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Brian Cox – Big Bang Day – BBC Radio 4

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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.

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Fission And Fusion

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Science & Reason on Facebook: tinyurl.com Physics (Chapter 1): Fission And Fusion. — Subscribe to Science & Reason: • www.YouTube.com • www.YouTube.com • www.YouTube.com • www.YouTube.com — Consider the earth and a rocket ship which are bound together by gravity. If it takes work or energy to pull them apart, then the binding energy is the amount of energy it takes to completely separate them. Similarly the binding energy in a nucleus is the amount of energy it takes to completely separate the protons and neutrons, (collectively called nucleons.) There are two forces acting inside the nucleus of atoms. The nuclear force — a residuum of the strong force that holds quarks together — is pulling the neutrons and protons together — and the electric charge on the protons is pushing them apart. The strong force is a lot stronger than the electric force at short ranges up to two and a half times the proton diameter, but at larger distances the electric force dominates. This increase in binding energy continues until we get to iron and nickel where the nucleus has about 60 nucleons in it. At this point, the nucleus has a radius more than two and a half nucleons wide, which you remember is the range at which the repulsive ElectroMagnetic Force begins to dominate.. . So as we add nucleons past this point the electric force trying to tear the nucleus apart starts winning and each added nucleon is a little less-tightly bound. — The Cassiopeia Project is an effort to make high

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The Mystery of the Missing Mass

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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

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THE HIGGS FIELD

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This is a premature celebration of the upcoming discovery of the Higgs Boson, at CERN. The music is written and created by Don Garbutt, with a nod to Gordon Kane, for his inspirational book “Supersymmetry”. All sounds were created on the ARP 2600 analog synthesizer, with performance help from the interactive software program “M” by Cycling ’74. Individual tracks were imaged in 3-D sound with “Protron” software by Crystal River Engineering. Headphones are recommended for the full immersion effect. Vocalizations were performed on keyboard using the Roland VariOS instrument. Thanks to Leif Baker for his “Science News Guy” announcement and his enthusiasm.

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LHC au CERN : Succès de l’accélérateur de particules – Saint-Julien en Genevois – Mercredi 10 septembre, a été utilisé pour la première fois le nouvelle accélérateur de particules développé par le CERN.Pari gagné puisque sont utilisation s’est passé sans incident d’aucune nature. Un pas de géant dans le domaine de la physique des particules. (Pour obtenir les droits d’exploitation commerciale de cette vidéo, veuillez contacter contact@wizdeo.com)

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Dr Brian Cox on Faking the Moon Landings

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Dr Brian Cox on faking the Apollo Moon Landings

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think back to when you saw your first magic trick and how amazing it was until you found out how the trick was done !

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The Invisible Beauty

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For the Beauty that cannot be seen, For the honor of those whose shoulders we stand on, For the hope of those we aspire to become, And for the inspiration of those who will surpass our achievements. Music, beginning Omnibus End Music, Miles

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Heavy Ion Collision Event Animation

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Early heavy ion events in first heavy-ion fill with stable beam collisions seen in the ATLAS Experiment, 8 November 2010.

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Dr Brian Cox – Gravity Roadtrip

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Dr Brian Cox heads out on a roadtrip across the USA to find the truth about gravity

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