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00:00:16
Not all shadows are black. Red, green, and blue lights shine on this wall, combining to make white. As you move in front of the wall, your body can block one, two, or all three of the lights, resulting in shadows of various colors.

00:24:42
This short documentary chronicles the people, places, things, and ideas at the core of The Windows, a four-day trek from the back deck of the Exploratorium to the top of Mount Diablo. Led by artist Harrell Fletcher and the Exploratorium's Center for Art & Inquiry in the summer of 2013, the walk involved a dozen hikers and dozens more participants and learning experiences en route to the summit. http://www.exploratorium.edu/arts/the-windows

00:25:50
Join Exploratorium scientists Paul Doherty and Isabel Hawkins for a live webcast as they share information about the Rosetta Mission, which is due to be "woken up" on January 20th, 2014. Rosetta is a spacecraft en route to Comet 67P/Churyumov-Gerasimenko, where it will make the most detailed study of a comet ever attempted.

00:15:00
Laura Welcher, Director of the Rosetta Project, introduces us to the Rosetta Disk, a three-inch puck of microscopically etched nickel and titanium documenting 1,500 human languages.

00:14:00
How can a bugle make so many notes even though it has no valves? We’ll find out about how waves can fit into pipes, strings and rods in this webcast.

00:08:20
Join Ron Hipschman at a live webcast where he’ll investigate sound waves, interference, beats, and harmonics. What is sound? How high a pitch can you hear? Can two sounds add up to no sound? Explore these questions and more in this resonant presentation.

00:01:07
First Thursdays of the Month • 6:00 P.M.--10:00 P.M. Experience life After Dark, an evening series exclusively for adults that mixes cocktails, conversation, and playful, innovative science and art events.

00:00:45
Part science museum, part retail space, and part community center, Helix engages with local schools and neighborhood groups to develop programs and events for all ages that reflect the unique character and needs of Los Altos and its surrounding communities.

00:30:00
Join Exploratorium Senior Scientist Paul Doherty as he shares news from the annual American Geophysical Union (AGU) conference. This year, lead scientists from NASA will be sharing exciting information about the latest activities of the rover Curiosity, the most sophisticated explorer ever sent to another planet.

01:08:00
Watch internationally renowned musician Roscoe Mitchell performing “Angel City” with James Fei on woodwinds and William Winant on percussion. All three are music professors at Mills College in Oakland.