Why Do Human Beings Need Vaccines?

Why Do Human Beings Need Vaccines?

Vaccines

Vaccines

Vaccines are given to the small children to protect them from different kinds of diseases. When germs enter the body, the immune system recognizes them as foreign substances (antigens). The immune system then produces the right antibodies to fight the antigens. That immune system is protected by the vaccines. By giving the vaccine one can fight against the diseases and bacteria to enter into the body of the children. Vaccines not only help keep your child healthy, they help all children by stamping out serious childhood diseases.

Vaccine works in such a way that it is through the vaccine the antibodies which are related to one particular virus are getting passed into the body by giving the vaccine. By this, if due to some reason if those particular virus is affected to the body of the children, these antigens acts as a protection wall and fights against those viruses. Vaccine is a dead cell or a useless cell which protects the body from getting attacked to a particular virus which enters the body and damages the health. That antigen which is responsible for the attack of the disease is given in needed quantity. By passing that antigen into the body, the body gets ready to that level for protection which is needed to fight against the virus that entered the body. Finally, the body gets ready to the extent where it can fight strongly against the virus with full resistance power. In this way, to increase the resistance power in the body, the vaccines are given to the children.

What are the Advantages and Disadvantages of Uvula?

What are the Advantages and Disadvantages of Uvula?

Uvula

Uvula

It is the language which separates the man from animal. The system which is useful for this purpose is there in the human being separately. Besides all the body parts like tongue, jaws, inner mouth, teeth formation and lips in the mouth area, even the Uvula is also very important. When the air taken with the respiratory system and when that air is passed through the larynx with the orders and suggestions made by the brain, the sound is produced. Those sounds are changed into the language and speech form by the tongue and other parts of the human body system. If those sounds are passed in a proper order and arrangement, the articulation is possible and there comes the speech from the mouth. In this process of articulation of speech, even the Uvula also plays an important role. If the position of Uvula is not in a proper way, the sound, noise and the speech will not be in a proper way. On the other hand, when the food particles are swallowed, this Uvula acts as a wall and do not allow the food particles to pass into the trachea.

What are the Main Functions of Trees for Free Organization?

What are the Main Functions of Trees for Free Organization?

The air pollution is not caused by the trees. On the other hand, the rains are fallen in correct time if there are abundant trees. It is well known fact that with the correct and proper rainfall, much good is done to the environment on all the factors. But, having all the facilities like opportunity, time, place and incomes are very less in these days as the whole time is been spending for the income and for their livelihood. But, one can get a doubt that what kind of trees are to be planted which do good to the environment? On the other hand, the doubt like where those kinds of plants are available? The people who do not know even this information are seen in abundant in the existing society. Besides these factors, there are the people who do not have proper financial status to maintain such good environment by purchasing good and healthy plants and those who do not have sufficient time and place to plant those trees. The problems may vary from one another.

Janet Yegneswaran is one of the people who has established a voluntary organization in Bangalore for a good cause. Everyone knows the benefits of planting trees: cleaner air, good monsoons, no global warming. But most of us don’t get the time or sometimes don’t really have the inclination to go that extra mile to plant a tree. Trees for Free is a wonderful organization that has taken up this initiative in Bangalore. They involve volunteers and companies, inspiring them to give back to the environment. This organization is offering free trees for the people who are having interest in planting the trees. On the other hand, this organization also shows the place or the area to plant their trees if they do not have the land of their own. In this way, the Trees For Free has planted a number of plants in Bangalore. The major companies like Yahoo and Aditya Birla Group are offering their financial assistance for this organization. In their company, each person will plant a tree on their birthday and celebrate their day.

Who is the Last Person to Walk on Moon?

Who is the Last Person to Walk on Moon?

Eugene Cernan

Eugene Cernan

Most of the people answer the question, ‘Who is the first person to walk on the moon?’ as saying Neil Armstrong. But, it is a bit difficult to answer the question that who is the last person to walk on the moon till today. Eugene Cernan and Harrison Smith are the astronauts who are recorded as the last persons to walk on the moon according to the special records. This takes place in the year 1972 where they travelled in Apollo 17 named rocket. These two people were there on the moon from December 11 to 14 of that year. Among all the 12 persons who walked on the moon, the Harrison is the 11th person to walk on the moon. Though both Cernan and Harrison travelled in the same rocket, the Cernan came first from the rocket and then came the Harrison from the rocket. On the other hand, Cernan going to the moon is not the first time. That is why; Harrison is recorded as the last person who walked on the moon. But in the return to the moon for the next time, it is the Harrison entered the rocket first and then the Cernan. That is the reason why, the name of Eugene Cernan is placed in the records as the last person to walk on the moon.

What is Newgrange and where is it located?

What is Newgrange and where is it located?

Newgrange

Newgrange

Newgrange is one of the ancient constructions which are there in one of the county named Meath in Ireland. This construction is found in the eastern side which is about one kilometer away from the north of the River Boyne. The Newgrange is constructed during the Neolithic period around 3100 and 2900 BC. This construction is regarded as a tomb which is taken as a memory of the dead. This Newgrange is constructed in a forest like area round in shape and there is a way to enter into the grange. The artists are having a belief that there are some of the religious beliefs which are attached to its construction closely. This construction is regarded as the ‘World Heritage Site’ by the UNESCO people. The UNESCO has found some other constructions which are same to this Newgrange. The constructions which are found in West Europe are in the Neolithic style and also resemble the Newgrange constructions only.

In the beginning of the construction of the Newgrange it is regarded as one of the construction where there is a route and entry into the tombs. Later on the entry of this Newgrange is closed and is not opened for some thousands of years. There are number of stories and beliefs regarding the Newgrange. A research on this Newgrange has been started from the 17th century onwards and is continuing till today. The archeological department specialists have made many diggings in that area to trace out the facts. In the year 1970, the real Neolithic outlook came into light. At present, the Newgrange has been changed as one of the famous tourist places in the world.

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Is there No Harm with PVC Pipes?

Is there No Harm with PVC Pipes?

PVC Pipes

PVC Pipes

For most of the period, the tubes which are made of the pig iron are been used because they do not form the rust as those pipes are always passes the water and for the drainage purposes. So not to have these problems, most of the companies are manufacturing the pipes which are made of plastic for around three decades. Generally, these pipes are made of poly Vinyl Chloride which is also called as PVC. These PVC pipes will be good till they are not caused to pressure and will be watery for a long time without any damage. The chemical stability for the PVC pipes is more when compared to that of the normal steel or iron pipes. These pipes do not cause any harm to the nature till they are in use but, if once they are damaged and removed and thrown into the outside world, they cause land pollution. That is the reason why, the PVC pipes are to be handled with great care so that they will not form any rust and lasts for a long time.

Who Designed Rocket?

Who Designed Rocket?

Rocket

Rocket

Each and every one shows a lot of interest about the space. Once upon a time the rockets are very less in number and the people used to look at the rockets as a wonder. But, these days, the rockets are travelling into the space in many numbers and it has become a common issue. In these days, the travelling of the rocket into the space is a normal issue but not an amazing and interesting one. But, for many decades ago, one entering into the space is happen only in the dreams. But, the travelling into the space is made real by the experiments which are made by Godard. He is born on October 5, 1882. He used to feel amazed and wonder that how the items travel into the air with the help of a fire.

Godard has declared that the rockets can be designed by using the fire and one can travel on the moon with those rockets at the age of 32. He has proved and declared that the rocket can travel in the space in the year 1915. March 26, 1926 is one of the greatest and memorable days in the history of special research. It is on that day, Godard had designed the rocket which runs with the liquid engine and examined its working. That rocket has travelled into the space with 41 feet height. The experiment which is made on that day is the base for the rockets which are running these days. Godard, who is having the rockets as the base, has designed the missiles too. Though Godard is the discoverer of these machineries, he passed away without getting his dream of rocket travelling into the space. He died on August 10, 1959 suffering from throat cancer.

Space Shuttle Journey to Sun | Solar Probe Plus To Go Nearer To the Sun

Space Shuttle Journey to Sun | Solar Probe Plus To Go Nearer To the Sun

Solar Probe Plus

Solar Probe Plus

Due to advancement in the technology, Humans are sending space shuttles to different planets. American space organization NASA has planned to send the space shuttle named solar probe plus in the year 2018 to the sun. It is estimated that the approximate cost for this experiment would be around 4500 crores. So what can be the reason for sending it with such a huge cost? Because it is aimed to collect the data around the sun named corona. Sun is around 15 crores km far away from the earth. Corona is spread around 10 lakhs km around the sun. Corona is surrounded by hot air and the fire from the sun.

So the interesting fact is that if the temperature on sun is 5000 Degrees then the temperature on corona is 200 times higher due to which the temperature is above 10 lakhs degrees. No one knows the reason for the high temperature on it. Also the strongest solar winds blow from the corona area. Sometimes these solar winds effect the radio transmissions, satellite network and electrical transmissions and create havoc and confusion. In order to avoid these problems knowing some more information on the corona is really useful for us.

Now the solar probe plus will cross the mercury orbit and go deeper inside it. It will go towards the sun till approx 64 lakhs kilometers and sends the useful data by revolving around it. Gradually it goes nearer to the sun and burn down. In terms of weight, Scientists have designed the shuttle to be very light weight. For most satellite launches, the scheduled launch rocket is aimed straight up at first. This gets the rocket through the thickest part of the atmosphere most quickly and best minimizes fuel consumption.

Most of the satellites are sent into orbit by a rocket. Several countries have rocket launching capabilities that can sent the satellites comprising several tons, safely into orbit on a regular basis. So do you think that till now no space shuttles are sent to sun orbit? Countries like America Russia and Japan has sent the shuttles in 1973.Compared to those satellites solar probe plus is going 8 times nearer to the sun. So it will take 8 weeks to go nearer to the sun.

In USA most of the Space shuttles are sent from Kennedy Space Center and in Japan it is Japanese Aerospace Exploration Agency (JAXA). The Indian Space Research Organization is the primary body for space research and it is one of the major space research organizations in the world. Following the success of Chandrayaan-1, it is planning a series of further lunar missions in the next decade including a manned mission. Adyta is the First Indian space based Solar Coronagraph to study solar Corona in visible and near IR bands. Is planned to launch the mission in the year 2012. The main objectives of the mission is to study the Coronal Mass Ejection and the crucial physical parameters for space weather such as the evolution of the coronal magnetic field, coronal magnetic field structures. This will provide completely new information on the velocity fields and the heating problem of the corona would be obtained.

What is Static Electricity?

What is Static Electricity?

Static Electricity

Static Electricity

In the past, one of the Greek countryman observed that when   Amber which is a gum substance is rubbed with the fiber, it attracts dry leaves and the dust of the wood. Amber is called as ‘Electra’ in Greek language. Due to the exhibit of the principle only the name electricity came into the light.

One can observe that small pieces of paper getting attracted to the comb if once it is rubbed with the hands and placed near the paper pieces. In the same way, by rubbing the glass stick with a silk cloth, there forms the electricity on the glass rod. The electricity which is having no sensation is called as Static Electricity.

It is well known to everyone that all the materials are atoms. Due to the friction which takes due to the rubbing of one item with the other, the atoms in that item will be lost or gained. Then there forms a kind of static electricity on those items. This situation of static electricity is produced even when the clouds in the sky are rubbed with one another. It is during that situation only; the storms are produced in the sky with great sounds called as thunders. The positive protons and the negative electrons will be there in each atom of the particles in equal numbers. As these electrical proportions will be equal to one another, their effect will not be seen on other items. In the same way, if one item is rubbed with the other, there takes place the exchange of the electrons. Then there forms positive charge on the items which lost their electrons and negative charge on the items which attracted the electrons. The same can be observed in the balloon when it is rubbed on the shirt where the balloon sticks and the hair on the hands getting attracted to the TV when the mirror of the TV is cleaned. The main base or the root for this is the same principle.

Why is Sun Called as Fire Globe?

Why is Sun Called as Fire Globe?

Sun

Sun

When we see the fire on the earth, it will be thicker at the bottom and becomes thin as it reaches the top. When the same fire is present in the sky, it glows in the shape of sphere. The main reason for the round shape is known only when people know the processes which take place when the fire burns. When the oxygen burns with high temperature material which is present in the air, then the energy is released in the form of fire. Air is required for the burning of any substance and so the burning process also takes place in the inner layers of the fire as there will be air present in that layer. Inner layers of the fire are empty as the gases which are formed due to burning process are evaporated. If the burning process is not done properly, black colored gases are released. As the gases in the surroundings move upwards due to light weight, fire seems like extending. As there won’t be gravitational force in the space, gases around the fire won’t escape and they will form as sphere. So the shape of the sun is round.