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Parachutes are fairly easy to make, as toy ones that is. However the parachutes that are made to use for real life is not as easy as you think. parachutes have gone through a lot of development but at the costs of several lives.

When you’re free falling thousands of feet up in the air you can fall like pot from a window and literally break when you smash into the ground. No one wants this to happen. parachutes have to made and prepared correctly. Fortunately modern designs have enabled safer and softer landings.

The shape of a parachute is very important. parachutes have come in different shapes through the years. Improvements have led to the creation of more stable ones in square shapes.

Shapes and surface area

The early forms before the modern design was invented were conically shaped. They were usually made up of cloth and wooden struts. The very first one was a conic shaped parachute stiffened by wooden struts in 9th century.

The inventor was able to make a landing from a tower in Cordoba and suffered only minor injuries. Leonardo da Vinci made sketches of them but there were no evidence that showed it was put to use.

It was also used for entertainment because it enabled people to jump and float to the ground which was very fascinating at that time. In China parasols were used for entertaining people. A breakthrough in the development was made when silk was used. This time parachutes were intended to be used for disembarking from a hot air balloon.

In 1783 the modern parachute was invented. The shape was round and was compared to the jellyfish. Its major use was in the military in World War I and II. It was given to artillery spotters and pilots. Unfortunately they were heavy in those times. Further developments lead to the creation of paratroopers. These were soldiers dropped into the enemy lines for attack.

There are variations to the round shape parachute. Additions were made for other purposes. Annular and pull down apex were round parachutes with suspension lines. Ribbon and ring designs on the other hand are made for deployment at super sonic speeds.

It later on developed into a cruciform or square shape which is also used in modern designs today. The design gave the parachute more stability. Further improvements enabled the passenger to steer the parachute to a landing site. Modern designs are called "Ram air" with parafoils that enable the skydiver to control the speed and direction of the parachute.

The shape of the parachute is important because of its relation to surface area.

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Many people are confused at exactly why so many gymnasts who are professional are so very young. There are several reasons, however one of the main reasons why most gymnasts especially those who are heavily competing are so young. As young girls especially are concerned, they reach their maximum potential usually around 16 to 17 years of age.

At this point in a girls life she has developed the muscles and strength necessary to perform the routines and tricks and she also has the greatest amount of flexibility possible. The ability have maximum strength as well as maximum flexibility usually factor together and allow most girls to compete actively until they are approximately 20 years old.

However, this is simply a guideline and the past has taught people that it is possible to still complete in Gymnastics even after the age of 20 for females. It is important to realize though that Gymnastics physically takes a lot of energy and effort and once the body starts to really age and mature keeping up with the strains is quite difficult to do.

In contrast to women’s Gymnastics , the men who are involved are spending greater amounts of time focusing on strength. Because of this difference, most men reach their peak in Gymnastics around the age of 20-25. This greater age allows most men to achieve the higher level of strength that is required to actively participate in the elements and events.

As the age of gymnasts continue to stay low, it is important to realize that there are rules limiting the ability of very young athletes from participating in major competitions. The age limits are currently no gymnast younger than 16 is permitted to perform at any international competition including the Olympics and World competitions.

While this may seem unfair the overall goal is to help ensure that the gymnasts are physically and emotionally ready for the rigors of strict competition before participating. In the past gymnasts as young as 14 were allowed to participate however this changed in 1997. In the meantime, the age of maximum ability has remained fairly steady in the 16-17 year old range.

The young age for professional and semi professional gymnasts has also helped to encourage the number of children moving around in the search for the perfect coach. With many children involved in Gymnastics reaching their maximum potential at a very young age parents are often left with the decision about where they can find the best coach possible. There are times