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00:02:00
See the subtle, mesmeric effects revealed by slow-motion observation of three iconic exhibits: Circling Wave Umbrella, in which spinning fabric forms pockets of swirling air; Rift Zone, a miniature geothermal landscape created by air bubbling through fine sand; and Vortex, a swirling vortex of water in a hydrodynamic dance with gravity.

00:05:08

The Wave Organ is a wave-activated sound sculpture located at the end of a jetty in the San Francisco Bay. It was created by artist Peter Richards and master stonemason George Gonzalez in 1986.

The installation is an unlikely sight: a collection of curbstones and cemetery stones that appear in the Bay like an ancient ruin or a strange dream. In this unusual place of discovery and contemplation, the musical phenomenon is only part of the point.

In this audio slideshow, Peter Richards, now a senior artist at the Exploratorium, shares his inspiration for creating this piece and explores its function as a theater in which many different kinds of human experiences unfold.


00:04:52
Newton wasn’t really ready to believe that light was a wave, and so he didn’t see what was in front of his eyes. Staff physicist Paul Doherty tells how to do the same experiment that Newton did back in the 1650s to see the wave nature of light.

0:16:17
In these archived webcasts from inside the American Association for the Advancement of Science (AAAS) exhibition hall, watch as Exploratorium senior scientist Tom Humphrey challenges some of the top scientists in the world to explain the phenomena behind selected exhibits from the museum floor. In this webcast: the String Squirter exhibit, as explained by a guest physicist Leon Lederman.

0:29:37
In these archived webcasts from inside the American Association for the Advancement of Science (AAAS) exhibition hall, watch as Exploratorium senior scientist Tom Humphrey challenges some of the top scientists in the world to explain the phenomena behind selected exhibits from the museum floor. In this webcast: the String Squirter exhibit as explained by physicist and Nobel laureate Leon Lederman