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Hubble's pictures have changed our understanding of the galaxy. Here we meet scientists who show us how their images have led to new discoveries, then check in on our own imaging project and track its progress. How much time does an astronomer need to get that great picture? We'll talk with scientists about how they determine their experiments, and learn what it takes to make their case for a few minutes of the telescope's time. What's so special about putting a telescope above the atmosphere? Find out by visiting Flight Operations and talking with scientists who've nurtured Hubble from the beginning. Ever see a burning udder? Or a cement block crush a fax machine? Mechanical artistry takes new forms of whimsy as noted MIT sculptor/inventor Arthur Ganson creates tense moments of anticipation in Chain Reaction. Check out the action as 10 Japanese robots battle against each other and their American counterparts, including entrants from the Bay Area and Seattle. This event was sponsored by Japanese software developer FSIABC, Inc. Nine Aim High students explore shadow and light, and build their own energy machines. In this webcast, the students delve into energy transference and alternative energy sources like solar cells and wind power. Dr. Paul Doherty scours the globe for the world's greatest science demonstrations. Here he partners with Dr. Gorazd Planinsic, frequent contributor to Physics Teacher magazine, active in international physics education, and illustrator of physics text books. Watch this webcast, follow the links to the 'recipes,' then try it yourself! Dr. Paul Doherty scours the globe for the world's greatest science demonstrations. Here he partners with Dr. Yoji Takikawa of the International Christian School in Tokyo. Dr. Takikawa creates at least one new activity every month and has published over 25 books of science activities. Watch this webcast, follow the links to the 'recipes,' then try it yourself! Nine Aim High students explore shadows and light, and build their own energy machines over the Spring of 2001. In this webcast, the students look at things that glow in both the area of physics and the area of biology. In these archived webcasts from inside the American Association for the Advancement of Science (AAAS) exhibition hall, watch as Exploratorium senior scientist Tom Humphrey challenges some of the top scientists in the world to explain the phenomena behind selected exhibits from the museum floor. In this webcast: the String Squirter exhibit, as explained by a guest physicist Leon Lederman.