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00:36:31
An inspiring conversation with Annea Lockwood, New Zealand-born experimental sound artist and musician known for her boundary-burning explorations of the world of natural acoustic sounds and environments.

00:03:20
This April Fools’ Day After Dark event exposed people’s threshold for taking chances. For example, visitors could test their belief in the laws of physics as a bowling ball swung toward them. They could also tackle a climbing wall, try their luck at casino games, and see if they had the nerve to carry out the instructions on a card they were given.

00:10:24
Exploratorium staff member Earl Stirling demonstrates the amazing "Pyrograph", an artwork refined over four years. Like a fiery version of the museum’s classic Drawing Board, Stirling’s "Pyrograph" swings a pendulum over a sandy cauldron, tracing out oscillating patterns in colorful fire. This mesmerizing piece evokes both the Foucault pendulum and Dante’s Inferno.

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.

00:00:36
See slow-motion footage of flames licking through ice during a demonstration by Eric Muller of the Exploratorium's Teacher Institute. Can you guess what he added to the bottom of the vessel before lighting it?

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.

01:14:06
Laurie Anderson is a groundbreaking American composer, vocalist, instrumentalist, and performance artist. She is celebrated for her multimedia performances and innovative use of technology in art. In this candid, in-depth interview from December 1984, Anderson talks about her very diverse inspirations, including her relationship to technology, her past lives, television, and handheld versus electronic instruments. She also plays samples of the music and sounds that fuel her process, as well as some of her own work.

00:00:25
Our 40th anniversary members' magazine has a cool augmented-reality cover that works with your webcam. Try it here.

00:21:06
Dr. Laura Peticolas is a physicist at UC Berkeley's Space Physics Research group. She studies the Aurora to learn more about the Earth and the workings of our Solar System. She's currently working with NASA's Mars data to understand why the Martian aurora looks the way it does. In this podcast she discusses her research, her inspiration and how and why scientists sonify data.

00:05:27
Learn how to build a version of a Brazilian instrument called the cuica, which demonstrates principles of sound. This podcast was created collaboratively in a teacher workshop at the Exploratorium.