Ray Optics Formulas - The Ultimate Cheat Sheet

Evolving invention of Fiber Optics 🧵

Evolving invention of Fiber Optics 🧵 The invention of fiber optics is one of the most powerful stories in human innovation, tracing how we learned to control and transmit light itself. It began in the 1840s, when Daniel Colladon and John Tyndall demonstrated that light could bend inside a stream of water through total internal reflection — the same principle that powers fiber optics today. In the 1930s, Dr. Heinrich Lamm used tiny glass bundles to transmit images, paving the way for optical ima

iQIYI’s International Global Ambassador Esther Yu sang Dayung Sampan at iQIYI X Vision+ Launch Event

Esther Yu spilled the tea on her fun experience filming Speed and Love.🎬

iQIYI's International Global Ambassador Esther Yu stole hearts at the iQIYI X Vision+ Launch Event😄

Red Filter Trick Solves the Biggest Study Problem #LifeHacks #StudySecrets #Genius

Reflection of Parallel Rays on Plane, Concave & Convex Mirrors | Easy Physics Concept | #shorts