D e B T i s S l a V 3 r Y S T u P i D
DuBi0uSlY EnDoWs YoU WiTh
Cosmos.A.Spacetime.Odyssey.S01E05.1080p.BluRay.x264-DeBTViD
DVD.DATE.. 10 June 2014
RLS.DATE.. today
GENRE..... Documentary
LANG...... English
ViDEO..... 1920x1080
BiTRATE... 8671kb/s
FPS....... 23.976fps
ASPECT.... 16:9
AUDiO..... 1509kb/s 5.1 DTS
DURATiON.. 46m3s
SOURCE.... R1 BD
SIZE...... 71x50mb
SUBS...... English
IMDB: http://www.imdb.com/title/tt2395695/
RELEASE NOTES
This episode explores the wave theory of light as
studied by mankind, noting that light has played
an important role in scientific progress, with
such early experiments from over 2000 years ago
involving the camera obscura by the Chinese
philosopher Mozi. Tyson describes the work of the
11th century Arabic scientist Ibn al-Haytham,
considered to be one of the first to postulate on
the nature of light and optics leading to the
concept of the telescope, as well as one of the
first researchers to use the scientific method.
Tyson proceeds to discuss the nature of light as
discovered by mankind. Work by Isaac Newton using
dispersion through prisms demonstrated that light
was composed of the visible spectrum, while
findings of William Herschel in the 19th century
showed that light also consisted of infrared rays.
Joseph von Fraunhofer would later come to discover
that by magnifying the spectrum of visible light,
gaps in the spectrum would be observed. These
Fraunhofer lines would later be determined to be
caused by the absorption of light by electrons in
moving between atomic orbitals (in the show
illustrated by the Bohr model) when it passed
through atoms, with each atom having a
characteristic signature due to the quantum nature
of these orbitals. This since has led to the core
of astronomical spectroscopy, allowing astronomers
to make observations about the composition of
stars, planets, and other stellar features through
the spectral lines, as well as observing the
motion and expansion of the universe, and the
existence of dark matter.
QUOTES
"First learn the meaning of what you say, and then
speak."
-Epictetus
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