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00:04:37
Staff Neuroscientist Richard Brown demonstrates that the Giant Mirror reflects infrared radiation as well as visible light.

00:00:25
An introduction to the Ice Balloons activity, in which learners explore globes of frozen water and learn how to ask and then answer 'investigable' questions.

00:07:39
A detailed demonstration of how to do the Ice Balloons activity, including a discussion of materials needed and strategies for getting learners to ask and then investigate questions about what they are seeing.

00:01:03
The science and pedagogy behind this activity, including a discussion of concepts such as density, temperature, thermal conductivity, center of mass, freezing point depression, heat capacity, and the characteristics of the states of water, water vapor, and ice. Also describes strategies for observing, asking questions, and then choosing a question to investigate further.

00:01:30
In this activity, you'll explore a frozen water balloon to learn how to ask investigable questions and how to use everyday objects to do experiments to answer those questions.

00:02:02
The film Between the Folds is a 2009 work by filmmaker Vanessa Gould. Between the Folds chronicles ten artists and scientists who have devoted time to the unlikely medium of modern origami. Vanessa Gould, who has degrees in physics and architecture, explores the expression of mathematics through origami. She became captivated by the art and science of transforming sheets of paper into three-dimensional geometric shapes — and exposed a hidden subculture. The film will screen at the Exploratorium on Saturday, October 18th, at 2pm.

00:01:20
Meet some of the notable artists featured in the Speaking of Music Rewind preview: Brian Eno, Sarah Hopkins, Trimpin, Pamela Z, John Cage, Philip Glass, and Laurie Anderson.

00:05:15
Geologist Chistina Riesselman explains how studying 3-million-year-old sediment from Antarctica is providing a glimpse of what our planet's climate might look like if atmospheric carbon dioxide continues to rise as projected.

00:00:44
This is a time-lapse movie of a chain reaction activity presented at the Exploratorium booth during Maker Faire 2009. Participants were asked to build a portion of a collective chain reaction contraption, which was set off twice during the day. Photos were taken every 30 seconds and then joined in a 24 fps movie.

00:00:36
This is a time-lapse movie of a chain reaction activity presented at the Exploratorium booth during Maker Faire 2009. Participants were asked to build a portion of a collective chain reaction contraption, which was set off twice during the day. Photos were taken every 30 seconds and then joined in a 24 fps movie.