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At the Balancing Ball exhibit, a plastic beach ball floats mysteriously several feet above a large plastic cone. Upon closer inspection, the ball is found to be floating on a stream of air blowing out of the cone; visitors interact with the ball, changing its position in relation to the air flow. The Chaotic Pendulum exhibit contains a deceptively simple set of pendulums in a steel and Plexiglas case. The visitor twists a protruding knob, expecting the resulting motion to be fairly predictable. But the device's motion is chaotic, extremely complicated and long-lived. Scientists at Palmer Research Station in Antarctica talk about their research: How is the rich marine ecosystem just offshore responding to melting sea ice and global climate change? Artist Sheldon Brown creates an urban/suburban/rural environment in which the visitor literally "paints" the flying landscape with highways, buildings, and automobiles. This exhibit was part of the Virtual Unreality exhibition. Meet the scientists and engineers at work on the South Pole's Ice Cube Telescope. This telescope will be the largest in the world and is designed to capture the movement of neutrinos, the smallest of all subatomic particles. Learn about the various projects and teams of people working on the South Pole Telescope. Join Exploratorium senior scientist Paul Doherty once more as he serves up hands-on activities related to Antarctic science. Join Exploratorium senior scientist Paul Doherty as he serves up more hands-on activities related to science in Antarctica. Join us in conversation with David Ainley and other researchers, as they wrap up there field season at the Adelie penguin breeding colonies in Antarctica’s Ross Sea. Penn State University glaciologist Dr. Richard Alley explains why ice is cool.