Archive for the ‘Free article earth science’ Category

career in the earth drilling

Wednesday, November 11th, 2009

To follow a career in earth drilling, acquiring a academic degree in soil scientific discipline, construction, building management or engineering is important. This has to be followed by a couple of years of on the job training with reputed companies to garner some valuable exposure. With experience and skill, you can move your way up in this field to become a manager or contractor. Verification of a years experience at a drilling well and successful completion of the licensing exam qualifies an engineer to be a licensed driller.

Drillers have to own knowledge about the specific nature of the earth at the location of drilling and its environment. Without this, they cannot guarantee the safety of their crews involved in digging and drilling down the earth in adverse conditions. The texture of the soil too varies from place to place; from soft clay to coarse soil to lava to fertile soil, and snow, which covers large parts of the land mass in the northern hemisphere. The following brief attempts to explicate the type of job and the usual tasks that you will be anticipated to do as an earth driller, so you can determine your flair for a career in this field.

Drilling technologists are responsible for contriving and bringing off economically the drilling of holes in the earth for collecting samples of soil and natural gas present at the site. Their job also involves inserting pipes, lay signs or poles, making holes to set up telephone poles, or small tunnels running parallel to the land. They have to work closely with drilling contractors (the operator of the rig and its team), service contractors and compliance personnel. Drillers must be resilient physically because the nature of their job requires extensive core drilling to tap sub surface salt and water repository, use of explosives, horizontal machines and earth boring machines.

Occasionally, due to the inaccessibility of certain drilling sites, conveying drillers have to drive automobiles such as heavy weight trucks or fly helicopters to reach the site. It is a drillers job to ensure that the drill is correctly placed, leveled and steady before the drilling occurs. He must also check if all the necessary parts are intact and if the angle of the drill is perfect. Drillers are expected to know how deep and fast to drill and when to begin and stop the drill. During drilling, construction and well drillers are expected to carefully observe the tone of the drill to determine the layer of earth being drilled. This is an important piece of information for them to base their decision to either change the drill bit or continue to drill, if required.

Some building drillers are also known as core drill operators. Their job is to extract samples of ground to test availability of ores or minerals and to evaluate which layer of rock they belong to. They are also responsible for recording their findings and base their inferences on the drilled samples, before being sent to the lab for testing.
Earth drillers can earn anywhere from $30,000 to $45,000 a year. Commonly, expenses such as food, lodging and transportation when they are deputed to a different drilling sites are borne by their employer. Some companies also offer experienced drillers benefits such as a per diem site allowance in addition to health, dental and retirement plans.as a field would be an ideal choice for you.

The science of astronomy

Wednesday, November 11th, 2009

When we think of astronomy, we may be inclined to think that it only deals with scientists and astronomers looking up at objects in space with a telescope. However, there is far more to astronomy than simply looking at objects in space. In this article, we will look into the science of astronomy.

The countdown has started, and astronauts in are preparing for a journey that will take them to our Moon. The button is pressed and the space shuttle begins on its assent.

At this point, we may start to imagine that astronomy is not just about telescopes and taking pictures of objects in space. As that space shuttle begins to go, it needs fuel to go. And here we find our first science – chemistry.

The mixture of fuel which includes oxygen is one which needs top chemists to figure out what is needed to safely propel and bring back those astronauts. There is a need for mathematicians to figure out with the weight and all the other information and data, how much fuel is necessary to make that space shuttle go.

But, what about the space shuttle? We have forgotten about the engineers that had to make up this fine specimen of engineering. What materials they would have needed to be made out of. And what about those who had to make those parts?

We can forget that there is a lot to astronomy today, and that a lot of different sciences had to go into making the space shuttle do the famous Neil Armstrong landing on the Moon. But, how did we get Neil Armstrong onto the Moon?

Space has no oxygen, and any human that tries to go into it, would die instantly! Biologists had to figure out how this was all possible. It required the science of biology to figure out how to keep astronauts alive all that time, from food, to other human essentials.

We have just looked at the space shuttle and have uncovered many different branches of the sciences that go into making a space shuttle, and its expeditions to be successful.

We have almost forgotten that it needed creative people who were not necessarily scientists. For example, the artists who had to make up designs for certain things which are necessary in the beginning, before the space shuttle was even made.

The sciences in astronomy also have other aspects such as those required to make radio telescopes possible. The computer technicians, programmers, and even the electronics professionals that have to possibly make up the equipment for the telescope.

As we can see there are many different areas that go into making astronomy what it is today. There is more to astronomy than telescopes. And there is more to astronomy than simply looking out into space. The field of astronomy helps in knowing when brownouts may occur on Earth, and other things about Earth which we never knew before.

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Napa Valley

Wednesday, November 11th, 2009

Napa Valley is situated in Napa County, California. Napa Valley is regarded as one of the finest wine regions in California and the entire United States, with a history that goes back in time to the nineteenth century. The blend of the Mediterranean type of weather, natural features and geology of the valley are advantageous to grow the finest quality wine grapes.

The initial founder George C. Yount was the first to plant wine grapes in Napa Valley. In the year 1864 George C. Yount’s son-in-law Thomas Rutherford and his new bride Elizabeth were given 1040 acres of land in the region, which is currently known as Rutherford as a wedding gift from Elizabeth’s father. Thomas Rutherford made an investment in producing grapes and winemaking from the year 1850 to 1880 and launched himself as being a cultivator and manufacturer of high-quality wines.

The Napa Valley Wine Auctions are probably the planet’s most soigne charitable wine events as they comprise of a four-day churn of parties, wine tasting events, scrumptious dinners, and amazing auctions. However, wine labels are the main source of the renowned names at this event. You might spot Bob Mondavi talking energetically or Robert Sinskey hosting a formal lunch within the caverns that were dug into the rocky hill at the rear of his vineyard. You can also come across John Trefethen getting excited on the subject of walnuts and wine, and Jack Cakebread proudly explaining the gastronomic treasures at his American Harvest Festival that takes place once a year.

Although the majority of the crowd is rich including the executives in the technology sector, restaurateurs, business tycoons as well as entertainment magnates, the event in addition attracts schoolteachers, banking professionals, and the rare appearances of the basketball superstars. There are a lot of them who in no way have raised a paddle to place their bid. However, they all share one general connection. Every one of them simply loves wine and the romance associated in particular.

The Napa Valley Vintners Association that is 50 years old does not lack in any romantic settings; continuous vineyards, wineries dressed in ivy, ancient stone caves and charismatic modern ones. All these thrilling experiences are not cheap in any way. A total Wine Auction package price is set at $1,000 per person. It gives you the right of entry to every one of the events as well as a bidding paddle. All you will have to do is select and decide amongst those that have common characteristics.

Since the past 19 years, the auction has collected approximately $20 million for medical as well as psychotherapy services for land tillers, families having low income and pregnant mothers, women and children susceptible to mistreatment, and people suffering from ‘Aids’. The Auction profits that sum up to more than $8 million go to a Napa Valley Health Care Fund, an annual donation for the future health care of the poor valley workers.

The event commences with two silent auctions, one being ‘the barrel’ auction and the other ‘the private donor’ auction. ‘The barrel’ auction takes place at Silverado Vineyards where the guests get to taste the sample wines from barrels that have not yet been released. The silent auction sells private donor lots as well. These donors present well-aged and rare wines that are prepared by the vintners in the Napa Valley.

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Geography of Birmingham

Wednesday, November 11th, 2009

On a world map the co-ordinates for the city of Birmingham are 52o 28? line of latitude north and longitude 1o 53? west. Birmingham is a metropolitan borough of the West Midlands and a unitary authority in its own right. However, it also still retains historic links with the counties of; Warwickshire, Worcestershire sauce and Shropshire to which its suburbs once belonged. The population of Birmingham exceeds 1 million people getting in the second largest city in the country; the population of the West Midlands conurbation is almost 2,300,000. Birmingham city covers an area of some 26,700 hectare giving it a population density of around 38 per hectare, which is slightly less crowded than many other major UK cities.

Artefacts going back to Roman and even the Bronze Age establish that there have been settlements in and about Birmingham for a long time. Before it became a heavily industrialised city Birmingham would have grown and developed by the aggregation of small farming hamlets, probably centred on areas close to the River Rea. The surface geology of Birmingham is sandstone, mudstone and a pebbly silty clay that would have been deposited at the time the glaciers retreated during the ice age. By and large the surface geology is rarely more than 10m thick. The dominant bedrock in Birmingham is the red mudstones and sandstones that were laid down during the Permian and Triassic eras, roughly 290 to 250 million years ago.

To the west of the city there are Carboniferous coal amount deposits and rocks dating back to the Silurian era. Of signification here is the area known as Wrens Nest, Dudley, which is a site of exceptional importance for Lower Silurian limestone. In 2002 Birmingham was hit with the Uks largest earthquake in a decade, measuring 4.8 on the Richter scale the epicenter of it was in Dudley which sits on a major fault line. Birmingham also sits on a fault line running south-west to north east through the city.

Once sitting on the northern edge of the Forest of Arden and surrounded by woodland, timber was the traditional building material. With sand and gravel deposits and limestone nearby the use of mortar mixes and concrete was also common. Ever since they could be mass produced, bricks and plain baked clay tiles have subsequently been used in buildings.

Geographically Birmingham sits on the Birmingham Plateau which is commonly 150 to 200 meters above sea level. However, the Lickey Hills in the extreme south west of the city rise to 285m. There are three main rivers flowing through Birmingham; the River Cole which flows across the south to north-east of the city; the River Rea, which flows from the south west into the River Tame north of the city centre. The River Tame flows west to east across the city and eventually flows into the River Trent at Alrewas. None of the rivers passing through Birmingham are navigable by boat.

The climate in Birmingham is typical of England being a moderate one. With most of its weather systems arriving on the prevailing westerly winds, the average temperature in January is 30C and July it is 150C. On average Birmingham receives less than 750ml of rainfall a year which, being relatively close to the Welsh hills and mountains, much of the rain being carried by the dominating winds is deposited over Wales before reaching Birmingham. The average expectancy of rain in Birmingham is about 175 days a year. The temperature in January is lower than might be expected for a metropolis in the midland of England. This is because the city is centrally located in the landmass and so does not benefit from the blanket effect of the North Atlantic Drift.

House prices in Birmingham vary crossways the city dependant on the suburb in which they are located. Traditionally the 2 most expensive areas have been Edgbaston and Sutton Coldfield. The suburb of Harbourne is seen as an up and coming area for young professionals being close to the city centre, the university and the main Birmingham Hospitals. Houses in Bournville, especially those that are part of the Bournville Village Trust, are also much sought after. The overall average cost for a house in Birmingham is 155,000 GBP.

The average price of a four bed boarded detached house is the same as the national average at 320,000 GBP which is higher than the regional price of 275,000 GBP. A three bed-room semi-detached house is 160,000 GBP, below the national average of 185,000 GBP but some 5% above the regional average. A 2 bed-room terraced house in Birmingham typically costs 130,000 GBP, about 7% higher than regionally and 10% higher than the national average. At over 130,000 GBP for a 2 bed-roomed flat, Birmingham is around the national average price, but again higher than the regional average.

Whilst at that place are 43 major suburbs, the city council for Birmingham has 40 electoral wards which each return 3 councillors. The city is divided into 10 electoral constituencies to comeback Members of Parliament.

Marine biology

Wednesday, November 11th, 2009

Founded in 1930, the WHOI is the largest independent oceanographic research institution in the U.S., with staff and students numbering about 1,000. For student group travelers with an interest in science or marine biology, the WHOI offers a fascinating world of ocean research. Its research departments include Ocean Physics and Engineering, Biology, Marine Chemistry, Oceanography, and Geology. The facility’s four Ocean Institutes have an ambitious agenda for future ocean research to benefit society and include the Coastal Ocean Institute, Deep Ocean Exploration Institute, Ocean and Climate Change Institute, and the Ocean Life Institute. WOHI also operates four main research vessels: Atlantis, Knorr, Oceanus, and Tioga.

Students touring the WHOI’s Ocean Science Exhibit Center learn about the ocean science research programs and the vessels and tools developed by engineers and scientists for that research. Short videos provide an introduction to WOHI, show a day in the life of the deep submersible Alvin, and highlight the discovery and exploration of the wreck of the Titanic.

Students then step into a full-size model of the inner sphere of Alvin and imagine life at the ocean floor while watching vivid footage taken at deep-sea hydrothermal vent sites. Interactive exhibits feature whale and dolphin research and explore the roles sound and hearing play in the lives of marine mammals. Other exhibits and videos feature the life forms and natural processes of the deep sea. Student groups visiting the WHOI Exhibit Center can enhance their visit with a presentation by a docent. A group presentation provides visitors with an overview of what they will see and learn throughout the center.

During the summer months, WHOI volunteers guide visitors on free walking tours through the WOHI dock area and other restricted village facilities. The one-hour tours provide background on the research conducted at WHOI and on the history of the institution. Tours run from late June through early September, Monday through Friday at 10:30 a.m. and 1:30 p.m.

Combined with a visit to WHOI, students may opt to continue their marine world experiences at the New England Aquarium in Boston. The Caribbean Coral Reef Exhibit is a 200,000-gallon tank and the centerpiece of the aquarium. The reef accommodates not only sharks, sea turtles, and barracuda, but also hundreds of smaller exotic tropical fishes, and is one of the most accurate recreations of its kind.

During their visit to the aquarium, students can also explore the world of penguins, sea dragons, seals, freshwater fish, and much more. Whale watching cruises whisk students to whale feeding grounds, just 30 miles east of Boston. The aquarium’s giant IMAX screen takes students on journeys to the bottom of the sea, outer space, and everywhere in between.

The New England Aquarium’s scientists and explorers travel the world’s ocean to uncover mysteries, from sunlit coral reefs to the unexplored depths. The aquarium was one of the first in the world to create a Conservation Department and has been a leader in creating an appropriate conservation plan for aquariums.

travel adventures Travel Adventures is staffed by educators who understand the needs of teachers. Serving over one half million students since our inception, we provide hassle-free travel arrangements while empowering teachers to create change by expanding the classroom to the world. Our experienced team of travel professionals is dedicated to exceeding your student travel expectations.

Panning for gold

Wednesday, November 11th, 2009

Panning for gold is a fun activity that can help you connect with nature and fill your pocket. It can also be a very educational hobby for kids as they can learn about geology and have fun collecting pieces of gold.

Known as prospecting, this hobby affords a chance to be out in nature, in some of the most beautiful locations in the country.

Choosing a good location is easy, just Google prospecting sites and you will find various locations and learn about hot spots to pan for gold. The U.S. Dept of Agriculture permits gold panning in National Parks, with a pans and hands policy, that is, no use of machinery or explosives.

To pan for gold, a special plate or pan is used. This can be purchased online from various sources. The pan should have some grooves in it to allow material to filter.

To start, scoop up some river bed material and lift it out of the water. Hold the pan with both hands over the water to discard normal rocks back in.Gently shake the pan. This will allow the finer materials to settle down to the bottom, and keep the large stones on top. Discard these larger stones. Tit the pan and gently immerse in water and then move the pan in a circular motion. This process will keep the smaller, finer materials to settle down. Keep removing larger rocks. As this process continues, you will start seeing gold nuggets of varying size and shape.

It is also a good idea to conduct some research of the location you would like to try prospecting. One place to learn about gold is in Gold Country, located in Nevada County, California. You can go on tours of mines, learn to pan, view mining equipment and buy supplies.

Locally, the Yuba River offers the public a great place to pan for gold, along with amazing natural vistas and swimming locations. In the area are bridges and artifacts from the Gold rush days.Locals say the best time to river pan is in the spring, shortly after the floods. Why? Well, the huge quartz rocks and boulders in the river are carried and banged together, breaking the stones and revealing gold nuggets which can be panned. Some people have hit the mother lode, so to speak, and have been quite successful in their hobby.

If you would like to try a calming, meditative hobby, which could make you rich, or at least put some shiny rocks in your pocket, try panning for gold as an activity for that camping trip. Easy, inexpensive and fun, gold panning can offer you hours of joy. Even if you walk off empty handed, the education and freedom in nature are worth the effort. Persistence is important, however, if you wish to live the dream of harvesting your own money as income.

The Austin Nature and Science Center

Wednesday, November 11th, 2009

Search nature at it is better at the Austin Nature and Science Center, where visitants can experience displays, nature trails and educational events all year long. The nature center has dedicated its resources to educating and instructing Austin citizens on how to appreciate the natural world and experience its wonders.

The Austin Nature and Science Center is home base to about a hundred inborn animals that are not able to live in the furious. From birds of prey to porcupines, bull snakes and deer, the animals are showed in all-natural enclosures and take in top quality care and medical attention. The Birds of Prey Exhibit, Small Wonders Exhibit and the Mammals Exhibit are all designed for maximum viewing as well as the ultimate comfort to the animals.

Living animals aren’t the just things worth visiting at the Austin Nature and Science Center. Dinosaur enthusiasts can participate in several activities assorted with the center’s paleontology efforts. With a Dino Pit on site, visitors can dig up dinosaur replicas just like the paleontologists do, learning about fossils that are native to Texas. Dinosaur tracks can also be found, and guests can learn all about fossils that once belonged to dinosaurs that roamed the Texas countryside. Visitors of all ages will feel the joy of discovery as ancient creatures are unearthed before their eyes.

The other features of the Austin Nature and scientific discipline Center are equally as entertaining. The Discovery Lab is a place where hands-on science labs are set up to explore nature, including botany and geology. The Eco-Detective Trail is a walking trail that winds through natural Texas landscape and treats the visitor to a true outdoor experience. The Sheffield Education Center is the home of the Splash! exhibit, an active aquifer with flora and fauna on display.

Platforms, summer mini camps and further await the visitors who are interested in checking out the Austin Nature and Science Center. Many events are hosted annually, and there is always room for special group guests, such as Girl Scouts and Boy Scouts. Schoolchildren look forward to a visit to the center during field trips, and the center even hosts home school programs. This living museum is an Austin highlight, and the Austin Parks and Recreation Department has highlighted the center as a model for conservation and education.

Whether for an individual, family or group, a travel to to the Austin Nature and Science Center is a fine way to spend a day getting to know the natural wonders of Central Texas and knowing them in a memorable way.