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As a special event in conjunction with the 2009 American Geophysical Union Fall Meeting, we connected a live audience at the Exploratorium with scientists at the South Pole. Learn about atmospheric research at the South Pole from NOAA's Nick Morgan, the IceCube neutrino detector from Mark Krasberg and Laura Gladstone, and the South Pole Telescope from Bill Holzapfel.

Which is farthest away from the earth, the stars or Pluto? The answer may be obvious to you, but a lot of people get this wrong. Listen to TI director Linda Shore as she presents a little survey about how things are arranged in the heavens���and explains what the surprising results mean.

Most things won't burn on Mars���after all, the main ingredient in the Martian atmosphere, carbon dioxide, is used in fire extinguishers on earth. So how would one create fire without oxygen? Use metal!This slow motion footage shows magnesium burning within a block of dry ice.

Join A, K. C. Cole, author of Something Incredibly Wonderful Happens: Frank Oppenheimer and the World He Made Up, in conversation with Exploratorium Director Dr. Dennis Bartels, eminent San Francisco Chronicle science writer David Perlman, Cinema Arts Director Liz Keim, and Exploratorium physicist Thomas Humphrey. A question-and-answer session followed the panel discussion.

Produced by Thorne Films, this very early 1972 film details some of the history and thought that went into the creation of the Exploratorium as told by its founding director, Frank Oppenheimer.

TI staff biologist Karen Kalumuck busts some of the myths about taste, and presents a few fun activities for the classroom.

This electrifying After Dark event featured Austin Richards, Ph.D.���aka, Dr. MegaVolt�����jousting with 14-foot electrical arcs from his high-voltage Tesla coil on the evening of Thursday, November 5, 2009. This wonderful performance contributed to the celebration of the Exploratorium���s 40th Anniversary.

Is water ice present or absent in a crater near the moon's south pole? NASA���s Lunar CRater Observing and Sensing Satellite (LCROSS) mission is seeking a definitive answer. Join Exploratorium staff for a special Webcast featuring live coverage of LCROSS crashing into the moon! Our team will be broadcasting live from the 36" Refractor Telescope at Lick Observatory on Mt. Hamilton, where we���ll watch the impact and investigate how this intentional crash could reveal the existence of water ice.

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.

An introduction to how to make your own simple speaker, which transmits sound from a radio or MP3 player and demonstrates the principles of electromagnetism and vibration.