In recognition of the 50-year anniversaries of Richard Feynman's visionary talk "There's Plenty of Room at the Bottom" and the inauguration of his revolutionary "Feynman Lectures on Physics," the Institute is now hosting TEDxCaltech. The event will be streamed online throughout the day at tedxcaltech.com. Sessions include Conceptualization and Visualization in Science, Frontiers of Physics, and Nanoscience and the Future of Biology.