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00:05:05
British artist and tinkerer Tim Hunkin takes a break from installing his latest creation for the Exploratorium — a massive, whimsical, kinetically sculptural clock featuring legions of tiny tinkerers at work — to discuss the clock’s inspiration and evolution over a proper English cup of tea.

00:06:46
With a roll of thin plastic diffraction grating and some "stolen" sunlight, artist and exhibit developer Pete Stephens transformed the interior of the Palace of Fine Arts into a dazzling riot of spectral color. As he works to recreate the effect at the new Exploratorium at Pier 15, Stephens recounts the challenges—and the inspiration—of this expansive experiment in light.

00:28:00
In this historical video from 1996, which was originally made for a museum floor installation, we learn about both the Palace of Fine Arts and the roots of the Exploratorium. This piece mixes footage from films in the Exploratorium's collection and interviews with historians, architects, and museum staff.

00:45:00
In today's webcast, Exploratorium hosts Ron Hipschman and Robyn Higdon will look at the tools and technology on the robotic arm of the Mars rover, Curiosity. What are some of the scientific instruments and capabilities of NASA's newest rover on Mars?

00:03:53
Fernando Abilleira, Ingeniero Español especializado en navegación y trayectorias quien trabaja para la NASA, describe como el astromóvil "Curiosidad" aterrizará sobre la superficie del planeta Marte en el cráter llamado "Gale", un lugar de alto inte

00:03:15
Join Dr. Russell Schnell, the director of the Global Monitoring Division of the National Oceanic and Atmospheric Administration (NOAA), as he talks about what it takes to monitor climate change.

00:03:16
Dr. John Barnes, Station Manager of NOAA's Mauna Loa Observatory, shares the history of Charles Keeling's pioneering carbon dioxide measurements, which have been taken continually at Mauna Loa since 1958.

00:49:00
Edward O. Wilson has revolutionized science and inspired the public more often than any other living biologist. Now he is blending his pioneer work on ants with a new perspective on human development to propose a radical reframing of how evolution works. Dr. Wilson visited the Exploratorium recently and spoke to staff and a group of invited students.

00:05:09
In this age of iPods and MP3s, the vinyl record (still) stands as an object of curiosity and ongoing admiration. What’s the real difference between a 78 and a 45? Why do they call it “cutting a record” when an album is recorded? Music enthusiast Wade Wright of San Francisco takes us back in time to explain the history and technology of vinyl records.

05:15
PAWS (Performing Animal Welfare Society) is an animal sanctuary founded by former Hollywood animal trainer Pat Derby and her partner, Ed Stewart, in 1984. What started as a small space intended only to care for Pat's own retired animals has become one of the largest animal sanctuaries in the world, and a very unique way of life for Pat and Ed. In this show, we focus on the unique relationship they maintain with the 8 elephants in residence.