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On January 15th we will release a gem of a vintage interview with revolutionary musician/composer Astor Piazolla! In this inspired 1989 chat, Argentinean nuevo tango composer and bandoneon (concertina) player Astor Piazzolla dazzles the audience with a surprising story about the tango's origin in Argentina. He traces his musical beginnings and the "very beautiful way of feeling crazy" that resulted in his best compositions. Piazzolla also plays the bandoneon, and answers audience questions.

00:04:23
Ken Murphy, creator of A History of the Sky— a time-lapse visualization that will span an entire year—talks about his project during the After Dark event, Resolution.

00:03:50
A mouse's eye view of the main floor of the Exploratorium. Filmed at the Palace of Fine Arts location in January 2010.

01:11:25
Brian Eno is a supremely influential English musician, composer, producer, and popularizer of ambient music. In this informal, free-range chat from February 1988, Eno discusses his origins as an artist and some of the major influences in his life. He’s never short on wit or opinions, and the interview will amuse fans and newcomers alike.

00:31:00
Brian Eno is a supremely influential English musician, composer, producer, and popularizer of ambient music. In the second half of this informal, free-range chat from February 1988, Eno discusses his origins as an artist and some of the major influences in his life. He’s never short on wit or opinions, and the interview will amuse fans and newcomers alike.

00:17:15
Join exhibit developer Charles Sowers as he demonstrates Watch Water Freeze, an exhibit designed to encourage noticing. Patience with this piece is rewarded with breathtaking patterns of ice crystals. Viewed through a polarizing filter, the beautiful colors and crystalline structures of Watch Water Freeze have inspired countless museum visitors to reach for their cameras.

00:00:34
Slow motion footage of The Cauldron by Kiki at the Fire and Ice After Dark event.

00:00:52
Slow motion footage of Pyrograph, a work by Earl "Dodger" Stirling that has been described as a cross between Dante's Inferno and the Foucault Pendulum. Like a fiery version of the Exploratorium's classic Drawing Board exhibit, Pyrograph swings a pendulum across a sandy, flaming cauldron and traces out oscillating patterns in colorful fire.

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.

01:36:04
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.