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Spectral Reflectance Spectral Reflectance Reflectance Spectral Reflectance Color
726 words
white light = RGB light in equal amounts color is
a psycho physical response the human eye sees from
380 770 nm (NOT 400 700 nm) ex. / 380 550 770 blue
green red 1. psycho physical theory: invented by
Young Helmhotlz, the eye sees three colors of
light red, green, and blue that are reflected from
objects. 2. trichromatic: sees all three colors 2.
dichromatic: sees only two of the three colors 2.
monochromatic: sees only black and white 2.
opponent vision theory: invented by Herning,
perceptions ...
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Compass Has Served Compass Was Invented Magnets
349 words
The compass has served as a navigational aid to
many tourists, travelers, and numerous explorers.
Though the compass has served well in navigation,
it has affected and improved mankind greatly. In
China, building was refined in many ways by the
compass. It has enabled many to find positions,
direction or route. No one knows when, where, or
by whom the compass was invented (dEstaing and
Young 153). We do know though, that there were
numerous inventors of the compass. The first
compass was invente...
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Light Bulb Grolier Multimedia
1,351 words
On October 22, 1879 Thomas Edison created the
electric light or what we know of it today as the
light bulb. To make a statement like this that
Thomas Edison invented the light bulb is both a
huge hyperbole and a huge understatement all at
the same time. A more correct view is that he
perfected a practical light bulb and that his real
plan and accomplishment was the invention of an
electrical system to produce and distribute
electrical power. He did in fact invent a light
bulb with the correct fi...
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Benjamin Franklin Thomas Edison
974 words
Benjamin Franklin was born on January 17, 1706, in
Boston, Massachusetts. His father's name was
Josiah Franklin and his mother's name was Asian
Folger. Benjamin was the 15 th child of 17 and was
the 10 th boy. Benjamin went to grammar school
from age eight to ten and decided to stop, but
read enough books to educate himself. After
leaving school he went to work for his dad making
candles. He did not like working for his dad so he
became a cutler. At age 13 he worked with his
brother James, who h...
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Miles An Hour Steam Engines
1,292 words
How much people's lives changed for the better
during the Industrial Revolution and why? In
Britain about two hundred years ago, great changes
took place in making goods and transport, which
has moulded the way our world works today. These
changes made big differences to many people's
lives and work methods; and put together these are
called the Industrial Revolution. They started in
Britain and speed to Europe and on to the United
States. A lot of the Industrial Revolution's
changes helped the ...
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Game Of Basketball Basketball League
1,192 words
The game of basketball has evolved a great deal
throughout the years. Basketball was invented on
December 21, 1891. The inventor of the game was a
Canadian clergyman, James Naismith (Joseph Morse,
1973). The game of basketball was fashioned from
fragments of other games, seeking to eliminate
flaws of indoor rugby, soccer and lacrosse.
Naismith also borrowed aspects from the childrens
game Duck-on-a-Rock, in which children tried to
knock off a rock from a boulder by tossing smaller
rocks from abo...
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The Industrial Revolution In England
1,405 words
In the years preceding 1750 England, although a
wealthy nation still suffered from poverty and a
poor economy. Despite the fact that there were
manufacturers, not enough produce could be made,
and so England remained poverty stricken. The 2
main areas of productivity were agriculture and
woollen textiles, the larger earner of these two
being wool. The manufacture of woollen cloth had
been the main industry since the middle ages, when
England was one of the worlds greatest producers
of raw wool. ...
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Jorge Luis Borges Style
2,103 words
Jorge Luis Borges Style Jorge Luis Borges is the
Argentina writer. He began his literary activity
in Spain as one of founders of a modernist
direction - ultraism which principles he have
later developed in the Argentina poetry. Borges
has gained wide popularity with fantastic stories
that contained idea of absurdity of the world to
that their complicated figurative structure
corresponds. He was the author of many literary
researches and essays. Ultraism is one of the
"left" directions in the Spa...
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Twelfth Century Political Turmoil
2,645 words
Arabic Mathematics Everybody would agree that
mathematics owes a great debt to the Arabs. Just
as George Sarton, a famous Harvard professor of
history and science wrote in his not less famous
Introduction to the History of Science: From the
second half of the eighth to the end of the
eleventh century, Arabic was the scientific, the
progressive language of mankind. When the West was
sufficiently mature to feel the need of deeper
knowledge, it turned its attention, first of all,
not to the Greek s...
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Tvs Steps Camera Tube Picture
427 words
We have at Television TELEVISION We have at least
a television in our home. television allows us to
hear and see events as soon as they happen. If our
grandmas mother or father see TV, theyll suprised
and say This is diablos machine! . We watch TV at
least two hour in a day. HOW WORKS TV? When a TV
program is broadcast the sound and picture are
sent out simultaneously by two different radio
systems. The TV camera takes the picture. Camera
is the most important part of the camera. The
light from ...
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Iron And Steel Blast Furnace
1,160 words
The World is forever in debt to China for its
innovations. Ancient China was extreme advance and
many of its discoveries are still in use today.
This is what Robert Temple, the author of The
Genius of China 3000 years of science, discovery
and invention. The book is based on 11 main parts
of Chinese innovation. Within these 11 categories,
there are 3 main parts that contain the most
significant inventions. Robert Temple concentrates
the bulk of his examples in these three
categories, agriculture...
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Consumer Products 25 Years
1,280 words
Every day companies compete by inventing by
inventing a new product. Some of these things are
very useful and we dont know how we would live
without them. Many of these products dont have
much impact on society and fade out throughout the
years. Most of us can think of many examples such
as: Crystal Pepsi, slap bracelets, pog's, and
backpack purses. As we look back at the products
invented in the last 25 years, we wonder what type
of new products we will invented in the next 25
years. Of all the...
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Mathematical Analysis B C
1,141 words
Before the time of recorded history, prehistoric
people learned to count such things as the animals
in their herds and flocks. They probably first
used their fingers or pebbles to help keep track
of small numbers. They learned to use the length
of their hands and arms and other standards of
measure. And they learned to use regular shapes
when they molded pottery and chipped stone
arrowheads. Since the prehistoric times,
mathematics has come a long way. In this essay, I
will try to sum up the dev...
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Eric Clapton Electric Guitar
1,177 words
The History of Guitar By Four hundred years ago
the guitar was invented. Since then, guitar has
been a great innovative instrument. It serves as
the heart of a song, or sound. From Jazz, and
Blues, to Heavy Metal, and punk music guitar has
been perhaps the biggest factor in modern music.
Between acoustic guitar, and electric guitar there
is a lot of history. When guitar was first
invented, it looked nothing like the guitars that
we know. The first guitars were lutes. Lutes
evolved into vihuelas,...
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Academy Of Sciences Light Bulb
1,424 words
Illuminating the Path of Progress Thomas Alva
Edison is the most famous inventor in American
History. Edison designed, built, and delivered the
electrical age. He started a revolution that would
refocus technology, change life patterns, and
create millions of jobs. He became famous for his
scientific inventions, even though he was not a
scientist. His real talent was his ability to
clearly judge a problem and be persistent in
experimenting. He was the master of the trial and
error method. Thomas...
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Solid State Lasers Funk And Wagnalls
1,294 words
people see Lasers When most people see a laser
beam they are amazed by its unique physical
properties. Laser light is so unique from other
light because it is coherent; unlike ordinary
light, which travels in all directions, laser
light travels in a straight beam. The word laser
is an acronym for Light Amplification by
Stimulated Emission of Radiation. The history of
the laser is very interesting. Lasers have changed
immensely since they were first invented. Before
the laser was invented, Charle...
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Leonardo Da Vinci Ahead Of His Time
956 words
Leonardo da Vinci was born on April 15, 1452 in
Florence, Italy. Ever since birth he was in love
with the study of science and art. Leonardo da
Vinci did not only influence his culture with his
art work, but with his numerous inventions and his
study on the human body. Leonardo was a determined
man who changed his culture by going against his
society and following his dreams. By following his
dreams he did what no man had ever done before.
Leonardo introduced a new style of painting and
sculptin...
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Forces Of Nature Dark Ages
4,449 words
The education of the Greeks exhibits a progressive
development. The ideal of Athenian education was
the completely developed man. Beauty of mind and
body, the cultivation of every inborn faculty and
energy, harmony between thought and life, decorum,
temperance, and regularity such were the results
aimed at in the home and in the school, in social
intercourse, and in civic relations. We are lovers
of the beautiful, said Pericles, yet simple in our
tastes, and we cultivate the mind without loss
of...
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Leslie Marmon Native Americans
1,840 words
Racial Unity Through Ceremony Over the years,
after wars and famine, peace-time and floods, few
things have persisted to survive. Society, art,
and other intangible objects as these are
survivors of two millennia of human progress.
Intelligent concepts and premises have also
survived, as have emotions and morals. Even as
these outstanding examples of humanity have
survived, so have some less affirmative ideals
lived on through our fore-bearers. Cultural,
ideological, religious, and political sup...
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Lead Acid Battery Positive And Negative
1,037 words
Batteries and Their Importance- We use batteries
everyday, we use them to start our cars and to
listen to our Walkmans. I have a few questions:
How do batteries work? What are the different
kinds of batteries? Why do they die? Why do they
lose energy when they are not used for a long
time? Well I tried my best to find the best
answers for these questions and a little more.
Battery, also called an electric cell, is a device
that converts chemical energy into electricity.
All batteries contain an ...
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