Category Archives: Dirac


Don Lincoln Explains Antimatter | NOVA’s Nature of Realitybrought to you by Livescribe See: Antimatter 101 Don Lincoln Explains Antimatter | NOVA’s Nature of Realitybrought to you by Livescribe Dialogos of Eide

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Word Picture

 Undoubtedly we have no questions to ask which are unanswerable . We must trust the perfection of the creation so far, as to believe that whatever curiosity the order of things has awakened in our minds, the order of things … Continue reading

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The Universe, as an Expression of the Geometry

A new movie from NASA’s Chandra X-ray Observatory shows a sequence of Chandra images of the Crab Nebula, taken over an interval of seven months. Dramatic variations are seen, including the expansion of a ring of X-ray emission around the … Continue reading

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TED Talk-Leonard Susskind: My friend Richard Feynman

I decided when I was asked to do this that what I really wanted to talk about was my friend Richard Feynman. I was one of the fortunate few that really did get to know him and enjoyed his presence. … Continue reading

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What the "i" represents, is Natural?

A Conformal Diagram of a Minkowski SpacetimeJohn D. Norton First, here is the conformal diagram of a Minkowski spacetime. This is the complete spacetime. It includes all of the infinity of space and the infinity of time through which things … Continue reading

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The Cross Over Point and Time Travel

One of the issues that is evoked by any faster-than-light transport is time paradoxes: causality violations and implications of time travel. As if the faster than light issue wasn’t tough enough, it is possible to construct elaborate scenarios where faster-than-light … Continue reading

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Thoughts on Angel and Demons Plot

“For me, the most attractive way … would be to capture the antihydrogen in a neutral particle trap … The objective would be to then study the properties of a small number of [antihydrogen] atoms confined in the neutral trap … Continue reading

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Richard Feynman

“The adventure of our science of physics is a perpetual attempt to recognize that the different aspects of nature are really different aspects of the same thing” — Richard Feynman Richard Feynman: Cover of The Feynman Lectures on Physics … Continue reading

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Dennis William Sciama

Dennis William Siahou Sciama FRS (November 18, 1926–December 18, 1999) was a British physicist who, through his own work and that of his students, played a major role in developing British physics after the Second World War. Sciama also strongly … Continue reading

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Newton’s Space was the Sensorium

Sir Isaac Newton, FRS (4 January 1643 – 31 March 1727) [OS: 25 December 1642 – 20 March 1727] was an English physicist, mathematician, astronomer, alchemist, and natural philosopher who is generally regarded as one of the greatest scientists and … Continue reading

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