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0:22:47
Dr. Nils Halvorson is in the Live@ studio and sheds light on the DASI telescope at the South Pole.

0:24:35
In this webcast, we talk to Exploratorium staff particle physicist, Thomas Humphrey, about neutrinos

0:46:48
In 1963 Benoit Mandelbrot introduced the fractal concept. Fractals are shapes or behaviors that have similar properties at all levels of magnification. Just as the sphere is a concept that unites raindrops, basketballs and Mars, so fractal is a concept that unites clouds, coastlines, plants and strange attractors. Dr. Mandelbrot dropped in for a visit during our 2001 series of webcasts about Antarctica. We took some time out from the freezing cold to interview him.

0:23:30
In the Exploratorium Live@ studio, we welcome Dr. Karen Kalumuk, who will talk about life in extreme conditions.

0:25:33
In this segment, author Sophie Webb joins us in our Webcast studio to talk about her work with penguins and answer audience questions.

0:27:29
In today's webcast, California Academy of Science's Pam Schullar talks about her work with penguins and answers audience questions.

0:54:27
The first-ever live event inside the NASA clean room, where space hardware is being prepared for the Hubble Space Telescope. We'll get dressed in "bunny suits" to explore the room and show you the activities of engineers and scientists getting ready for the next Hubble servicing mission in November.

0:38:20
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.

0:54:09
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.

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.