Physics

A Listing of Key Events in Electricity and Magnetism

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Menu (linked Index) A Listing of Key Events in Electricity and Magnetism Last Update: June 5, 2025  Introduction Recognizing Michael Faraday Recognizing James Clerk Maxwell Chronological Listing of key events and milestones in Electricity and Magnetism Introduction to Chronology of Events in Electricity and Magnetism This post tabulates significant milestones and events in our understanding […]

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Hawk Eye

Understand Your Eyes

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Menu (linked Index) Understanding Your Eyes – A Guide to Anatomy, Vision, and Correction Last Update: January 10, 2025 Introduction Eye Anatomy  Light to Vision Pathway Physics of the Eyes Vision Impairment and Correction Introduction In the book “The Auto Biography of Malcolm X” , Malcolm writes……”I would just like to study. I mean ranging

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Lens Ray Diagrams

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Menu (linked Index) Lens Ray Diagrams Last Update: October 21, 2024 Introduction Convex and Concave Lens Basics Ray Diagram Drawing Rules Convex and Concave Lens Ray Diagram (O>2F) Convex and Concave Lens Ray Diagram (O=2F) Convex and Concave Lens Ray Diagram (2F>O>F) Convex and Concave Lens Ray Diagram (O=F) Convex and Concave Lens Ray Diagram

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Lens Equations

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Menu (linked Index) Lens Equations Last Update: October 21, 2024 Introduction Symmetrical Concave and Convex Lens Using Ray Diagrams to Determine the Lens Equations Lens Magnification Equation Thin Lens Equation Curved Surface Refraction Equation Derivation Lens Maker’s Equation Introduction In this post we’ll derive the following key lens equations: The Lens Magnification Equation The Thin

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Light Refraction Icon

Snell’s Law Example

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Introduction Snell’s Law (Law of Refraction) Example Last Update: October 20, 2024 This post provides an example of how to compute refracted light angles using Snell’s Law.  Refer to my post Refractive Geometric Optics for more on Snell’s Law.  Also, Find more links related to my eye research here: Understand Your Eyes. Return to Menu Snell’s

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Electromagnetic Wave Wiki Commons

Wave Superposition

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Menu (linked Index) Wave Superposition Last Update: October 20, 2024 Introduction  Electromagnetic Wave Superposition Why Light Slows Down Introduction Electromagnetic waves produced by different sources will combine in a process called superposition.  In this post, we’ll describe basic wave superposition and why light slows down when entering a medium with a higher refractive index.  Also

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Vision Correction

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Menu (linked Index) Vision Correction Last Update: Feb 5, 2025 Introduction Anatomy of the Eye Near Sightedness and Far Sightedness A Normal Eye with Perfect Vision Far Sightedness and Its Correction Presbyopia Near Sightedness and its Correction Astigmatism Eye Glass / Contact Prescription Refractive Vision Error Corrective Procedures for Near Sightedness, Far Sightedness, Presbyopia, and

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