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Phantom Pain

“Chase Hughes explains how your arms affect your communication 🗣️💪 Open arms signal trust and confidence, while crossed arms create distance and tension. Your arm position changes how people feel about you before you even speak 🔍.” #ChaseHughes #BodyLanguage #HumanBehavior #PublicSpeaking #PsychologyHacks #CommunicationSkills #Influence #ReadPeople #Confidence #PowerMoves

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