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0:35:54
Exploratorium staff scientist, Dr. Paul Doherty, talks about his photos of Antarctica.

01:01:28
For science fair competition taken to the third power, watch two veteran scientists as they battle head to head to determine who is the Iron Scientist. Home-town favorite, Exploratorium physicist, Dr. Dr. Paul Doherty will square off against heavy-weight contender, visiting Exploratorium Osher Fellow and Boston University astrophysicist Professor Kenneth Brecher. They have 5 minutes to teach their favorite activities, and then move on to the secret ingredients: marbles and panty hose

0:16:04
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.

0:40:51
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.

0:16:17
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.

0:29:37
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 physicist and Nobel laureate Leon Lederman

00:03:36
Mesocyclone, centerpiece of the Turbulent Landscapes exhibition, is a 40 foot tall, working model of a hurricane. Powerful fans at the base of the structure create complex airflow patterns. These patterns are made visible by water vapor released from the top of the structure.