41554 blogs · [ { "id": "01a0dcc3-25a1-7223-84a1-3efe2e22d682", "title": "Continuum mechanics (fluid dynamics) notes posted.", "url": "https://peeterjoot.com/2019/02/13/continuum-mechanics-fluid-dynamics-notes-posted/", "published_at": "2019-02-14T01:32:33+00:00" }, { "id": "01a0dcc3-25a1-7223-84a1-3efe2e380fdb", "title": "Updated statistical mechanics notes.", "url": "https://peeterjoot.com/2019/02/13/updated-statistical-mechanics-notes/", "published_at": "2019-02-13T05:31:01+00:00" }, { "id": "01a0dcc3-25a1-7223-84a1-3efe2e622193", "title": "Mathematica notebooks updated, and a bivector addition visualization.", "url": "https://peeterjoot.com/2019/02/10/mathematica-notebooks-updated-and-a-bivector-addition-visualization/", "published_at": "2019-02-11T04:59:36+00:00" }, { "id": "01a0dcc3-25a1-7223-84a1-3efe2f29b3cc", "title": "Small update to old notes for phy450, Relativistic Electrodynamics", "url": "https://peeterjoot.com/2019/02/09/small-update-to-old-notes-for-phy450-relativistic-electrodynamics/", "published_at": "2019-02-10T04:30:33+00:00" }, { "id": "01a0dcc3-25a1-7223-84a1-3efe2f69f686", "title": "Why to study electromagnetism with geometric algebra.", "url": "https://peeterjoot.com/2019/02/03/why-to-study-electromagnetism-with-geometric-algebra/", "published_at": "2019-02-03T18:12:43+00:00" }, { "id": "01a0dcc3-25a1-7223-84a1-3efe2f8e16d6", "title": "My book (Geometric Algebra for Electrical Engineers) now available in paper.", "url": "https://peeterjoot.com/2019/01/29/my-book-geometric-algebra-for-electrical-engineers-now-available-in-paper/", "published_at": "2019-01-29T22:21:28+00:00" }, { "id": "01a0dcc3-25a1-7223-84a1-3efe2fef4602", "title": "Book review: Based on a true story, by Norm Macdonald: 3/5 stars.", "url": "https://peeterjoot.com/2019/01/06/book-review-based-on-a-true-story-by-norm-macdonald-3-5-stars/", "published_at": "2019-01-06T16:12:34+00:00" }, { "id": "01a0dcc3-25a1-7223-84a1-3efe30bcbb35", "title": "Spinor solutions with alternate \\( \\gamma^0 \\) representation.", "url": "https://peeterjoot.com/2019/01/02/spinor-solutions-with-alternate-gamma0-representation/", "published_at": "2019-01-02T17:33:32+00:00" }, { "id": "01a0dcc3-25a1-7223-84a1-3efe317dad71", "title": "Final first draft of complete notes for UofT PHY2403, QFT I .", "url": "https://peeterjoot.com/2018/12/27/final-first-draft-of-complete-notes-for-uoft-phy2403-qft-i/", "published_at": "2018-12-27T15:34:04+00:00" }, { "id": "01a0dcc3-25a1-7223-84a1-3efe321f9bcd", "title": "PHY2403H Quantum Field Theory. Lecture 23: QED and QCD interaction Lagrangian, Feynman propagator and rules for Fermions, hadron pair production, scattering cross section, quark pair production. Taught by Prof. Erich Poppitz", "url": "https://peeterjoot.com/2018/12/26/phy2403h-quantum-field-theory-lecture-23-qed-and-qcd-interaction-lagrangian-feynman-propagator-and-rules-for-fermions-hadron-pair-production-scattering-cross-section-quark-pair-production-tau/", "published_at": "2018-12-27T03:25:47+00:00" }, { "id": "01a0dcc4-7821-71c2-82c4-358381583c5a", "title": "Dirac spinor relations after rest frame boost", "url": "https://peeterjoot.com/2018/12/18/dirac-spinor-relations-after-rest-frame-boost/", "published_at": "2018-12-18T15:56:42+00:00" }, { "id": "01a0dcc4-7821-71c2-82c4-358382182f75", "title": "PHY2403H Quantum Field Theory. Lecture 22: Dirac sea, charges, angular momentum, spin, U(1) symmetries, electrons and positrons. Taught by Prof. Erich Poppitz", "url": "https://peeterjoot.com/2018/12/17/phy2403h-quantum-field-theory-lecture-22-dirac-sea-charges-angular-momentum-spin-u1-symmetries-electrons-and-positrons-taught-by-prof-erich-poppitz/", "published_at": "2018-12-17T14:15:15+00:00" }, { "id": "01a0dcc4-7821-71c2-82c4-3583821e50d9", "title": "Explicit form of the square root of p . sigma.", "url": "https://peeterjoot.com/2018/12/10/explicit-form-of-the-square-root-of-p-sigma/", "published_at": "2018-12-10T19:48:16+00:00" }, { "id": "01a0dcc4-7821-71c2-82c4-358382cf2bde", "title": "Explicit expansion of the Dirac u,v matrices", "url": "https://peeterjoot.com/2018/12/09/explicit-expansion-of-the-dirac-uv-matrices/", "published_at": "2018-12-09T14:43:17+00:00" }, { "id": "01a0dcc4-7821-71c2-82c4-35838388a6d1", "title": "Momentum operator for the Dirac field?", "url": "https://peeterjoot.com/2018/12/08/momentum-operator-for-the-dirac-field/", "published_at": "2018-12-08T15:52:35+00:00" }, { "id": "01a0dcc4-7821-71c2-82c4-358383caca01", "title": "QFT Lecture 23: Part I. Raw notes.", "url": "https://peeterjoot.com/2018/12/05/qft-lecture-23-part-i-raw-notes/", "published_at": "2018-12-06T00:26:36+00:00" }, { "id": "01a0dcc4-7821-71c2-82c4-358384c31c94", "title": "New aggregate collection of notes for PHY2403, QFT I : up to lecture 21.", "url": "https://peeterjoot.com/2018/12/02/new-aggregate-collection-of-notes-for-phy2403-qft-i-up-to-lecture-21/", "published_at": "2018-12-03T00:48:39+00:00" }, { "id": "01a0dcc4-7821-71c2-82c4-3583855b307d", "title": "PHY2403H Quantum Field Theory. Lecture 21, Part II: Dirac Hamiltonian, Hamiltonian eigenvalues, general solution, creation and anhillation operators, Dirac Sea, antielectrons. Taught by Prof. Erich Poppitz", "url": "https://peeterjoot.com/2018/12/01/phy2403h-quantum-field-theory-lecture-21-part-ii-dirac-hamiltonian-hamiltonian-eigenvalues-general-solution-creation-and-anhillation-operators-dirac-sea-antielectrons-taught-by-prof-erich/", "published_at": "2018-12-01T16:52:12+00:00" }, { "id": "01a0dcc4-7821-71c2-82c4-3583862d2fa4", "title": "PHY2403H Quantum Field Theory. Lecture 21, Part I: Dirac equation solutions, orthogonality conditions, direct products. Taught by Prof. Erich Poppitz", "url": "https://peeterjoot.com/2018/11/29/phy2403h-quantum-field-theory-lecture-21-part-i-dirac-equation-solutions-orthogonality-conditions-direct-products-taught-by-prof-erich-poppitz/", "published_at": "2018-11-29T17:49:46+00:00" }, { "id": "01a0dcc4-7821-71c2-82c4-358386dc72c1", "title": "PHY2403H Quantum Field Theory. Lecture 20: Dirac Lagrangian, spinor solutions to the KG equation, Dirac matrices, plane wave solution, helicity. Taught by Prof. Erich Poppitz", "url": "https://peeterjoot.com/2018/11/27/phy2403h-quantum-field-theory-lecture-20-dirac-lagrangian-spinor-solutions-to-the-kg-equation-dirac-matrices-plane-wave-solution-helicity-taught-by-prof-erich-poppitz/", "published_at": "2018-11-27T18:48:27+00:00" }, { "id": "01a0dccf-a687-70c3-bf4e-e3e4bd2d565d", "title": "PHY2403H Quantum Field Theory. Lecture 19: Pauli matrices, Weyl spinors, SL(2,c), Weyl action, Weyl equation, Dirac matrix, Dirac action, Dirac Lagrangian. Taught by Prof. Erich Poppitz", "url": "https://peeterjoot.com/2018/11/24/phy2403h-quantum-field-theory-lecture-19-pauli-matrices-weyl-spinors-sl2c-weyl-action-weyl-equation-dirac-matrix-dirac-action-dirac-lagrangian-taught-by-prof-erich-poppitz/", "published_at": "2018-11-25T01:11:57+00:00" }, { "id": "01a0dccf-a687-70c3-bf4e-e3e4bda3621c", "title": "Reflection using Pauli matrices.", "url": "https://peeterjoot.com/2018/11/22/reflection-using-pauli-matrices/", "published_at": "2018-11-22T17:08:46+00:00" }, { "id": "01a0dccf-a687-70c3-bf4e-e3e4be382d2b", "title": "my course evaluation comments for PHY2403 — Quantum Field Theory I.", "url": "https://peeterjoot.com/2018/11/20/my-course-evaluation-comments-for-phy2403-quantum-field-theory-i/", "published_at": "2018-11-20T14:20:08+00:00" }, { "id": "01a0dccf-a687-70c3-bf4e-e3e4be99b6dc", "title": "New aggregate collection of class notes for phy2403: up to lecture 17.", "url": "https://peeterjoot.com/2018/11/14/new-aggregate-post-of-class-notes-for-phy2403/", "published_at": "2018-11-14T15:18:44+00:00" }, { "id": "01a0dccf-a687-70c3-bf4e-e3e4be9f9a47", "title": "PHY2403H Quantum Field Theory. Lecture 16: Differential cross section, scattering, pair production, transition amplitude, decay rate, S-matrix, connected and amputated diagrams, vacuum fluctuation, symmetry coefficient. Taught by Prof. Erich Poppitz", "url": "https://peeterjoot.com/2018/11/13/phy2403h-quantum-field-theory-lecture-16-differential-cross-section-scattering-pair-production-transition-amplitude-decay-rate-s-matrix-connected-and-amputated-diagrams-vacuum-fluctuation-s/", "published_at": "2018-11-13T14:01:44+00:00" }, { "id": "01a0dccf-a687-70c3-bf4e-e3e4bf653ebe", "title": "PHY2403H Quantum Field Theory. Lecture 17: Scattering, decay, cross sections in a scalar theory. Taught by Prof. Erich Poppitz", "url": "https://peeterjoot.com/2018/11/12/phy2403h-quantum-field-theory-lecture-17-scattering-decay-cross-sections-in-a-scalar-theory-taught-by-prof-erich-poppitz/", "published_at": "2018-11-12T21:49:08+00:00" }, { "id": "01a0dccf-a687-70c3-bf4e-e3e4bfdd465e", "title": "Momentum of scalar field: continued.", "url": "https://peeterjoot.com/2018/11/09/momentum-of-scalar-field-continued/", "published_at": "2018-11-09T14:52:44+00:00" }, { "id": "01a0dccf-a687-70c3-bf4e-e3e4c0279610", "title": "PHY2403: QFT I: Momentum of scalar field: time dependent terms?", "url": "https://peeterjoot.com/2018/11/08/phy2403-qft-i-momentum-of-scalar-field-time-dependent-terms/", "published_at": "2018-11-08T15:00:18+00:00" }, { "id": "01a0dccf-a687-70c3-bf4e-e3e4c03e0a00", "title": "PHY2403H Quantum Field Theory. Lecture 15b: Wick’s theorem, vacuum expectation, Feynman diagrams, phi^4 interaction, tree level diagrams, scattering, cross section, differential cross section. Taught by Prof. Erich Poppitz", "url": "https://peeterjoot.com/2018/11/07/phy2403h-quantum-field-theory-lecture-15b-wicks-theorem-vacuum-expectation-feynman-diagrams-phi4-interaction-tree-level-diagrams-scattering-cross-section-differential-cross-section-taug/", "published_at": "2018-11-08T01:35:37+00:00" }, { "id": "01a0dccf-a687-70c3-bf4e-e3e4c07a3cfe", "title": "An interesting heat fracture", "url": "https://peeterjoot.com/2018/11/05/an-interesting-heat-fracture/", "published_at": "2018-11-05T18:40:57+00:00" }, { "id": "01a0dcd9-8a91-711c-8981-21f3a16882ef", "title": "PHY2403 (QFT I). Pondering the ground state bra formula.", "url": "https://peeterjoot.com/2018/11/05/phy2403-qft-i-pondering-the-ground-state-bra-formula/", "published_at": "2018-11-05T15:01:59+00:00" }, { "id": "01a0dcd9-8a91-711c-8981-21f3a1b41dc6", "title": "Analysis of incorrect problem solution attempt (non-relativistic QFT massive scalar field with quadratic interaction)", "url": "https://peeterjoot.com/2018/11/01/analysis-of-incorrect-problem-solution-attempt-non-relativistic-qft-massive-scalar-field-with-quadratic-interaction/", "published_at": "2018-11-01T17:39:45+00:00" }, { "id": "01a0dcd9-8a91-711c-8981-21f3a22373e0", "title": "PHY2403H Quantum Field Theory. Lecture 15: Perturbation ground state, time evolution operator, time ordered product, interaction. Taught by Prof. Erich Poppitz", "url": "https://peeterjoot.com/2018/10/31/phy2403h-quantum-field-theory-lecture-15-perturbation-ground-state-time-evolution-operator-time-ordered-product-interaction-taught-by-prof-erich-poppitz/", "published_at": "2018-10-31T20:04:38+00:00" }, { "id": "01a0dcd9-8a91-711c-8981-21f3a29d38a8", "title": "PHY2403H Quantum Field Theory. Lecture 14: Time evolution, Hamiltonian perturbation, ground state. Taught by Prof. Erich Poppitz", "url": "https://peeterjoot.com/2018/10/29/phy2403h-quantum-field-theory-lecture-14-time-evolution-hamiltonian-perturbation-ground-state-taught-by-prof-erich-poppitz/", "published_at": "2018-10-29T21:55:13+00:00" }, { "id": "01a0dcd9-8a91-711c-8981-21f3a31d0b16", "title": "My libertarian primer has arrived.", "url": "https://peeterjoot.com/2018/10/26/my-libertarian-primer-has-arrived/", "published_at": "2018-10-26T23:28:49+00:00" }, { "id": "01a0dcd9-8a91-711c-8981-21f3a35f4511", "title": "Hamiltonian for the non-homogeneous Klein-Gordon equation", "url": "https://peeterjoot.com/2018/10/25/hamiltonian-for-the-non-homogeneous-klein-gordon-equation/", "published_at": "2018-10-25T19:41:12+00:00" }, { "id": "01a0dcd9-8a91-711c-8981-21f3a3b89031", "title": "PHY2403H Quantum Field Theory. Lecture 13: Forced Klein-Gordon equation, coherent states, number density, time ordered product, pole shifting, perturbation theory, Heisenberg picture, interaction picture, Dyson’s formula. Taught by Prof. Erich Poppitz", "url": "https://peeterjoot.com/2018/10/24/phy2403h-quantum-field-theory-lecture-13-forced-klein-gordon-equation-coherent-states-number-density-time-ordered-product-pole-shifting-perturbation-theory-heisenberg-picture-interaction-pict/", "published_at": "2018-10-25T02:42:03+00:00" }, { "id": "01a0dcd9-8a91-711c-8981-21f3a404c7ed", "title": "PHY2403H Quantum Field Theory. Lecture 12: Klein-Gordon Green’s function, Feynman propagator path deformation, Weightmann function, Retarded Green’s function. Taught by Prof. Erich Poppitz", "url": "https://peeterjoot.com/2018/10/22/phy2403h-quantum-field-theory-lecture-12-klein-gordon-greens-function-feynman-propagator-path-deformation-weightmann-function-retarded-greens-function-taught-by-prof-erich-poppitz/", "published_at": "2018-10-22T23:48:51+00:00" }, { "id": "01a0dcd9-8a91-711c-8981-21f3a4bf4207", "title": "New aggregate notes collection for UofT phy2403 Quantum Field Theory I", "url": "https://peeterjoot.com/2018/10/21/new-aggregate-notes-collection-for-uoft-phy2403-quantum-field-theory-i/", "published_at": "2018-10-22T03:09:42+00:00" }, { "id": "01a0dcd9-8a91-711c-8981-21f3a595374a", "title": "PHY2403H Quantum Field Theory. Lecture 11: Momentum matrix elements, spacelike surfaces, microcausality, Lorentz invariant measure, wave function Green’s function, retarded time contour, advanced time contour. Taught by Prof. Erich Poppitz", "url": "https://peeterjoot.com/2018/10/20/phy2403h-quantum-field-theory-lecture-11-momentum-matrix-elements-spacelike-surfaces-microcausality-lorentz-invariant-measure-wave-function-greens-function-retarded-time-contour-advanced-ti/", "published_at": "2018-10-21T03:00:02+00:00" }, { "id": "01a0dce1-fcc4-727c-8135-b518da589bfa", "title": "PHY2403H Quantum Field Theory. Lecture 10: Lorentz boosts, generator of spacetime translation, Lorentz invariant field representation. Taught by Prof. Erich Poppitz", "url": "https://peeterjoot.com/2018/10/16/phy2403h-quantum-field-theory-lecture-10-lorentz-boosts-generator-of-spacetime-translation-lorentz-invariant-field-representation-taught-by-prof-erich-poppitz/", "published_at": "2018-10-16T14:30:00+00:00" }, { "id": "01a0dce1-fcc4-727c-8135-b518daeb2164", "title": "PHY2403H Quantum Field Theory. Lecture 8: 1st Noether theorem, spacetime translation current, energy momentum tensor, dilatation current. Taught by Prof. Erich Poppitz", "url": "https://peeterjoot.com/2018/10/14/phy2403h-quantum-field-theory-lecture-8-1st-noether-theorem-spacetime-translation-current-energy-momentum-tensor-dilatation-current-taught-by-prof-erich-poppitz/", "published_at": "2018-10-15T02:36:10+00:00" }, { "id": "01a0dce1-fcc4-727c-8135-b518db7249d3", "title": "A book review: Extreme Prejudice: The Terrifying Story of the Patriot Act and the Cover Ups of 9/11 and Iraq Paperback – by Ms. Susan Lindauer", "url": "https://peeterjoot.com/2018/10/12/a-book-review-extreme-prejudice-the-terrifying-story-of-the-patriot-act-and-the-cover-ups-of-9-11-and-iraq-paperback-by-ms-susan-lindauer/", "published_at": "2018-10-12T12:36:04+00:00" }, { "id": "01a0dce1-fcc4-727c-8135-b518dc2df469", "title": "PHY2403H Quantum Field Theory. Lecture 9: Unbroken and spontaneously broken symmetries, Higgs Lagrangian, scale invariance, Lorentz invariance, angular momentum quantization. Taught by Prof. Erich Poppitz", "url": "https://peeterjoot.com/2018/10/11/phy2403h-quantum-field-theory-lecture-9-unbroken-and-spontaneously-broken-symmetries-higgs-lagrangian-scale-invariance-lorentz-invariance-angular-momentum-quantization-taught-by-prof-erich-p/", "published_at": "2018-10-11T12:51:20+00:00" }, { "id": "01a0dce1-fcc4-727c-8135-b518dcff5c8b", "title": "PHY2403H Quantum Field Theory. Lecture 7: Symmetries, translation currents, energy momentum tensor. Taught by Prof. Erich Poppitz", "url": "https://peeterjoot.com/2018/10/03/phy2403h-quantum-field-theory-lecture-7-symmetries-translation-currents-energy-momentum-tensor-taught-by-prof-erich-poppitz/", "published_at": "2018-10-04T02:08:53+00:00" }, { "id": "01a0dce1-fcc4-727c-8135-b518dd6352d2", "title": "Complex Klein-Gordon field: dead ends take III (or more?)", "url": "https://peeterjoot.com/2018/09/29/complex-klein-gordon-field-dead-ends-take-iii-or-more/", "published_at": "2018-09-29T22:36:12+00:00" }, { "id": "01a0dce1-fcc4-727c-8135-b518de35f605", "title": "The identity ideologues are pushing hard from york region primary schools", "url": "https://peeterjoot.com/2018/09/28/the-identity-ideologues-are-pushing-hard-from-york-region-primary-schools/", "published_at": "2018-09-29T03:01:01+00:00" }, { "id": "01a0dce1-fcc4-727c-8135-b518dee96fa6", "title": "PHY2403H Quantum Field Theory. Lecture 6: Canonical quantization, Simple Harmonic Oscillators, Symmetries. Taught by Prof. Erich Poppitz", "url": "https://peeterjoot.com/2018/09/26/phy2403h-quantum-field-theory-lecture-6-canonical-quantization-simple-harmonic-oscillators-symmetries-taught-by-prof-erich-poppitz/", "published_at": "2018-09-27T03:10:28+00:00" }, { "id": "01a0dce1-fcc4-727c-8135-b518df33c30f", "title": "PHY2403H Quantum Field Theory. Lecture 5: Klein-Gordon equation, Hamilton’s equations, SHOs, momentum space representation, raising and lowering operators. Taught by Prof. Erich Poppitz", "url": "https://peeterjoot.com/2018/09/25/phy2403h-quantum-field-theory-lecture-5-klein-gordon-equation-hamiltons-equations-shos-momentum-space-representation-raising-and-lowering-operators-taught-by-prof-erich-poppitz/", "published_at": "2018-09-25T18:45:08+00:00" }, { "id": "01a0dce1-fcc4-727c-8135-b518df9b3a6d", "title": "New version of Geometric Algebra for Electrical Engineers posted.", "url": "https://peeterjoot.com/2018/09/24/new-version-of-geometric-algebra-for-electrical-engineers-posted/", "published_at": "2018-09-24T22:50:10+00:00" }, { "id": "01a0dcea-2b4b-72e0-920a-2b967379a3a2", "title": "Notes so far for phy2403, Quantum Field Theory I", "url": "https://peeterjoot.com/2018/09/23/notes-so-far-for-phy2403-quantum-field-theory-i/", "published_at": "2018-09-23T19:34:03+00:00" }, { "id": "01a0dcea-2b4b-72e0-920a-2b9673b5f813", "title": "PHY2403H Quantum Field Theory. Lecture 4: Scalar action, least action principle, Euler-Lagrange equations for a field, canonical quantization. Taught by Prof. Erich Poppitz", "url": "https://peeterjoot.com/2018/09/23/phy2403h-quantum-field-theory-lecture-4-scalar-action-least-action-principle-euler-lagrange-equations-for-a-field-canonical-quantization-taught-by-prof-erich-poppitz/", "published_at": "2018-09-23T04:35:35+00:00" }, { "id": "01a0dcea-2b4b-72e0-920a-2b9674209219", "title": "PHY2403H Quantum Field Theory. Lecture 3: Lorentz transformations and a scalar action. Taught by Prof. Erich Poppitz", "url": "https://peeterjoot.com/2018/09/18/phy2403h-quantum-field-theory-lecture-3-lorentz-transformations-and-a-scalar-action-taught-by-prof-erich-poppitz/", "published_at": "2018-09-18T21:04:35+00:00" }, { "id": "01a0dcea-2b4b-72e0-920a-2b967437f8e7", "title": "UofT QFT Fall 2018 Lecture 2. Units, scales, and Lorentz transformations. Taught by Prof. Erich Poppitz", "url": "https://peeterjoot.com/2018/09/17/uoft-qft-fall-2018-lecture-2-units-scales-and-lorentz-transformations-taught-by-prof-erich-poppitz/", "published_at": "2018-09-17T20:56:36+00:00" }, { "id": "01a0dcea-2b4b-72e0-920a-2b96749e34dd", "title": "Awesome bookshelves in my home office space", "url": "https://peeterjoot.com/2018/09/15/awesome-bookshelves-in-my-home-office-space/", "published_at": "2018-09-16T04:05:15+00:00" }, { "id": "01a0dcea-2b4b-72e0-920a-2b9674b7c12d", "title": "UofT QFT Fall 2018 phy2403 ; Lecture 1, What is a field? Taught by Prof. Erich Poppitz", "url": "https://peeterjoot.com/2018/09/14/uoft-qft-fall-2018-phy2403-lecture-1-what-is-a-field-taught-by-prof-erich-poppitz/", "published_at": "2018-09-15T03:26:14+00:00" }, { "id": "01a0dcea-2b4b-72e0-920a-2b9675492422", "title": "The danger of a loose electrical outlet (and sloppy wiring)", "url": "https://peeterjoot.com/2018/09/08/the-danger-of-a-loose-electrical-outlet-and-sloppy-wiring/", "published_at": "2018-09-09T02:57:06+00:00" }, { "id": "01a0dcea-2b4b-72e0-920a-2b9675785dfe", "title": "Is this Cantonese or Manderin?", "url": "https://peeterjoot.com/2018/09/02/is-this-cantonese-or-manderin/", "published_at": "2018-09-02T20:40:51+00:00" }, { "id": "01a0dcea-2b4b-72e0-920a-2b9675b7745c", "title": "IBM and other companies now claim to be loosening college degree requirements.", "url": "https://peeterjoot.com/2018/08/29/ibm-and-other-companies-now-claim-to-be-loosening-college-degree-requirements/", "published_at": "2018-08-29T14:38:37+00:00" }, { "id": "01a0dcea-2b4b-72e0-920a-2b96766254ec", "title": "The original owner of my house didn’t like grounding circuits?!!", "url": "https://peeterjoot.com/2018/08/27/the-original-owner-of-my-house-didnt-like-grounding-circuits/", "published_at": "2018-08-27T16:27:22+00:00" }, { "id": "01a0dcf8-89e5-7320-8bd2-bfd800c27b85", "title": "Misc home improvement progress.", "url": "https://peeterjoot.com/2018/08/08/misc-home-improvement-progress/", "published_at": "2018-08-09T02:07:59+00:00" }, { "id": "01a0dcf8-89e5-7320-8bd2-bfd80123fc34", "title": "Moving an electrical outlet 4″ up in the bathroom.", "url": "https://peeterjoot.com/2018/08/05/moving-an-electrical-outlet-4-up-in-the-bathroom/", "published_at": "2018-08-05T21:22:49+00:00" }, { "id": "01a0dcf8-89e5-7320-8bd2-bfd80160881f", "title": "Some progress prepping the bathroom reno.", "url": "https://peeterjoot.com/2018/06/18/some-progress-prepping-the-bathroom-reno/", "published_at": "2018-06-19T03:35:16+00:00" }, { "id": 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"id": "01a0dcf8-89e5-7320-8bd2-bfd80465f0bc", "title": "Applied vanity press", "url": "https://peeterjoot.com/2018/04/09/applied-vanity-press/", "published_at": "2018-04-09T20:27:09+00:00" }, { "id": "01a0dcf8-89e5-7320-8bd2-bfd8049fa977", "title": "I wrote a book: Geometric Algebra for Electrical Engineers", "url": "https://peeterjoot.com/2018/04/05/i-wrote-a-book-geometric-algebra-for-electrical-engineers/", "published_at": "2018-04-05T19:46:45+00:00" }, { "id": "01a0dcf8-89e5-7320-8bd2-bfd8050b03f3", "title": "Propublica’s IBM age discrimination investigation", "url": "https://peeterjoot.com/2018/03/22/propublicas-ibm-age-discrimination-investigation/", "published_at": "2018-03-22T15:53:20+00:00" }, { "id": "01a0dcff-42f6-7200-b6af-54db63df0361", "title": "Potential solutions to the static Maxwell’s equation using geometric algebra", "url": "https://peeterjoot.com/2018/03/20/potential-solutions-to-the-static-maxwells-equation-using-geometric-algebra/", "published_at": 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Ka-Tex rendered [Take II].", "url": "https://peeterjoot.com/2018/01/14/electric-field-of-a-spherical-shell-ka-tex-rendered-take-ii/", "published_at": "2018-01-15T03:36:32+00:00" }, { "id": "01a0dd0e-96bd-739f-8a91-7003c2e01e68", "title": "Lorentz boosts in Geometric Algebra paravector notation.", "url": "https://peeterjoot.com/2018/01/14/lorentz-boosts-in-geometric-algebra-paravector-notation/", "published_at": "2018-01-14T16:27:36+00:00" }, { "id": "01a0dd0e-96bd-739f-8a91-7003c3060fc0", "title": "Electric field of a spherical shell. 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