeans based on this fact. However, the gunpowder technology would definitely give the Mughal people a superior defense upon an attack by the Europeans in case of a trading issue arose. As a result, we cannot conclude that a powerful civilization was a factor for the European to continue their trading network at around 1500. An underlying reason of the trade was that the Europeans wanted to be more superior. They wanted to spread their civilized cultures and religions to the â€Å"less civilized† countries in order to colonize them easier. The Americas was a great example to illustrate this influence. After Columbus discovered the new continent in 1400s, European powers began to flock and colonize the new world. Despite the natives were resisting, they were soon adapted to their new dominating power. This was because many of the products that they used were imported from the European nations, including tea, clothing, religion etc. The success of the dominating European power was due to the fact that they took advantage of the trading system and method was unsuccessful for the empires in the old world. It is because the â€Å"less civilized† old world countries had already established their own cultures and religions and were not ready to change. For example, Christianity did not find its way in China. Even in the mid 18th century, 200 years after the trading relationship began; only about 0. 08 percent of total Chinese population had converted from Buddhism to Christianity. Therefore, the explanation that trading system continued because of the European’s cohesive civilization was not well constructed, as it was true for the countries in the new world but not the old. Finally, European nations were ore interested in products made in other countries than those countries interested in their products. An example about the Chinese empire was illustrated in the previous paragraph. China refused the purchase foreign goods because they had already a rich culture by itself. In contrast, Europeans were very interested in silk, porcelains and food produced in China. In Africa, where people could not afford European products, European powers simply arrived, enslaved, and â€Å"trade† those indigent people. Therefore, Europeans after 1500s continued their networks with other countries were more because they wanted to purchase foreign products rather than so sell their products. In conclusion, Europeans established ongoing trade networks in Africa, Asia and the Americas after 1500 because they wanted to trade with countries just as eager to trade with them does not sufficiently entail the trading landscape at that time. Some countries were uninterested in their products and some others simply cannot afford them. As a result, the statement is false and should be revised. How to cite The Trade Relations Among Europe and Africa, Asia and America, Papers

Friday, December 6, 2019

Advantage and disadvantage of social media in hindi free essay sample

Only a few technology-loving, mind-stimulating and idea-generating individuals out there are still unplugged with social media. I am sure those too will Join soon as well since social media is not Just a platform for easy and simple advanced online marketing, it is also the revolution of our century! Many people have tried to capture the importance of social media. In todays post, we will introduce to you the most must-know advantages and disadvantages of social media so youll be aware of how to use it in the safest and most valuable possible ways! 5 Must-know Disadvantages of Social Media: 1 . The wrong online brand strategy could put you at a viral social disadvantage and may even damage your reputation, i. e, when you make a mistake offline, a few will know but when you make a mistake in front of hundreds or thousands of you online audience, most of them will know! 2. We will write a custom essay sample on Advantage and disadvantage of social media in hindi or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page Using social media for marketing and advertising could be more time consuming than companies expect. 3. In order to get social medias full effect, you need to understand how it works, when and how to use it and which channels to focus on depending on your end goal of using social media. 4. Social media can have a negative influence on worker productivity. Employees may waste valuable time using social media channels such as Facebook and Twitter. They can also use social media to attack the companys reputation! 5. When social media is used excessively or in the wrong way, it could have serious detrimental outcomes on both mental and even physical health of individuals. 5 Must-know Advantages of Social Media: 1 . When using social media for marketing products, social media could be easily utilized to create cost effective strategies and campaigns that can create viral results. 2. Social media has the power to drive traffic to your website, blog, articles, etc. Social media is able to bring people together, especially when promoting global products or cause-related campaigns and ideas since it allows people from the different geographical location to meet at a single point and express their views. 4. Social media could be the spark you are looking for to attract attention to your site, product or service. It could also be used to further build loyalty and long-term relations with your audience. 5. Social media marketing could always be a fun and creative method of doing business. advantage and disadvantage of social media in hindi By umarmalik99 Advantage and disadvantage of social media in hindi free essay sample ?Only a few technology-loving, mind-stimulating and idea-generating individuals out there are still unplugged with social media. I am sure those too will join soon as well since social media is not just a platform for easy and simple advanced online marketing, it is also the revolution of our century! Many people have tried to capture the importance of social media. In today’s post, we will introduce to you the most must-know advantages and disadvantages of social media so you’ll be aware of how to use it in the safest and most valuable possible ways! 5 Must-know Disadvantages of Social Media: 1. The wrong online brand strategy could put you at a viral social disadvantage and may even damage your reputation, i. e, when you make a mistake offline, a few will know but when you make a mistake in front of hundreds or thousands of you online audience, most of them will know! 2. We will write a custom essay sample on Advantage and disadvantage of social media in hindi or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page Using social media for marketing and advertising could be more time consuming than companies expect. 3. In order to get social media’s full effect, you need to understand how it works, when and how to use it and which channels to focus on depending on your end goal of using social media. 4. Social media can have a negative influence on worker productivity. Employees may waste valuable time using social media channels such as Facebook and Twitter. They can also use social media to attack the company’s reputation! 5. When social media is used excessively or in the wrong way, it could have serious detrimental outcomes on both mental and even physical health of individuals. 5 Must-know Advantages of Social Media: 1. When using social media for marketing products, social media could be easily utilized to create cost effective strategies and campaigns that can create viral results. 2. Social media has the power to drive traffic to your website, blog, articles, etc. 3. Social media is able to bring people together, especially when promoting global products or cause-related campaigns and ideas since it allows people from the different geographical location to meet at a single point and express their views. 4. Social media could be the spark you are looking for to attract attention to your site, product or service. It could also be used to further build loyalty and long-term relations with your audience. 5. Social media marketing could always be a fun and creative method of doing business.