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Miscellaneous:  Charles Sowers and his Watch Water Freeze Exhibit (Webcast)
Running Time:
00:17:15
Join exhibit developer Charles Sowers as he demonstrates Watch Water Freeze, an exhibit designed to encourage noticing. Patience with this piece is rewarded with breathtaking patterns of ice crystals. Viewed through a polarizing filter, the beautiful colors and crystalline structures of Watch Water Freeze have inspired countless museum visitors to reach for their cameras.

Project: Miscellaneous | Browse All

Date: December 16, 2009
Format: Exhibit
Category: Popular Science
Subject(s): Chemistry, Physics, Art

Keywords: charles, sowers, water, ice, freeze, exhibit, polarization


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Science Teaching Tips:  Which Is Closest? (Podcast)
Running Time:
00:07:31
Which is farthest away from the earth, the stars or Pluto? The answer may be obvious to you, but a lot of people get this wrong. Listen to TI director Linda Shore as she presents a little survey about how things are arranged in the heavens—and explains what the surprising results mean.

Project: Teacher Institute Science Teaching Tips | Browse All

Date: December 9, 2009
Format: Interview
Category: Everyday Science
Subject(s): Astronomy/Space Science

Keywords: stars, pluto


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After Dark:  Fire and Ice: Flaming Ice in Slow Motion (Clip)
Running Time:
00:00:36
See slow-motion footage of flames licking through ice during a demonstration by Eric Muller of the Exploratorium's Teacher Institute. Can you guess what he added to the bottom of the vessel before lighting it?

Project: After Dark | Browse All

Date: December 3, 2009
Format: Demonstration / Activity
Category: Popular Science
Subject(s): Chemistry

Keywords: fire, ice, after dark, slow motion, teacher's institute, flames

Links: Teacher's Institute Website

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After Dark:  Fire and Ice: The Cauldron in Slow Motion (Clip)
Running Time:
00:00:34
Slow motion footage of The Cauldron by Kiki at the Fire and Ice After Dark event.

Project: After Dark | Browse All

Date: December 3, 2009
Format: Demonstration / Activity
Category: Popular Culture
Subject(s): Art

Keywords: cauldron, fire, after dark, kiki, flames, fountain

Links: The Cauldron Website

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After Dark:  Fire and Ice: Pyrograph in Slow Motion (Clip)
Running Time:
00:00:52
Slow motion footage of Pyrograph, a work by Earl "Dodger" Stirling that has been described as a cross between Dante's Inferno and the Foucault Pendulum. Like a fiery version of the Exploratorium's classic Drawing Board exhibit, Pyrograph swings a pendulum across a sandy, flaming cauldron and traces out oscillating patterns in colorful fire.

Project: After Dark | Browse All

Date: December 3, 2009
Format: Demonstration / Activity
Category: Science in Action
Subject(s): Art, Chemistry

Keywords: pyrograph, fire, sand, earl sterling, after dark, pendulum, patterns, salts


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After Dark:  Fire and Ice: Magnesium Burning in Dry Ice (Clip)
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Most things won't burn on Mars—after all, the main ingredient in the Martian atmosphere, carbon dioxide, is used in fire extinguishers on earth. So how would one create fire without oxygen? Use metal!This slow motion footage shows magnesium burning within a block of dry ice.

Project: After Dark | Browse All

Date: December 3, 2009
Format: Demonstration / Activity
Category: Everyday Science
Subject(s): Geology/Earth Science, Chemistry, Art

Keywords: fire, magnesium, oxygen, burn, light, glow, dry ice, demonstration, snack


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Science Teaching Tips:  That Sounds Good (Podcast)
Running Time:
00:09:39
Exploratorium staff physicist Thomas Humphrey divulges a clever way to measure the speed of sound, and he explains how he’s used that information to measure things in the world.

Project: Teacher Institute Science Teaching Tips | Browse All

Date: December 2, 2009
Format: Interview
Category: Everyday Science
Subject(s): Physics

Keywords: sound, speed, measure


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Exploratorium History:  Author K.C. Cole and Others on Frank Oppenheimer (Webcast)
Running Time:
01:36:04
Join A, K. C. Cole, author of Something Incredibly Wonderful Happens: Frank Oppenheimer and the World He Made Up, in conversation with Exploratorium Director Dr. Dennis Bartels, eminent San Francisco Chronicle science writer David Perlman, Cinema Arts Director Liz Keim, and Exploratorium physicist Thomas Humphrey. A question-and-answer session followed the panel discussion.

Project: History of the Exploratorium | Browse All

Date: December 1, 2009
Format: Lecture
Category: Popular Science
Subject(s): Art, Cognitive Science/Psychology, General Science, History, Physics

Keywords: frank oppenheimer, frank, k.c cole, exploratorium, history, museum, panel, creation, founder, philosophy, mission

Links: K. C. Cole's Website

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Exploratorium History:  Exploratorium - From An Interview with Dr. Frank Oppenheimer (Clip)
Running Time:
00:08:00
Produced by Thorne Films, this very early 1972 film details some of the history and thought that went into the creation of the Exploratorium as told by its founding director, Frank Oppenheimer.

Project: History of the Exploratorium | Browse All

Date: November 30, 2009
Format: Interview
Category: Popular Culture
Subject(s): Art, General Science, History

Keywords: frank oppenheimer, history of exploratorium


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Science Teaching Tips:  Electrifying Ideas (Podcast)
Running Time:
00:05:54
The ancient Greeks knew about magnets, and they knew about electricity, too. But it wasn’t until the nineteenth century that a connection between the two was discovered. Staff physicist Paul Doherty tells the story of how a professor made the connection…which led to modern motors.

Project: Teacher Institute Science Teaching Tips | Browse All

Date: November 25, 2009
Format: Interview
Category: Everyday Science
Subject(s): Physics

Keywords: greeks, magnets, electricity, motors

Links: Paul Doherty’s Web site

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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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