Linggo, Marso 9, 2014

Individual Project of Regina Uy

Regina Sallee Z. Uy
2013-17819
STS THY – Ernesto Sonido


A Holographic Universe

            Throughout the years, lots of theories on what our universe looks like have been formulated.


                However, recent studies conducted by Hyakutake and his colleagues in Ibaraki University in Japan have strengthened (but not proved) the theory that our universe is only a holographic projection. The holographic principle is a property of the string theory that was first proposed by Gerard ‘t Hooft. The theory states that the universe is a two-dimensional painting on the cosmological horizon and the third dimension that we are able to perceive comes from the holographic projection of the flat version of the universe.

                When I first read the article about the holographic universe, my first thought was: are we real? If we are just holographs from a two-dimensional version of ourselves, what makes us different from the cartoon characters we see on television like Peter Griffin and Homer Simpson? It was really hard for me to digest this information.



Left - Peter Griffin (img src=http://upload.wikimedia.org/wikipedia/en/c/c2/Peter_Griffin.png)Right - Homer Simpson (img src=http://upload.wikimedia.org/wikipedia/en/0/02/Homer_Simpson_2006.png)



                Upon further understanding of the article, I found that the Holographic model of the universe made a lot of sense. At black holes, there exists an inconsistency between Albert Einstein’s theory of gravity and quantum physics. The holographic principle was able to solve this conflict. Juan Maldacena (the one who proposed a model of the universe where the gravity comes from infinitely and vibrating thin strings) and Leonard Susskind (one of the first scientists to propose the holographic principle) were thrilled to know that their theories now have compelling evidence that support them.

A Black Hole (img src=http://upload.wikimedia.org/wikipedia/commons/5/5e/BH_LMC.png)

Sources:
Chow, Dennis, 2011. The Universe Today: What It All Looks Like. Space. http://www.space.com/13377-big-bang-theory-universe-today.html. March 8, 2014

Cowen, Ron, 2013. Simulations back up theory that Universe is a hologram. Nature, Inernational Weekly Journal of Science. http://www.nature.com/news/simulations-back-up-theory-that-universe-is-a-hologram-1.14328. March 6, 2014

Siegel, Ethan, 2014. What Does the Universe Look Like Beyond Our Galaxy?. Starts With a Bang. https://medium.com/starts-with-a-bang/c4da4b1a0ef1. March 8, 2014


Susskind, Leonard (1995). "The World as a Hologram". Journal of Mathematical Physics 36 (11): 6377–6396. arXiv:hep-th/9409089.Bibcode:1995JMP....36.6377Sdoi:10.1063/1.531249. March 9, 2014

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