More info: www.bbc.co.uk Playlist: www.youtube.com Radio 4 joins CERN on 10 September 2008 as scientists attempt to discover more about the origins of the Universe by recreating the aftermath of the Big Bang. Here’s Brian Cox on particle collisions and journeys into the unknown.

Quran and Science part 2

A film about Dark Matter – Dr Tara Shears explains why scientists think that most of the mass in the universe is made up of something we can’t see and how a new experiment called the Large Hadron Collider might finally tell us exactly what this “Dark Matter” is. To learn more visit www.labreporter.com

The most important images ever taken by Hubble space telescope. Beyond our universal Big Bang Little is known about the earliest moments of the Universe’s history. The Penrose-Hawking singularity theorems require the existence of a singularity at the beginning of cosmic time. However these theorems assume that general relativity is correct, but general relativity must break down before the Universe reaches the Planck temperature – 1,416785(71) 10^32K -, and a correct treatment of quantum gravity may avoid the singularity. Some proposals, each of which entails untested hypotheses are: * models including the Hartle-Hawking no-boundary condition in which the whole space and time is finite, the Big Bang does represent the limit of time, but without the need for a singularity. * brane cosmology in which the inflation is due to a movement of branes in string theory, the pre-Big Bang image; the ekpyrotic model, in which the Big Bang is the result of a collision between branes; and the cyclic model, a variant of the ekpyrotic model in which collisions occur periodically. In the later model, the Big Bang was preceded by a Big Crunch and the Universe endlessly cycles from one process to the other. The ekpyrotic model came out pf work by Neil Turok and Paul Steinhardt and maintains that the Universe did not start in a singularity, but came out from a collision of two branes (a spatially extended mathematical concept that appears in string theory and its relatives that exists in a …

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LHC /CERN : histoire de l’accélérateur de particules – Annecy – Imaginé dès les années 1980, cet accélérateur à fini par être opérationnel le 10 septembre 2008. Son but est de recréer les conditions qu’il y avait juste après le BigBang. (Pour obtenir les droits d’exploitation commerciale de cette vidéo, veuillez contacter contact@wizdeo.com)

An inside look at the LHC