Uploads from Dr. Jorge S. Diaz

Currently Playing: This is how the wave-particle duality of light was discovered

To try everything Brilliant has to offer—free—for a full 30 days, visit https://brilliant.org/JKzero/ and get 20% off Brilliant’s annual premium subscription. Get the free notes on wave-particle duality https://ko-fi.com/jkzero/shop Discovery of the wave-particle duality of light. Is light a wave or a particle? Einstein's derivation of a formula showing that energy fluctuations of light are the sum of the energy fluctuations of waves and the energy fluctuations of particles. [Relevant videos] ∘ This math trick revolutionized physics https://youtu.be/gXeAp_lyj9s ∘ Millikan tests Einstein's Light Theory https://youtu.be/fQzirkrXOxk ∘ This effect confirmed light particles https://youtu.be/Ap9os356CZA ∘ Full playlist on Quantum Mechanics https://www.youtube.com/playlist?list=PL_UV-wQj1lvVxch-RPQIUOHX88eeNGzVH [References] ∘ A. Einstein, "On the General Molecular Theory of Heat," Ann. Phys. 14, 354 (1904) ∘ A. Einstein, "On the present status of the radiation problem," Phys. Z. 10, 185 (1909) [PDF p.218] ∘ A. Einstein, "On the development of our views concerning the nature and constitution of radiation," Phys. Z. 10, 817 (1909) [PDF p.870] ∘ S. Bose, "Planck’s law and the hypothesis of light quanta," Z. Phys. 26, 178 (1924) ∘ A. Einstein, "Quantum theory of the monatomic ideal gas, Part II" Sitzungsber. Preuss. Akad. Wiss. 3, (1925) ∘ M. Born, W. Heisenberg, and P. Jordan, "On Quantum Mechanics II," Z. Physik 35, 557 (1926) [Credits] Sun rays through trees, by J. Cheney, free use on Pexels https://www.pexels.com/video/sun-rays-through-trees-2569168/People Looking at Bubbles, by D.C. Pădureț, free use on Pexels https://www.pexels.com/video/people-looking-at-bubbles-5560452/ A. Einstein, public domain Page of F.Reif's Fundamentals of Statistical and Thermal Physics, by basykes under CC BY 2.0 Wave-particle ambigram by Douglas Hofstadter under CC BY-SA 3.0 Deed J. Willard Gibbs, public domain Cover page of "Elementary principles in statistical mechanics" by J. Willard Gibbs, public domain Hot iron, public domainLight refraction, by ajizai, public domain Interference pattern, by J.S. Diaz (own work) Polarization clamp, by A.Davidhazy under CC BY-SA 4.0 Light bulb through diffraction grating, by R.D. Anderson under CC BY-SA 3.0 Salzburg 1903, by W. Sauber under CC BY-SA 4.0 Sunlight Reflecting in Water, by J.W. Li, free use on Pexels https://www.pexels.com/video/sunlight-reflecting-in-water-10197664/ Tennis Balls Bouncing, by Cottonbro Studio, free use on Pexels https://www.pexels.com/video/tennis-balls-bouncing-5740606/ Smartphone, by Tookapic, public domain Tetris on Game Boy, by W. Warby under CC BY 2.0 Sony Walkman TPS-L2, by A. Gerdén under CC BY-SA 3.0 Red leaf on a tree with the sun shining, by Naro K, free use on Pexels https://www.pexels.com/video/a-red-leaf-on-a-tree-with-the-sun-shining-28079464/ AIP: American Institute of Physics, Emilio Segrè Visual Archives CC BY 2.0: https://creativecommons.org/licenses/by/2.0/ CC BY-SA 2.0 UK: https://creativecommons.org/licenses/by-sa/2.0/uk/deed.en CC BY 3.0: https://creativecommons.org/licenses/by/3.0/deed.en CC BY 4.0: https://creativecommons.org/licenses/by/4.0/deed.en CC BY-SA 3.0: https://creativecommons.org/licenses/by-sa/3.0/deed.en CC BY-SA 4.0: https://creativecommons.org/licenses/by-sa/4.0/