Essays Tagged: "light waves"


The laser is a device that a beam of light that is both scientifically and practically of great use because it is coherent light. The bea ... duced by a process known as stimulated emission, and the word 'laser' is an acronym for the phrase 'light amplification by stimulated emission of radiation.'Light is just like radio waves in the way t ... information. The information is encoded in the beam as variations in the frequency or shape of the light wave. The good part is that since light waves have much higher frequencies they can also hold ...

(3 pages) 40 0 4.3 Feb/1997

Subjects: Science Essays > Computer Science

The Fear of Science portrayed in Stevenson's "Dr. Jekyll and Mr. Hyde", Well's "The Time Machine", and Shelley's "Frankenstein"

wards a better life. This investment in science gave thenineteenth century society the discovery of light waves and radio waves,the electric motors, the first photograph and telephone, and the firstpu ... 4)Frankenstein knew from then on that he had 'turned loose into the world adepraved wretch, whose delight was in carnage and misery.' (Frankenstein, pg.74)Frankenstein's monster caused 'the death of W ...

(6 pages) 121 0 4.1 Jan/1996

Subjects: Literature Research Papers > European Literature

the uses of lasers and about lasers

rom a machine called a maser. The maser was a toolthat was able to strengthen, or amplify radio and light waves. The firstlaser was made in California in 1960. It was built by Theodore Maiman anda gro ... made ruby. It was done by coiling a simple flash tube around arod, and beaming powerful flashes of light at it. The result was pulses ofred laser light. Once they made the device they had to name it. ...

(3 pages) 61 0 4.3 Sep/2002

Subjects: Science Essays > Technology

The Atom

1897 J.J. Thomson demonstrated that the beam of glowing matter ina cathode-ray tube was not made of light waves, as 'the almost unanimous opinion ofGerman physicists' held. Rather, cathode rays were n ... ould bedeflected by an electric field and bent into curved paths by a magnetic field. They weremuch lighter than hydrogen atoms and were identical 'what ever the gas through which thedischarge passes' ...

(6 pages) 69 0 3.0 Jan/1996

Subjects: Science Essays > Chemistry

Polarized Light

The Oxford dictionary defines polarize as to confine similar vibrations of (light waves, etc) to a single direction or plane.Polarized light is light that's had its electric ve ... d its electric vector reflected in an orderly and predictable way. The difference between polarized light and unpolarized light is that unpolarized light is reflected in a random way, rather than orga ... cted in a random way, rather than organized, it is also more difficult to produce fully unpolarized light than completely polarized. It is the electric vector, not the magnetic vector of a light wave ...

(3 pages) 22 0 3.0 Mar/2004

Subjects: Science Essays > Physics

This is a monolouge which when I performed it I got full credit for the assignment.

say "hello" in Morse Code? Dot-dot-dash. Short-short-long. Our science teacher said something about light waves traveling faster than sound and going on and on forever. I think I might need something ... ng faster than sound and going on and on forever. I think I might need something bigger than a flashlight to really communicate though.In the old days, before the world was all explored you could just ...

(1 pages) 539 0 0.0 Oct/2006

Subjects: Literature Research Papers > Creative Writing

"An Inconvenient Truth" by Al Gore (Global Warming)

ls us about Global Warming. As he tells us, Global Warming involves solar radiation, in the form of light waves, passing through the atmosphere. Most of this radiation is absorbed by the Earth and war ... plain things in a different way and/or view to people who may not understand fully, while adding a slight humor to the serious situation.The visual argument was prominent throughout Al Gore's document ...

(8 pages) 176 1 3.9 May/2007

Subjects: Science Essays > Environmental Science

The Story Of Quanta: A Historical Essay On The Evolution Of Quantum Theory

Earlier debates on the nature of light: waves or particles? 17th century physicists held two views concerning the behavior of light. ... pported by Newton, the genius of mechanics, who naturally followed the corpuscular theory, in which light was made up of particles. The alternative was suggested by Huygens, who believed that light be ... Despite this, observations and predictions favored Newton and the corpuscular theory. After all if light behaved like waves then it could bend around corners and we would ?see through walls?. With th ...

(6 pages) 16 0 3.0 Sep/2001

Subjects: Science Essays > Physics


g high-capacity levels, and speeds of immense magnitudes.Fiber optic is based on the principle that light in a glass medium can carry more information over longer distances than electrical signals can ... oday?s glass fiber, combined with improved system electronics, enables, fiber to transmit digitized light signals well beyond 100Km (60 miles) without amplification.With few transmission losses, low i ...

(9 pages) 34 0 0.0 Feb/2008

Subjects: Science Essays > Chemistry


uency of 2.45 GHz (a wavelength of 12.24 cm). Microwaves are a form of electromagnetic energy, like light waves or radio waves, and occupy a part of the electromagnetic spectrum. The water molecules i ... agnetic spectrum. The water molecules in the food (though overall hold a neutral charge) contain a slightly negative oxygen atom and two slightly positive hydrogen atoms. When the microwaves hit the w ...

(6 pages) 15 0 5.0 Sep/2008

Subjects: Science Essays > Physics