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and the motions of the Heliocentrism

The impact of the Heliocentric Theory Heliocentric: Relating to the sun as a
center; appearing as if seen from the sun's center.(Webster,447) The
heliocentric theory was first introduced to the world by a Polish astronomer
named Nicolaus Copernicus. Copernicus published his views on the heliocentric
theory in his book Commentariolus, in 1514, which sparked the time period now
known as the Copernican Revolution. Heliocentrism was proven true by the
discoveries of Galileo, Kepler, and Newton; through their efforts to prove the
validity of the heliocentric theory people began to find truth in science
through experimentation rather than religion with no proof. Many scientists went
through great ordeals for their scientific beliefs, thus making the heliocentric
theory the most electrifying idea in human history. Ancient people's believed in
Gods and deities for causes to nature and the unexplained. Once the fourth
century BC rolled around, people began to see "astronomical phenomena"
as "natural compound products of simple operations repeated in
perpetuity" rather than the actions of Gods. (Morphet, p.6) Greeks did not
revere celestial bodies very strongly in their religion, despite having deities
for the Sun and Moon. (North, p.78) Different peoples beliefs varied greatly in
ancient times. Different countries progressed in thought at different speeds.
During the Renaissance, many began to "toss aside medieval preoccupations
with supernatural forces and turned to secular concerns" like fame. (Yamasaki,
p.50) With the "Age of Discovery," people began to think for
themselves and ponder truths through philosophy, science, astronomy, astrology,
etc. Philosophers' minds began to turn, the human mind was finally awake. Plato,
a famous Greek philosopher, believed stars were Gods that the creator gave life
to. This view was very influential and proved to be sort of a religion for
intellectual idealists, no longer for the populace. At the time, the thought of
heavenly bodies being divine, and stars being eternal objects in unchanging
motion were common knowledge. Thinking otherwise was considered Atheistic.
(North, p.78) Fellow famous Renaissance man, and Plato's pupil, Aristotle, was
also a very important figure. Born in Stagira in 384, Aristotle is regarded as
the most influential ancient philosopher of the sciences. Aristotle refined
Callippus' geometrical and spherical concepts, and developed the geocentric
theory, which was believed for two thousand years. (North, p.80) Aristotle
believed that the sphere is the most perfect figure because when rotated to any
diameter it occupies the same space; and that circular motions are a sign of
perfection, which is why Heaven is considered divine. The spherical nature of
the Earth and Universe according to Aristotle, is the natural movement of
Earthly matter from all places downwards, to a center, around which a sphere of
matter will build up. "Only circular motion is capable of endless
repetition without a reversal of direction, and rotary motion is prior to linear
because what is external, or at least could have always existed, is prior, or at
least potentially prior, to what is not." In Aristotle's book De Caelo (On
the Heavens), he speaks of the celestial sphere, the Earth's center being the
same shape, and dismissing the idea of the Earth rotating at the center of the
universe. He also dismisses the idea of an orbital motion of the Earth. (North,
p.81) Contradicting Aristotle, Heracleides, an astronomer, believed in the
rotation of the Earth on it's axis and is known to be the earliest astronomer to
stand by it. He was thought to have taken the first step in "Copernicanism."
It is believed in the years to follow that Copernicus was said to have mentioned
Heracleides' name in this connection. (North, p.85) Aristarchus of Samos was the
first astronomer to clearly put forth a true sun-centered theory, learned from
Archimedes. (North, p.85) "...Aristarchus' hypotheses are that the fixed
stars and the Sun are stationary, that the Earth is carried in a circular orbit
around the Sun, which lies in the middle of it's orbit, and that the spheres of
fixed stars, having the same center as the Sun, is so great in extent that the
circle on which the Earth is supposedly carried is in the same ratio to the
distance of the sphere has to its surface." (North, p.85-6) If Aristarchus
did believe in heliocentrism, he still could not prove the differences in the
Earth's motion and seasons, which explains its failure to be accepted. (North,
p.86-7) Although scientists such as Eudoxus, Callippus, and Aristotle all came
up with Earth-centered systems based by providing a center for all motions,
Ptolemy was triumphant for he was able to explain sphere sizes and achieved a
single system, which was not ... more

and the motions of the

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Telecommunications Advances

Today, telecommunications technology affects lives to a greater degree than ever
before. Communication has evolved over many years from the earliest attempts at
verbal communication to the use of sophisticated technology to enhance the
ability to communicate effectively with others. Every time a telephone call is
made, a television is watched, or a personal computer is used, benefits of
telecommunication technologies are being received. The concept of
telecommunications may be defined as the transmission of information from one
location to another by electronic means. Telecommunications is using electronic
systems to communicate. Life is changing constantly and has been changing faster
since the rapid advancements in telecommunication. Because of continuing
attempts to find better and more efficient ways to communicate, the process of
communication has steadily improved. Many of these improvements were made
without the use of electronic technology. Human beings earliest attempts at
communication were through nonverbal means such as facial expressions and
gesturing. The use of these nonverbal signs, prehistoric people were able to
communicate emotions such as fear, anger, and happiness. More specific motions,
such as pointing, allowed them to convey more information . Verbal communication
probably started with a series of disorganized but meaningful sounds (grunts and
snarls). These sounds slowly developed into a system of organized, spoken
language that truly allowed humans to share information (Croal 59). Writing,
which is the use of symbols to represent language, began with early cave
drawings, progressed to picture writings such as hieroglyphics, and finally
evolved into the handwritten language we use today (Croal 61). As civilization
developed, people found it necessary to communicate their ideas to one another
over greater distances. The earliest method of transporting information was to
carry it from place to place; but as the development of commerce made speed an
essential part, greater effort was expended to increase the rate at which ideas
were transmitted (Croal62). The search for rapid transport of information led to
the formation of the pony express in 1860 (Cozic 77). Although the pony express
required several weeks to carry mail from the East Coast to the West Coast, it
was a vast improvement over the earlier methods. The pony express was not the
only time humans teamed up with animals to attempt to improve communications.
Dogs and pigeons were used to carry messages, especially during wartime . Most,
if not all, of the early forms of communication had two significant problems.
Both the speed at which information could be effectively communicated and the
distance over which information could be sent were severely limited. With the
advancements in forms of electronic communication, these problems were solved.
It was even before the pony express that a true technological breakthrough was
made. In 1844, the first electronic transmission occurred when Samuel Morse
developed a system of dots and dashes to symbolize letters of the alphabet. A
transmission device called the telegraph was used to send the coded signals over
wires. The telegraph was to become the primary method of reliable and rapid
communication during the American Civil War . It took quite a few years to link
the major cities of America by telegraph wires, but by 1861 the pony express was
replaced . Telegraphic communication became a major part of Americas business
and military history. One of the early telegraph companies, Western Union,
became the dominant carrier. Today, Western Union, through the use of modern
technology, transmits information twenty-four hours a day, seven days a week.
Actual voice communication over distance finally became possible in 1876 when
Alexander Graham Bell held the first telephone conversation with his assistant,
Thomas Watson . This alternative to written communication rapidly helped the
telephone become the worlds most important communication tool. By 1866 the
first successful attempt to link Europe and America by undersea cable had been
accomplished. This cable was capable of carrying telegraph data only . The
telephone today remains a vital tool, and like the telegraph, the telephone is
constantly being improved by modern technology . By 1900, the goal of
communication technologists was to find a method of transmitting messages over
long distances without the need for wires. That dream became reality in 1901
when Gugliellmo Marconi and two assistants stood on a hill in Newfoundland and
listened carefully to their receiver. Faintly they heard the Morse code
dot-dot-dot, the letter s. the signal had traveled 1,700 miles from
Cornwall, England, and it represented the first successful wireless
transmission. This success led Marconi to form Marconi Wireless Telegraphy
Company. It was not until the Titanic disaster in 1912, however, that wireless
transmissions became commercially profitable. As ... more

and the motions of the

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