Ulexite is a naturally occurring mineral famous for its striking “TV rock” effect, where images beneath it appear projected onto its surface. This happens because ulexite is made of thousands of long, parallel, transparent fibers that behave like natural fiber-optic cables. When light enters these fibers, it travels along them through total internal reflection, a phenomenon where light hits the inner boundary at a steep enough angle that it reflects back inward instead of escaping. Since the fib

22K views · 249 reactions | Order and disorder are famous concepts in physics, but we often overlook the role of these seemingly opposing ideas in our lives. In this exclusive interview, Denis Noble explores the intricate dance between order and disorder in biology, consciousness, language, AI and more. Watch here in full: https://iai.tv/video/denis-noble-on-the-symmetry-of-order-and-disorder | The Institute of Art and Ideas | Facebook