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Visualizing the Symmetries of the 4 Forces of Nature Posted by: sweetser
Video duration: 540 seconds The four known forces of Nature, electromagnetism, weak forces, strong force, and gravity, are associated with 4 symmetry groups. The software for analytical animations of quaternions generates pictures of all of these symmetries, which looks like an expanding then contracting tennis ball. Related: animation, electromagnetism, electroweak, em, model, quaternions, standard, strong, visualization, weak |
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The Stand-Up Physicist: Why Quantum Mechanics is Weird Posted by: sweetser
Video duration: 1587 seconds Part of the Stand-Up Physicist series, half hour chats by Doug Sweetser about his theoretical physics research. This show tries to explain why quantum mechanics has to be the way it is, due to a new definition of the calculus of 4D events in spacetime. Pictures are provided. Related: education, entertainment, mechanics, physics, quantum, theoretical |
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Geometry + 4-Potentials = Unified Field Theory Posted by: sweetser
Video duration: 1043 seconds This is a talk I will be presenting at the 2007 April APS Meeting in Jacksonville, Florida. My GEM (gravity and EM) proposal is the spot between Newton's scalar gravity theory and Einstein's rank 2 field equations. Related: aps, gem, lecture, physics, sweetser, theoretical |
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4 Simple Improvements in 4D Math = Unified Theory Posted by: sweetser
Video duration: 1270 seconds Real and complex numbers have 4 properties: a robust derivative, the ability to commute, visualization, and many connections to group theory. These properties are developed for 4D in the hope of constructing a unified field theory. This video is a direct pitch to Garrett Lisi who has a unified field theory using E8, the largest exceptional group. Related: field, model, quaternions, standard, theory, uft, unified |
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New Quaternion Math Leads to New Reasons Why Physics Work Posted by: sweetser
Video duration: 2466 seconds This is the talk I will present to the 8th International Conference on Clifford Algebras in Campinas, Brazil. The new two limit quaternion derivative definition has a real directional derivative for classical physics, and the norm of a derivative for quantum mechanics. Related: algebra, clifford, derivative, field, gem, mechanics, model, quantum, quaternions, standard, theory, unified |
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The Stand-Up Physicist: Light, Art & Physics Posted by: sweetser
Video duration: 1673 seconds Part of the Stand-Up Physicist series, half hour chats by Doug Sweetser about his theoretical physics research. This show discusses two original artworks I produced inspired by lessons from physics: "The Speed of Light According to Rene Magritte" and "Groups of Coherent Photons Behave Like Waves and Particles". Related: art, light, magritte, physics, theoretical |
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Analytic Animations: The Cross Product Posted by: sweetser
Video duration: 103 seconds This series of three animations shows the cross product. Although we get to see the cross product of two basis vectors creates a third, the vision is transient because all share the same time, t = 0. The input can be made dynamic which does not alter the cross product. If the order of multiplication is reversed, the cross product is smaller, but still blinks into existence only while t = 0. Related: analytic, animations, cross, product, quaternions |
![Doug and Darra Sweetser\](http://img.youtube.com/vi/3U57J6wVNwo/2.jpg "Doug and Darra Sweetser\") |
Doug and Darra Sweetser's Swing Wedding Posted by: sweetser
Video duration: 3542 seconds On October 21, 2006, Doug Sweetser and Darra Sue Garrison got married by Rev. Elea Kemler in Groton, MA at the First Unitarian Church. The Winiker Swing Orchestra provided the Tunes for our 100 funky friends. A great time was had by all. Related: dance, sweetser, swing, wedding, winiker |
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The Stand-Up Physicist: Unifying Gravity and EM Posted by: sweetser
Video duration: 1579 seconds Part of the Stand-Up Physicist series, half hour chats by Doug Sweetser about his theoretical physics research. This show touches three important puzzles: how to unify gravity and light, how to quantize such a proposal, and a new way to explain how galaxies rotate. Related: electromagnetism, em, gem, gravity, physics, theoretical |
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The Stand-Up Physicist: IAP Lecture 2 of 6 Posted by: sweetser
Video duration: 1716 seconds Part of the Stand-Up Physicist series, half hour chats by Doug Sweetser about his theoretical physics research. This is two of six talks given to a very small audience at MIT during the Independent Activities Period (IAP). The topic covered is Lagrange densities. Related: em, gem, gravity, lagrangians, physics, theoretical |
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The Stand-Up Physicist: Swing Dancing Theory Posted by: sweetser
Video duration: 1447 seconds Part of the Stand-Up Physicist series, half hour chats by Doug Sweetser about his theoretical physics research. In this show Doug does not discuss physics at all, only Swing Dancing, a social activity he still enjoys. Related: dancing, hop, lindy, social, swing |
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The Stand-Up Physicist: Why 4-Potentials Work for Gravity Posted by: sweetser
Video duration: 1643 seconds Part of the Stand-Up Physicist series, half hour chats by Doug Sweetser about his theoretical physics research. In this show, Doug goes over some of the problems that people think a 4-potential theory has, and addresses each one. Even Brittney Spears lends a hand. Related: brittney, field, gravity, physics, potentials, spears, theoretical, theory, unified |
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The Stand-Up Physicist: IAP Lecture 5 of 6 Posted by: sweetser
Video duration: 1558 seconds Part of the Stand-Up Physicist series, half hour chats by Doug Sweetser about his theoretical physics research. This is the fifth of six talks given to a very small audience at MIT during the Independent Activities Period (IAP). The topics covered are a physically relevant solution to the field equations, and forces. Related: em, equations, field, forces, gem, gravity, physics, solutions, theoretical |
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The Stand-Up Physicist: IAP Lecture 4 of 6 Posted by: sweetser
Video duration: 1689 seconds Part of the Stand-Up Physicist series, half hour chats by Doug Sweetser about his theoretical physics research. This is fourth of six talks given to a very small audience at MIT during the Independent Activities Period (IAP). The topics covered are quantization and the standard model. Related: em, gem, gravity, iap, model, physics, quantization, standard, theoretical |
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The Stand-Up Physicist: God Posted by: sweetser
Video duration: 1727 seconds Part of the Stand-Up Physicist series, half hour chats by Doug Sweetser about his theoretical physics research. This show explains Doug's approach to the biggest topic outside of physics there is, God. A brief definition of God will be presented that has been useful to Doug. Related: god, physics |
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The Standard Model and Gravity Symmetries Posted by: sweetser
Video duration: 163 seconds The symmetries of the standard model are here: U(1), SU(2) and SU(3) as quaternion animations (time + 3D). By using spheres of different sizes as a function of local location on a manifold, the work of Diff(M) is on display Related: force, group, model, physics, quaternions, standard, strong, su2, su2, theoretical, weak |
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The Stand-Up Physicist: APS Meeting Talk Posted by: sweetser
Video duration: 1783 seconds Part of the Stand-Up Physicist series, half hour chats by Doug Sweetser about his theoretical physics research. A talk at an American Physical Society is presented, along with talk about giving such talks. Related: aps, gem, gravity, physics, theoretical |
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The Stand-Up Physicist: Flexible Geometry Posted by: sweetser
Video duration: 1512 seconds Part of the Stand-Up Physicist series, half hour chats by Doug Sweetser about his theoretical physics research. This show answers a criticism raised by Prof. John Baez who asserted that the GEM model fixed the background metric. By direct calculation of a static point charge, it is shown that the good professor is wrong because he did not see the change in potential/metric. Related: diffeomorphism, gravity, metric, physics, theoretical |
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The Stand-Up Phycisist: Einstein! Posted by: sweetser
Video duration: 1324 seconds Part of the Stand-Up Physicist series, half hour chats by Doug Sweetser about his theoretical physics research. This show talks all about Einstein, his musical creativity, his hope for a unified field theory, and special relativity. My own efforts and artwork are weaved into the stories told. Related: education, einstein, field, physics, theoretical, unified |
