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00:19:43
Recorded live at the Exploratorium 2015 Helium is the second most abundant element in the universe. Then why is there a global helium shortage? Follow the trail of our spendthrift affair with this elusive noble gas, and find out why its future remains up in the air. Learn about helium’s many uses, from cooling magnets in MRI machines to enabling deep-sea divers to safely breathe under pressure.

00:25:23
Featuring: A People's History of the Periodic Table with Paul Stepahin

00:09:00
Buried in a cove that later became downtown San Francisco, a Gold Rush-era cargo ship lay lost and forgotten underground until it was exposed by construction in 2013. Marine archeologists and historians share stories of the discovery, excavation, and preservation of this humble yet significant 23-foot maritime artifact, unique among the oldest intact boats in the United States.

00:30:00
Neutrinos can escape from extremely dense environments around black holes or the heart of a star, and thus carry unique information on the most violent processes in the universe—and may shed light on the nature of dark matter.

50:37:00
Baltimore-based musician and composer Dan Deacon hooks listeners with strong melodic lines, immersed in a sea of competing rhythmic structures, distorted sound samples, and synthesized and acoustic textures. His Resonance performance at the Exploratorium featured the Disklavier, an electronic version of the player-piano. Deacon is influenced by the work of composer Conlon Nancarrow, who pioneered the use of player-pianos to explore music unplayable by human hands. To see more videos from our Resonance series, go to: exploratorium.edu/resonance

00:02:40
Inspired by the works of Bob Miller (1935–2007), natural philosopher, light artist, and Exploratorium icon, Actual Reality invites us to wade into a sea of images and sounds and, through attention, catch slippery, individual moments of reality. During this multimedia performance, a video recreating one of Miller’s “Light Walks”—outdoor explorations of sunlight resolving into images through both naturally occurring pinholes and ingenious props—flows behind musicians improvising from a simple, expansive score. Through a combination of live performance and technological interventions—including a heliostat prototype Miller originally used for tracking the sun—lucky dragons playfully resolves these visual and aural streams into unique experiences of repeating elements. Actual Reality is presented in conjunction with "Light Walk: The Work of Bob Miller," an exhibition at the San Francisco Public Library on view through February 5, 2014. lucky dragons is an ongoing collaboration between Los Angeles–based artists Sarah Rara and Luke Fischbeck. Active since 2000, lucky dragons is known for an open and participatory approach to making music, radically inclusive live shows, and playful, humanistic use of digital tools. luckydragons.org

00:26:04
Join us for a interview with Dan Decon. This Baltimore-based musician and composer hooks listeners with strong melodic lines, immersed in a sea of competing rhythmic structures, distorted sound samples, and synthesized and acoustic textures. Dan was with us at the Exploratorium on December 12, 2014, for this conversation with Resonance curator Wayne Grim, and a fantastic music performance. To see more videos from our Resonance series, go to: exploratorium.edu/resonance

01:19:30
An evening of compelling discussion about the future of education moderated by Michael Krasny, host of KQED’s award-winning program Forum, featuring panelists Executive Director Dennis M. Bartels, PhD; Lucien Vattel, CEO of GameDesk; and Matt Wahl, Product Lead at Khan Academy, hosted at the Exploratorium.

00:00:40
Science of Cocktails at the Exploratorium is back for our fifth annual celebration! Join us on Friday, January 30, 2015, for an evening that mixes the artistry of craft cocktails with the science behind the beverage. Taking an in-depth, hands-on look at the physics, chemistry, and biology of cocktails, explore your favorite libations in ways you've never experienced before. For tickets go to http://cocktails.exploratorium.edu

00:02:25
Join the Exploratorium's very own Ken Finn as he demonstrates fun activities, mixing up science with items found around the house.