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Cosmos.A.Spacetime.Odyssey.S01E10.1080p.BluRay.x264-DeBTViD
DVD.DATE.. 10 June 2014
RLS.DATE.. today
GENRE..... Documentary
LANG...... English
ViDEO..... 1920x1080
BiTRATE... 9499kb/s
FPS....... 23.976fps
ASPECT.... 16:9
AUDiO..... 1509kb/s 5.1 DTS
DURATiON.. 42m35s
SOURCE.... R1 BD
SIZE...... 71x50mb
SUBS...... English
IMDB: http://www.imdb.com/title/tt2395695/
RELEASE NOTES
This episode provides an overview of the nature of
electromagnetism, as discovered through the work
of Michael Faraday. Tyson explains how the idea of
another force of nature, similar to gravitational
forces, had been postulated by Isaac Newton
before. Tyson continues on Faraday, coming from
poor beginnings, would end up becoming interested
in studying electricity after reading books and
seeing lectures by Humphry Davy at the Royal
Institution. Davy would hire Faraday after seeing
extensive notes he had taken to act as his
secretary and lab assistant.
After Davy and chemist William Hyde Wollaston
unsuccessfully tried to build on Hans Christian
rsted's discovery of the electromagnetic
phenomena to harness the ability to create motion
from electricity, Faraday was able to create his
own device to create the first electric motor by
applying electricity aligned along a magnet. Davy,
bitter over Faraday's breakthrough, put Faraday on
the task of improving the quality of high-quality
optical glass, preventing Faraday from continuing
his research. Faraday, undeterred, continued to
work in the Royal Institution, and created the
Christmas Lectures designed to teach science to
children. Following Davy's death, Faraday returned
to full time efforts studying electromagnetism,
creating the first electrical generator by
inserting a magnet in a coil of wires.
Tyson continues to note that despite losing some
of his mental capacity, Faraday concluded that
electricity and magnetism were connected by unseen
fields, and postulated that light may also be tied
to these forces. Using a sample of the optical
glass that Davy had him make, Faraday discovered
that an applied magnetic field could affect the
polarization of light passing through the glass
sample (a dielectric material), leading to what is
called the Faraday effect and connecting these
three forces. Faraday postulated that these fields
existed across the planet, which would later be
called Earth's magnetic field generated by the
rotating molten iron inner core, as well as the
phenomena that caused the planets to rotate around
the sun. Faraday's work was initially rejected by
the scientific community due to his lack of
mathematical support, but James Clerk Maxwell
would later come to rework Faraday's theories into
the Maxwell's equations that validated Faraday's
theories. Their combined efforts created the basis
of science that drives the principles of modern
communications today.
QUOTES
"To be in love Is to touch with a lighter hand. In
yourself you stretch, you are well."
-Gwendolyn Brooks
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