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AfterSchool Activities:  Whirling Watcher Activity: Step-by-Step Demonstration (Clip)
Running Time:
00:04:32
A detailed demonstration of how to make a stroboscope, including a discussion of materials needed.

Project: AfterSchool Activities | Browse All

Date: January 14, 2008
Format: Demonstration / Activity
Category: Everyday Science
Subject(s): General Science

Keywords: strobe, frames, persistance of vision, animation, cartoon, animated movie, movie, film, tv, sight, eye, afterschool

Links: Download activity instructions
Download concept map
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AfterSchool Activities:  Whirling Watcher Activity: What's Going On (Clip)
Running Time:
00:00:47
The science behind the Whirling Watcher stroboscope, including a discussion of the phenomenon called persistence of vision, which in this activity creates the illusion of a galloping horse.

Project: AfterSchool Activities | Browse All

Date: January 14, 2008
Format: Demonstration / Activity
Category: Everyday Science
Subject(s): General Science

Keywords: strobe, frames, persistance of vision, animation, cartoon, animated movie, movie, film, tv, sight, eye, afterschool

Links: Download activity instructions
Download concept map
Going further

Watch Now
AfterSchool Activities:  Jitterbug Activity: Introduction (Clip)
Running Time:
00:01:32
An introduction to the jitterbug, a simple motorized toy made of a recycled CD and a DC motor.

Project: AfterSchool Activities | Browse All

Date: January 13, 2008
Format: Demonstration / Activity
Category: Everyday Science
Subject(s): General Science

Keywords: electricity, electric motor, toy, curcuit, rotational vibration, spinning, shimmy, afterschool

Links: Download activity instructions
Download concept map
Going further

Watch Now
AfterSchool Activities:  Jitterbug Activity: Step-by-Step Demonstration (Clip)
Running Time:
00:10:57
A detailed demonstration of how to make this toy, including a discussion of materials needed.

Project: AfterSchool Activities | Browse All

Date: January 13, 2008
Format: Demonstration / Activity
Category: Everyday Science
Subject(s): General Science

Keywords: electricity, electric motor, toy, curcuit, rotational vibration, spinning, shimmy, afterschool

Links: Download activity instructions
Download concept map
Going further

Watch Now
AfterSchool Activities:  Jitterbug Activity: What's Going On (Clip)
Running Time:
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.

Project: AfterSchool Activities | Browse All

Date: January 13, 2008
Format: Demonstration / Activity
Category: Everyday Science
Subject(s): General Science

Keywords: electricity, electric motor, toy, curcuit, rotational vibration, spinning, shimmy, afterschool

Links: Download activity instructions
Download concept map
Going further

Watch Now
Ice Stories:  Ice Cube Telescope, Part II (Webcast)
Running Time:
00:31:28
Hear more from scientists working on the Ice Cube telescope at the South Pole.

Project: Ice Stories: Dispatches from Polar Scientists | Browse All

Date: January 12, 2008
Format: Expedition
Category: Science in Action
Subject(s): Geology/Earth Science, Astronomy/Space Science

Keywords: antarctica, neutrinos, dark matter, dark energy, astronomy, space, nasa, scientists, mcmurdo station, cosmic rays

Links: ICE CUBE Homepage

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Ice Stories:  Glaciologists at the West Antarctic Ice Sheet (Webcast)
Running Time:
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.

Project: Ice Stories: Dispatches from Polar Scientists | Browse All

Date: January 12, 2008
Format: Expedition
Category: Popular Science
Subject(s): Geology/Earth Science

Keywords: antarctica, glaciers, ice sheet dynamics, subglacial lakes, west antarctic ice sheet, floods, streams, ice quakes

Links: 

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Ice Stories:  Balloon Research (Webcast)
Running Time:
00:23:54
Watch as three giant helium balloons are launched above Antarctica to study climate history; listen as scientists talk about balloon research.

Project: Ice Stories: Dispatches from Polar Scientists | Browse All

Date: January 10, 2008
Format: Expedition
Category: Science in Action
Subject(s): Geology/Earth Science, Astronomy/Space Science

Keywords: antarctica, weather balloons, astronomy, space, nasa, scientists, mcmurdo station, air currents, cosmic rays

Links: Balloon launch at McMurdo

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Exhibit Services:  Aeolian Landscape (Clip)
Running Time:
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.

Project: Exploratorium Exhibit Services | Browse All

Date: January 10, 2008
Format: Exhibit
Category: Everyday Science
Subject(s): Art, Geology/Earth Science

Keywords: art, aeolian, exhibit, ned kahn, wind, sand, dune, simulation


QuickTime: 308K  
Exhibit Services:  Balancing Ball (Clip)
Running Time:
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.

Project: Exploratorium Exhibit Services | Browse All

Date: January 10, 2008
Format: Exhibit
Category: Everyday Science
Subject(s): General Science

Keywords: ball, air, airflow, float, stream, exhibit


QuickTime: 308K  
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Gordon and Betty Moore Foundation
Gordon and Betty Moore Foundation
Webcasts made possible through the generosity of the Gordon and Betty Moore Foundation, The Jim Clark Endowment for Internet Education, the McBean Family Foundation,.and the Corporation for Educational Networks Initiatives in California (CENIC).

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