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Johnathan Fletcher

Ultrafast quantum computer closer: Ten billion bits of entanglement achieved in silicon - 0 views

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    "Scientists from Oxford University have made a significant step towards an ultrafast quantum computer by successfully generating 10 billion bits of quantum entanglement in silicon for the first time -- entanglement is the key ingredient that promises to make quantum computers far more powerful than conventional computing devices."
Johnathan Fletcher

BBC NEWS | Science & Environment | Quantum computer slips onto chips - 0 views

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    Researchers have devised a penny-sized silicon chip that uses photons to run Shor's algorithm - a well-known quantum approach - to solve a maths problem. The algorithm computes the two numbers that multiply together to form a given figure, and has until now required laboratory-sized optical computers. This kind of factoring is the basis for a wide variety of encryption schemes.
Johnathan Fletcher

YouTube - Bill Nye - Greatest Discoveries - 8: Physics - 0 views

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    Bill Nye and the Discovery Channel give you the greatest discoveries in physics. Nye explores how the universe operates and why things move and work the way they do. He also explains the second law of thermodynamics, electromagnetism, and how superconductors can help accelerate particles to near the speed of light. He illustrates Albert Einstein's theory that clocks tick slower at the speed of light and even on an airplane, and discusses how E=MC2 helped develop nuclear power, the quantum leap, the power of electromagnetic energy, the structure of an atom, and the subatomic particles known as quarks.
Johnathan Fletcher

Large Hadron Collider - How does it work? - 0 views

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    Informative video on the world's largest physics experiment.
Johnathan Fletcher

BBC News - Faster-than-light neutrino result queried - 0 views

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    "Now a different team at the same lab reports findings that, they say, cast doubt on that surprising result. The Icarus team at the Icarus experiment says that because the neutrinos sent from Cern do not appear to lose energy on their journey, they must not have exceeded the speed of light along the way."
Johnathan Fletcher

YouTube - Quantum Mechanics The Uncertainty Principle Light Particle's - 0 views

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    Single photons are the smallest quantities of light and, despite having no mass, have many properties in common with particles. In fact, physicists often think of photons as particles -- particles that sometimes behave like waves. Physicists sometimes describe all particles as waves -- even those with mass, such as electrons and protons -- in order to better understand certain aspects of their behavior.
Johnathan Fletcher

BBC News - LHC results put supersymmetry theory 'on the spot' - 0 views

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    "Researchers failed to find evidence of so-called "supersymmetric" particles, which many physicists had hoped would plug holes in the current theory. Theorists working in the field have told BBC News that they may have to come up with a completely new idea. Data were presented at the Lepton Photon science meeting in Mumbai."
Johnathan Fletcher

Large Hadron Collider ready to restart - The Big Picture - Boston.com - 0 views

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    "The European Organization for Nuclear Research (CERN) says it expects to restart the Large Hadron Collider (LHC) by this weekend after more than a year of repairs."
Johnathan Fletcher

Is space like a chessboard? - 0 views

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    "While studying graphene's electronic properties, professor Chris Regan and graduate student Matthew Mecklenburg found that a particle can acquire spin by living in a space with two types of positions -- dark tiles and light tiles. The particle seems to spin if the tiles are so close together that their separation cannot be detected. "An electron's spin might arise because space at very small distances is not smooth, but rather segmented, like a chessboard," Regan said."
Johnathan Fletcher

HyperPhysics - 0 views

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    HyperPhysics is an exploration environment for concepts in physics which employs concept maps and other linking strategies to facilitate smooth navigation. For the most part, it is laid out in small segments or "cards", true to its original development in HyperCard. The entire environment is interconnected with thousands of links, reminiscent of a neural network.
Johnathan Fletcher

BBC News - Antimatter atom trapped for first time, say scientists - 0 views

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    "The team proved that among their 10 million antiprotons and 700 million positrons, 38 stable atoms of antihydrogen were formed, lasting about two tenths of a second each."
Johnathan Fletcher

YouTube - Atom HQ - BBC - 0 views

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    In this three-part documentary series, Professor Jim Al-Khalili tells the story of one of the greatest scientific discoveries ever: that the material world is made up of atoms.
Johnathan Fletcher

BBC News - New method 'confirms dark energy' - 0 views

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    "First results from a major astronomical survey using a cutting-edge technique appear to have confirmed the existence of mysterious dark energy."
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