Electric fields, magnetic fields, circuits, Maxwell's equations, and the unified theory of electricity and magnetism that underpins all modern technology.
5 articles
13 min readConnect a battery to a resistor. Double the voltage and the current doubles. Halve the resistance and the current doubles again. This simple proportionality — V = IR, Ohm's Law — governs the be...
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14 min readEverything electrical — lightning, batteries, neural signals, transistors — begins with one fundamental property of matter: electric charge. The force between charges, described by Coulomb's La...
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15 min readEvery electric motor, every MRI machine, every loudspeaker, every hard drive relies on the same fundamental interaction: magnetic fields exerting forces on moving charges. Understanding how mag...
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15 min readSwitch on a light, charge a phone, fire a neuron — every one of these events is driven by electric fields and potentials. The electric field E tells you the force per unit charge at any point i...
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15 min readEvery time you charge your phone, drive a car, or switch on a light, you are using a technology built on a discovery made in 1831 by Michael Faraday: electromagnetic induction. Faraday found th...
Read article →Newton's laws, kinematics, projectile motion, momentum, gravitation, and the mat…
Energy, heat, work, internal energy, the laws of thermodynamics, and the kinetic…
Transverse and longitudinal waves, wave speed, frequency, wavelength, interferen…
Special relativity, quantum mechanics, wave-particle duality, the uncertainty pr…
Displacement, velocity, acceleration, equations of motion, and the mathematical …
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