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Lasers
Beginning of paper
Did you know that some laser beams are small enough and powerful enough to drill two hundred holes on a spot as tiny as the head of a pin?
The first major advancement in laser development came in 1954. This was the year that Charles H. Townes, an American physicist, created a device that amplified microwaves. This device was actually cal .... Middle of paper
.... the first dye laser.
To begin with, I will explain the definition of a laser: It is a device that produces a very narrow powerful beam of light. A laser light is a narrow beam of light, in which all the waves are traveling exactly at the same length and moving together as one. A laser light is made up of only one wavelength and it is a single pure color, while a normal light has many different wavelengths or colors.
The most common laser has ....
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Number of words: 1733
Number of pages: 7 (approx. 250 words per double-spaced page)
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