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Galileo
This nOde last updated September 5th, 2003 and is permanently morphing...
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Galileo
Galileo, (Galileo Galilei), 1564-1642,
Italian astronomer, mathematician, and physicist. At the age of 19 he discovered
the principle of isochronism-that each oscillation
of a pendulum takes the same time despite changes in amplitude. Soon thereafter
he became known for his invention of a hydrostatic balance and his treatise
on the center of gravity of falling bodies. He found experimentally that bodies
do not fall with velocities proportional to their weights, a conclusion received
with hostility because it contradicted the accepted teaching of ARISTOTLE. Galileo
discovered that the path of a projectile is a parabola, and he is credited with
anticipating Isaac
NEWTON's laws of motion. In 1609 he constructed the first astronomical telescope,
which he used to discover the four largest satellites of Jupiter
and the stellar composition of the Milky
Way, and in 1632 he published his Dialogue Concerning the Two Chief World
Systems, a work that upheld the COPERNICAN SYSTEM rather than the PTOLEMAIC
SYSTEM and marked a turning point in scientific and philosophical thought. Brought
(1633) before the INQUISITION in Rome, he was made to renounce all his beliefs
and writings supporting the Copernican theory. His last book, Dialogues Concerning
Two New Sciences (1638), contains most of his contributions to physics.
In 1638, Galileo in his _Discourses
Concerning Two New Sciences_, associated pitch with vibrational frequency
and asserted the existence of "sympathetic vibrations or resonance";
in other words, the vibrations of one body can produce similar vibrations in
another distant body.
Anomalog:
Beastie
Boys off of _Paul's Boutique
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