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00:01:41
The science behind this toy, including a discussion of how electric circuits work, and how an unbalanced load (an off-center weight on your jitterbug) results in rotational vibration.

00:31:28
Hear more from scientists working on the Ice Cube telescope at the South Pole.

00:46:36
Meet glaciologist Slawek Tulaczyk and his team, who work in the fast-emerging field of ice sheet dynamics. They speak to us just after returning from a month at a remote camp on the West Antarctic Ice Sheet.

00:23:54
Watch as three giant helium balloons are launched above Antarctica to study climate history; listen as scientists talk about balloon research.

00:00:15
Aeolian Landscape is an exhibit in which a miniature wind-swept desert landscape is recreated by an electric fan and finely ground sand that mimics the process of wind picking up and depositing small particles. Visitors can change the direction of the fan, influencing the shape of the dunes.

00:00:15
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.

00:00:15
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.

00:40:13
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?

00:02:10
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.

00:03:34
Live program from Side, Turkey Images from the Total Solar Eclipse that took place on March 28-29, 2006.