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00:04:55
XTech at the Exploratorium empowers high school students through the practical use of Science, Technology, Engineering, Art, and Mathematics. Students develop skills - designing and building, creating media, and facilitating community education events - that will lead them into college and beyond. In this show, we will be investigating color. There are colors all around us. Join us and explore the relationship between color and light. Watch as we create colored shadows and trick your mind with colors.

02:50
Josh Short from the Cardboard Institute of Technology walks us through their latest installation, Subterrain, on the Exploratorium floor!

00:00:59
Exploratorium Senior Scientist Paul Doherty explains a double rainbow sighting at Burning Man 2010!

00:03:30
Justin Holl and Peter Winch from the Gulf of the Farallones Marine Sanctuary and print-maker Julie Whitcomb explore squid anatomy through dissections, ink extractions, and squid prints.

00:07:04
What is indigo anyway? Staff physicist Paul Doherty tells the story behind ROYGBIV, and how he'd like to change that standard palette.

00:05:20
Exploratorium staff physicist Thomas Humphrey explains what temperature and color have to do with one another.

00:04:51
A detailed demonstration of how to do the Color Chromatography activity, which lets you see the colors hidden in black ink. Includes a discussion of materials needed.

00:01:12
An introduction to an activity that lets you discover the secret colors hidden in black ink. With a paper towel, a black marker, and a cup of water, create a rainbow of colors while exploring capillary action and chromatography.

00:01:33
Explore the science behind this activity, including capillary action (how the water moves up the paper) and chromatography, or how different elements of the ink are carried along at different rates, allowing you to see that black ink is actually made up of many different colors.

00:04:14
Preview the Exploratorium's Mind exhibit, an exhibit collection four years in the making.

In Mind, you are the exhibit. Experience your own thoughts, feelings and actions in provocative and unexpected ways in this major new 5000-square-foot collection. Discover insights into how you make decisions, the kinds of things you do (or don’t) pay attention to, and the changing landscapes and intriguing effects of your own emotions. Mind is made possible with the support of the National Science Foundation.