**https://fr.wikipedia.org/wiki/Physique_quantique**

Not Even Wrong Graham Farmelo has posted a very interesting interview he did with Witten last year, as part of his promotion of his forthcoming book The Universe Speaks in Numbers. One surprising thing I learned from the interview is that Witten learned Calculus when he was 11 (this would have been 1962). He quite liked that, but then lost interest in math for many years, since no one gave him more advanced material to study. After years of studying non math/physics subjects and doing things like working on the 1972 McGovern campaign, he finally realized physics and math were where his talents lay. He ended up doing a Ph.D. at Princeton with David Gross, starting work with him just months after the huge breakthrough of asymptotic freedom, which put in place the final main piece of the Standard Model.

What is quantum superposition Quantum matter can be difficult to study. While physicists have come a long way in the research of this microscopic science, some things are still a mystery because quantum matter can behave so erratically. Einstein's theory of relativity and various other laws of physics tend to fall apart at the subatomic level of quantum physics, because photons -- or tiny particles of light -- seem to change form randomly, and possibly change simply in observation.

ZEITGEIST THE MOVIE REMASTERED : Peter Joseph <div style="padding:5px; font-size:80%; width:300px; background-color:white; margin-left:auto; margin-right:auto; border:1px dashed gray;"> Internet Archive's<!--'--> in-browser video player requires JavaScript to be enabled. It appears your browser does not have it turned on. Please see your browser settings for this feature. Quantum cryptography Quantum cryptography uses our current knowledge of physics to develop a cryptosystem that is not able to be defeated - that is, one that is completely secure against being compromised without knowledge of the sender or the receiver of the messages. The word quantum itself refers to the most fundamental behavior of the smallest particles of matter and energy: quantum theory explains everything that exists and nothing can be in violation of it. Quantum cryptography is different from traditional cryptographic systems in that it relies more on physics, rather than mathematics, as a key aspect of its security model. Essentially, quantum cryptography is based on the usage of individual particles/waves of light (photon) and their intrinsic quantum properties to develop an unbreakable cryptosystem - essentially because it is impossible to measure the quantum state of any system without disturbing that system. How It Works in Theory Bob measures some photons correctly and others incorrectly.

Ligne du temps: 800BC-700AD Indian mathematicians are marked in red Other non-Greek mathematicians are marked in blue For the purposes of this diagram, if birth or death dates are not known, we have assigned a life span of 60 years. Scroll the window to see the whole diagram Quantum mechanics Wavefunctions of the electron in a hydrogen atom at different energy levels. Quantum mechanics cannot predict the exact location of a particle in space, only the probability of finding it at different locations.[1] The brighter areas represent a higher probability of finding the electron. Quantum mechanics (QM; also known as quantum physics, quantum theory, the wave mechanical model, or matrix mechanics), including quantum field theory, is a fundamental theory in physics which describes nature at the smallest scales of atoms and subatomic particles.[2] Quantum mechanics gradually arose from theories to explain observations which could not be reconciled with classical physics, such as Max Planck's solution in 1900 to the black-body radiation problem, and from the correspondence between energy and frequency in Albert Einstein's 1905 paper which explained the photoelectric effect. History[edit] In 1838, Michael Faraday discovered cathode rays.

The Awakening - Mécanique quantique du cerveau humain et la conscience «Times End Game Before reading this interesting and potentially life changing blog, it would be a good idea to watch the following short videos at the links provided below; and read the article, third link below, as a prerequisite if one does not understand the double slit experiment or basic quantum physics. Dr. Granville Dharmawardena of the University of Colombo writes that psychologists often speak of the mind and the body as two separate entities for convenience, but most acknowledge that they are intimately entwined. A world first! Success at complete quantum teleportation Furusawa group at the University of Tokyo has succeeded in demonstrating complete quantum teleportation of photonic quantum bits by a hybrid technique for the first time worldwide. In 1997, quantum teleportation of photonic quantum bits was achieved by a research team at Innsbruck University in Austria. However, such quantum teleportation couldn't be used for information processing, because measurement was required after transport, and the transport efficiency was low. So, quantum teleportation was still a long way from practical use in quantum communication and quantum computing. The demonstration of quantum teleportation of photonic quantum bits by Furusawa group shows that transport efficiency can be over 100 times higher than before.

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