Art Bell welcomes Dr. Michio Kaku to discuss his bestselling book Physics of the Impossible, which examines technologies once dismissed as pure science fiction. Dr. Kaku explains how recent breakthroughs in metamaterials have made invisibility a laboratory reality, overturning decades of established optics. He describes how light can now bend around objects like water flowing past a boulder, and how the Pentagon is already funding research into invisible soldiers and aircraft. The conversation… Full show notes & guests: https://artbellarchive.org/episode/march-28-2008-impossible-physics-dr-michio-kaku