martes, 18 de noviembre de 2014
miércoles, 12 de noviembre de 2014
 Astronomy -
Mathematics – 
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Computer modelling draws link between medieval Bishop's theories and today's
concept of multiple universes - A 13 th Century Bishop's theory about the evolution of the Universe has been shown to
have parallels with modern ideas of multiple universes, according to research
from Durham University.
The
Ordered Universe Project, which brings together physicists, psychologists,
cosmologists, Latin experts and medieval historians, has been studying the
texts of Robert Grosseteste, one-time Bishop of Lincoln.
The
Durham-led team created a fresh Latin translation, aided by other experts
with knowledge of the medieval mindset and its context,
before applying modern mathematical and computational
techniques to Grosseteste’s equations.
Their
latest research paper, published today in the Royal Society Journal,
Proceedings of the Royal Society A, is entitled "A medieval multiverse?:
Mathematical modelling of the thirteenth century universe of Robert Grosseteste".
Grosseteste’s
treatise De Luce (meaning "Concerning Light"), written in 1225,
describes a Universe created via a Big Bang-like explosion of light before forming into a series of nine
celestial spheres.
Dr
Giles Gasper, the Ordered Universe Project’s Principal
Investigator and Associate Director of Durham University’s Institute of Medieval and Early Modern Studies , said:
"De Luce is the earliest known attempt to describe
the Universe using a coherent set of physical laws, centuries before Sir
Isaac Newton.
It
proposes that the same physics of light and matter, which explain the
solidity of ordinary objects, could be applied to the cosmos as a whole. In doing so it also suggests, although
this was probably not apparent to Grosseteste at the time, a series of
ordered universes reminiscent of the modern "multiverse" concept.
"Grosseteste’s
calculations are very consistent and precise.
Had he had access to modern calculus and computing methods, he surely would
have used them, so that is what the team has done."
Computer models were used to express Grosseteste’s equations and they created
a series of celestial spheres as Grosseteste envisaged. Other models
maintaining the same physical laws created universes with an infinite number of spheres.
Professor Richard Bower, from Durham University’s Institute
for Computational Cosmology and lead author of the research paper, said:
"By
applying modern computational power to Grosseteste’s incredibly consistent
work, it appears we had come across a ’medieval multiverse’ implicit within
it.
"We
now know of course, thanks to the astronomical advances of the last four
centuries, that a cosmos consisting of nine spheres centred on the Earth is
not correct. But when Grosseteste wrote De Luce, it was the most elegant and
simple theory consistent with then-current knowledge. It shows us that
the fundamental human desire to understand the workings of nature is very
old.
"It’s
fantastic that this has coincided with results from the BICEP 2 project which
has uncovered new evidence from the Cosmic Microwave Background to support a
Big Bang theory for the origin of the Universe."
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http://www.myscience.org.uk/news/2014/computer_modelling_draws_link_between
medieval_bishop_theories_and_today_concept_
multiple_univers-2014-durham
profesora: Virginia Yaquelin Nuñez Hernández
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CONTENIDO TEMATICO DE LA UNIDAD
PROFR. NEPTALI VALDEZ MEDINA
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