Unsolved Mysteries of Electrostatics - Dr. Andre Assis, DemystifySci #364

Andre Koch Torres Assis is a professor of Physics at the
University of Campinas in Brazil, who has been studying the
history of electricity and electrodynamics for more than thirty
years. As part of his research, he has assembled put together a
collection of experiments that demonstrate some of the earliest
experiences that natural philosophers had with electricity - and
which show how poorly understood these phenomena still are today,
more than two hundred years after they were first observed.





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ANDRE'S EARLIER APPEARANCES ON THE PODCAST:


DemystifySci #328 https://www.youtube.com/watch?v=upV3ZfCEISA


DemystifySci #233 https://youtu.be/kGHNKORQZK8


DemystifySci #204 https://youtu.be/VGql2qiRjkY





ANDRE'S TALK at DEMYSTICON:
https://youtu.be/bboKmG0uUuU?si=c1ctpVpecjzIRhMK





ANDRE'S HOMEPAGE: https://www.ifi.unicamp.br/~assis





00:00 Go!


00:07:02 Experiment Demonstration: The Amber Effect


00:17:06 The oldest instrument to study electricity


00:24:00 Exploring Repulsion in Electricity with the Electric
Pendulum


00:30:00 Understanding Electrical Charge Interaction


00:34:00 Historical Experiments and Discoveries in Electricity


00:39:00 Levitation Experiment and Its Significance


00:45:00 Du Fay’s Two Kinds of Electricity Discovery


00:52:00 The Electroscope and Key Findings


01:02:04 Introduction to Insulators and Conductors


01:07:01 Discovery of Conductors and Insulators by Gray


01:14:24 Classification Experiment with Various Materials


01:21:22 Conductivity Results of Various Materials


01:26:58 Understanding Electricity Control Through Conductors and
Insulators


01:30:48 Material Variability and Conductivity Insights


01:31:17 Conductive Properties of Materials


01:36:00 Voltage Behavior of Materials


01:41:00 Role of Water and Conductivity


01:49:00 Mysteries of Charge Generation


01:51:22 English Translation of Coulomb’s Memoirs


01:57:00 Experimental Insights into Electricity


01:57:48 Exploration of Electron Dynamics


02:04:08 Insights into Electrification Theories


02:10:53 Reflections on Physics Definitions


02:15:54 Material Experimentations and Historical Context


02:18:34 Advancements in Charge Distribution Studies


02:21:47 Limitations of Experimental Accessibility


02:22:27 Importance of Hands-On Physics Education


02:28:01 Mysteries of Electricity


02:30:06 Collaborative Physics Discourse


02:34:34 Historical Context of Discoveries





#electricity, #staticelectricity , #physicsexperiments,
#electrostatics, #DIYphysics, #engineering, #learnphysics ,
#electriccharges , #physicsdemo, #physicscommunity,
#philosophypodcast , #sciencepodcast, #longformpodcast





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