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00:05:06
See the highlights of totality from the total solar eclipse of March 8/9 2016! The Exploratorium and NASA went to Woleai, a tiny atoll in the Federated States of Micronesia, where we broadcast the eclipse live. Totality began at 11:38 a.m. on March 9 in Woleai, Micronesia, which was 5:38 p.m. on March 8 in San Francisco.

00:01:45
This hands-on science video explains Einstein’s light-bending concept using nothing more than a wine glass and an LED light representing a star.

00:00:42
Learn how to cast images of the sun using nothing more than a piece of paper and your hands!

00:00:45
On March 8, 2016, 5pm PST the Exploratorium will present a live webcast of the total solar eclipse in Micronesia. Join us here online or in person at the Exploratorium.

00:00:30
Welcome to our 27th annual Pi Day! Help us celebrate this never-ending number (3.14159 . . .) and Einstein's birthday as well. On the afternoon of Saturday, March 14, 2015, participate in pi-related activities and enjoy a piece of pie. Founded at the Exploratorium by our own Prince of Pi, physicist Larry Shaw, Pi Day has become an international holiday, celebrated live and online all around the world.

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.

00:06:46
With a roll of thin plastic diffraction grating and some "stolen" sunlight, artist and exhibit developer Pete Stephens transformed the interior of the Palace of Fine Arts into a dazzling riot of spectral color. As he works to recreate the effect at the new Exploratorium at Pier 15, Stephens recounts the challenges—and the inspiration—of this expansive experiment in light.

16:54:00
Exploratorium composer Wayne Grim used the video of the transit to create a sound composition in real time. As the video signal was received by Wayne's computer, a program he wrote converted the signal into a unique aural experience. http://www.waynegrim.com

00:02:00
Watch the beginning of Venus’s transit across the disk of the sun, one of the rarest astronomical events.

00:02:00
Watch the conclusion of Venus’s 6.5-hour journey across the disk of the sun, one of the rarest astronomical events.