Learn English:

Folgt mir gerne für weitere lern Tipps🥰❤️ | Learning Tips

Meet Kodi! She’s 4 months old and already learning the penguin life skills and swimming like a pro… or at least trying really hard. Our Penguins start in this kiddie pool with keepers right there, making sure every flop and splash goes smoothly! Good job, Kodi! Vid Cred: Keeper Amy #penguin #babypenguin #funnyanimals #travel #animalencounters

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