some people on here like to act as though because I am only 20, I am immature, or that I should not be allowed to do the same things here as someone older then me can do, or that what I say is meaningless and all due to my age... well here it is people...
When Louis Braille was 15 years old, he developed an ingenious system of reading and writing by means of raised dots. Today, in virtually every language throughout the world, Braille is the standard form of writing and reading used by blind people.
Anton van Leeuwenhoek is best known for his work on the improvements of the microscope, in 1648 at the age of 16.
The mechanical adding machine was invented by a nineteen-year-old French boy named Blaise Pascal
Benjamin Franklin at the age of 15, was busily occupied in delivering newspapers by day and in composing articles for it at night. These articles, published anonymously, won wide notice and acclaim for their pithy observations on the current scene.
At the age of 15, Cyrus Hall McCormick invented a lightweight cradle for carting harvested grain. Seven years later, in 1831 he invented the reaper, a horse drawn farm implement to cut small grain crops.
Henry Bessemer produced his first invention at the age of seventeen--embossed stamps for use on title deeds. At that time, the British government was losing thousands of pounds in revenue each year through the illegal reuse of title stamps. Bessemer's invention made the crime impossible and earned him his first job.
When he was 15 years old Thomas Alva Edison published a weekly newspaper, printing it in a freight car that also served as his laboratory. While working as a telegraph operator, he made his first important invention, a telegraphic repeating instrument.
Since the age of 18, Alexander Graham Bell had been working on the idea of transmitting speech. While working on a multiple telegraph, he developed the basic ideas for the telephone.
George Westinghouse, at age 19, obtained his first patent, for a rotary steam engine.
Philo Farnsworth a 14-year-old had an idea while working on his father's Idaho farm. Philo realized an electron beam could scan a picture in horizontal lines, reproducing the image almost instantaneously. It would prove to be a critical breakthrough, towards electronic television.
As a 17-year-old high school junior, Robert Heft found himself in need of a class project. His proposed 50 star American Flag idea was initially turned down by the teacher. He went ahead and finished his project, receiving a B minus for his efforts. Heft's teacher compromised and promised to deliver a better classroom grade if he could get the U.S. Congress to accept his flag. The rest is history.
Rebecca Schroeder from Toledo, Ohio, USA was ten when she became an inventor. Becky got a patent for her invention in 1974; she was on television and won awards for it. She improved upon the idea over the next few years eventually calling it the Glo-Sheet. The Glo-Sheet has been used in many places. Doctors use them so they can check patient's notes in the dark without waking them up and the US Navy and NASA have used them.
all younger then 20 when they did these things, things that changed the world and how we see it. Imagine if people on a whole were like some on here, or if the governments and professions of the world had said "you are younger then us so your opinions, thoughts, ideas, and inventions are meaningless"? | 
