Condensed matter physics deals with the interactions of matter at microscopic scales. On this program, Nobel laureate, Prof. Douglas Osheroff, discussed condensed matter physics.

Cosmological views of the universe have evolved from ideas as simple as a flat earth to current notions that accede the possibilty of multiple universes. On this program, Prof. David Park discussed the history of cosmology.

Current trends in urbanization are unsustainable with current practices. Randy Hayes, Oakland Sustainability Director, discussed his efforts at rainforest protection and urban sustainability.

The Nobel Prizes 2005. Professor Barney Grubbs discussed his father winning the Chemistry Prize. Professor Yuen-Ron Shen discussed the Physics Prize. And, Mary Miller joined us to to talk about the Nobel Prize Exhibit on display at the Exploratorium.

Creativity often requires venturing into the unknown. Nobel Prize winner Martin Pearl gives advice for up and coming scientists and thinkers. Terry Hazen also joined us to talk about pathogen detecting technology.

Nanotechnology innovations have the potential to revolutionize daily living. But, separating the science from the science fiction is a challenge both for scientists and investors. On this program, Dr. Matthew Laudon and Darrell Brookstein discussed the promise of nanotechnology.

Nature has evolved without an electrical power grid, but can humans learn to live without one as well? Todd Jersey, architect and designer, joined us to talk about permaculture.

Despite the setbacks with the space shuttle, NASA is continuing to expand its missions in other ways. On this program, George Larson, editor of Air and Space Smithsonian magazine, discussed the recent developments at NASA.

Subsidies have a mixed history of success. But with the California Solar Roofs bill SB1 currently under debate in the California State Assembly, there are expectations that this government initiative will make photovoltaic technology affordable for everyone. Jesse Quay from Sun Light and Power explains the economics and technology behind solar photovoltaic panels.

The physical laws governing planetary motion were first defined by Johannes Kepler using the data of Tyco Brahe. On this program, Joshua and Anne-Lee Gilder discussed this discovery and the controversy surrounding it.