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00:03:58
Únete a la astrónoma del Exploratorium Isabel Hawkins quien junto a la educadora del Exploratorium Liliana Blanco explican los movimientos de los astros durante un eclipse total de sol. A través de demostraciones, ellas muestran cómo la luna, el sol y la Tierra se alinean para crear la coincidencia cósmica que llamamos un eclipse total de sol.

00:03:45
Join Exploratorium astronomer Isabel Hawkins, and Exploratorium educator Liliana Blanco as they explain the celestial mechanics of a total solar eclipse. Through demonstrations, they show how the moon, sun, and Earth align to create the cosmic coincidence that we see as a total solar eclipse.

00:06:10
Height confers advantages in many sports—to a point. But what if you’re too tall to even safely fit on a bicycle? Bike builder David Folch shares both the engineering challenges and the joy of creating supersized bikes for supersized riders.

00:05:31
Experimental physicist Carl Haber restores antique audio recordings too old, fragile, or damaged to be otherwise replayed—including recordings made in wax, soot, and foil. Using optical scanning technologies from his work at CERN in Switzerland, Haber has recovered and preserved a diverse collection of deteriorating sonic artifacts, voices from the past that otherwise would have been lost.

00:30:00
Follow the trail of this intriguing element through ceramics, cleaning agents, fireworks, nuclear reactors, and nanotubes. Get a primer on quantum mechanics, play with slime, and see live flameworking with Russell Taylor of Public Glass.

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.

00:15:00
Join Exploratorium Senior Scientist Paul Doherty as he scours the globe for the world'sgreatest science demonstrations. In the 'Try This' series, Paul introduces us to science teachers who are famed for teaching some of the best science lessons. Watch the webcast, see the activities, and then try it yourself!

00:12:46
What is Community Radio? The DJs and station managers at KPOO, KUSF in Exile, Mutiny Radio and Radio Valencia give us some insight into community radio in the Bay Area, how it works and the challenges they face. http://www.kpoo.com/ http://savekusf.org/ http://pcrcollective.org/ http://radiovalencia.fm/

00:20:00
La sonda espacial Rosetta de la Agencia Espacial Europea despertó de un profundo sueño este enero pasado en preparación para aterrizar en un cometa de nuestro sistema solar – la culminación de un viaje de 10 años por el espacio.

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.