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

Build a Model-Driven App in Power Apps (Step-by-Step)

Driven Piles Animation | Keller

Driven piles | Design Expert INT

They don’t get snow days while most are at home, these drivers still out here holding it down in this weather. Much love and respect to all our transit workers keeping the city moving 💪🏽