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00:09:29
Newton’s laws were never so tasty. Exploratorium staff educator Don Rathjen demonstrates concepts about force using a file folder and a marshmallow.

00:13:23
The Exploratorium's Playful Invention and Exploration (PIE) department is inviting the public to create components of a multi-step chain reaction at Bay Area Maker Faire, 2009. Watch live as each maker's machine sets off the next, culminating in a grand finale!

00:16:50
For the second time, the Exploratorium's Playful Invention and Exploration (PIE) department is inviting the public to create components of a multi-step chain reaction at Bay Area Maker Faire, 2009. Watch live as each maker's machine sets off the next, culminating in a grand finale!

00:05:36
A lucky veteran teacher tells how she got started teaching in a supportive school and with help from her predecessor. This episode is one of several “first-year” stories from people in a difficult profession.

00:07:42
How big does a mirror have to be for you to see yourself in it? Exploratorium staff physicist Thomas Humphrey describes an activity you can use in your classroom to investigate simple optics.

00:07:33
Children’s book author David Schwartz tells how big numbers got him excited about math when he was a kid.

00:05:59
TI staff educator Eric Muller hits me up for change, and then demonstrates a neat science activity using dry ice.

00:01:59
Snow Mirror is the first in a series of pieces that celebrate slowness and black and white, in this piece the image of the viewer is created by the congregation and accumulation of white snow flakes in areas of the image that are brighter. The result is projected on a transparent silk fabric which creates a feeling of the flakes being suspended in space. Artist Daniel Rozin will be featured in the Exploratorium's 2009 exhibition, Reflections.

00:08:53
A story can help make a subject come alive for your students. TI teacher coach Carol Murphy talks about the myriad ways she’s used storytelling in her science classes.

00:07:13
A veteran teacher describes his first year teaching in a tough school district. This episode is one of several “first-year” stories from people in a difficult profession.