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00:03:17
Artist Tim Hawkinson is celebrated for his idiosyncratic, imaginative artworks that re-purpose everyday materials in inventive sculptural constructions that simultaneously confound and delight. Hawkinson has collaborated with the Center for Art and Inquiry and the Studio for Public Spaces to create the third installment of our adventurous Over the Water series of large-scale artworks for the civic space at Pier 15. Bosun���s Bass is a tide-activated sound work inspired by the bosun's call, the high-pitched whistle used by mariners to give commands that can be heard over the roar of the sea. Evoking the eerie sounds of San Francisco���s maritime past, Hawkinson���s whimsical work employs elements of everyday transportation���shipping container, bus bellows, bicycle���to create a bass bosun's whistle, which is tuned three octaves lower than the traditional instrument. The shipping container, pitched vertically and installed over a hole in the deck of Pier 15, provides the lungs of the system. Tidal waters rise and fall in the container, compressing air and pushing it up into a giant bellows mounted above. The bellows, reclaimed from the pleated section of an articulated Muni bus, provides a steady source of pressurized air, which moves through a hose to the bicycle frame and there blows the bosun���s pipe. The airflow is controlled by a series of valves, levers, and other mechanisms that emulate a bosun���s hand and mouth motions to produce different sounds in the whistle. Cued by patterns cut into the tread of the bike's rear wheel, the bass bosun's pipe plays 21 different traditional calls including "Attention," "Carry On," "Swab the Deck," and "Pipe Down.���

00:02:52
The Exploratorium has been bringing solar eclipses to world-wide audiences via live broadcasts since 1998. We'll be on site again to capture the 2016 Total Solar Eclipse from the remote Micronesian island of Woleai. Join us live from Micronesia on March 8, 2016 at 5 p.m. PST either online or at the Exploratorium���s free event! www.exploratorium.edu/eclipse/ We���ll also be broadcasting the 2017 eclipse; Stay tuned for more details!

00:00:45
On March 8, 2016, 5pm PST the Exploratorium will present a live webcast of the total solar eclipse in Micronesia. Join us here online or in person at the Exploratorium.

00:14:27
Recorded live at the Exploratorium in 2015. Earth���s oxygen is produced in equal measure by terrestrial vegetation and microscopic life in the sea. Explore the profound influence of phytoplankton on the atmosphere with Exploratorium scientist Jennifer Frazier, and learn how their populations are changing along with our climate. Investigate oxygen���s physical properties and follow the history of its discovery, as well as its more breathtaking applications.

00:02:23
Science, history, and art converge in this whimsical tribute to San Francisco���s 1915 World���s Fair, which is celebrating its centennial this year. Lost landscapes from the Fair (including the Exploratorium���s former home, the Palace of Fine Arts) become the backdrop for spectral encounters. Are the spirits of fairgoers getting restless? Museum visitors who dared to enter the Black Box interacted with ethereal forces and became part of a world of ghostly apparitions that sprung to life. Just in time for Halloween, Visible Spectres took as its cue the illusion technique known as Pepper���s ghost, used in theaters, haunted houses, sideshows, and magic tricks. Do YOU see ghosts? Kerry Laitala is an award-winning moving-image artist who uses analog, digital, and hybrid forms to investigate the ways in which media influences culture. She considers this approach to making art as a type of media archeology. Laitala���s work resides at the crossroads of science, history, and technology. Her uncanny approach to evolving systems of belief manifests through an array of media including films, videos, installations, photographic works, performances, and kinetic sculpture. She studied photography and film at the Massachusetts College of Art and received her Master in Film from the San Francisco Art Institute. Laitala���s 2015 City Luminous series encompasses seven separate works (and counting), spanning the realms of installation, multi-projector performance, photography, and single-channel film, shown thus far at the Palace of Fine Arts, the San Francisco Art Institute, the California Historical Society, and in solo shows at Oddball Films and Shapeshifters Cinema. Elements of The City Luminous series have been funded by a Special Projects Grant from the Princess Grace Foundation, San Francisco Arts Commission Grant, Yerba Buena Benefit District grant, California Historical Society, and Maurice Kanbar.

00:00:34
Tune in to Resonance, a series of live performances and conversations amplifying unique frequencies of musical possibility. Season 3 begins December 10 with music from the Arab world presented by composer and performer A.J. Racy. For more information - http://www.exploratorium.edu/arts/resonance

00:06:25
Millions of people around the world struggle to live with corneal blindness���the loss of sight caused by damage to the surface of the eye. It's a treatable condition with a clear solution: a corneal transplant. This Science in the City episode will highlight the work SightLife is doing to help end corneal blindness by making transplants possible. The video will cover the whole process from corneal recovery from a donor to corneal transplant surgery.

00:01:45
Whether you want to call it a ���Blood Moon���, ���Harvest Moon��� or a ���Supermoon��� ...the rare total Lunar Eclipse happening on September 27th hasn't happened in 32 years, and won't happen again for another 18 years. If you are on the west coast the eclipse will begin at 7:11 p.m. PDT Sunday evening and will last one hour and 12 minutes.

00:02:30
No importa como la llames: luna de sangre, luna de cosecha, o super luna, este domingo 27 de septiembre tendr��s chance de ver a nuestra bella luna como nunca! Se trata de un eclipse lunar excepcional, que no ha sucedido desde hace 32 a��os, y no volvera a suceder por 18 a��os mas! ���La luz roja que ilumina la Luna durante un eclipse es luz del Sol que emana de todos los atardeceres y amaneceres en la Tierra durante ese isntante!��� ��No te pierdas el D��a de la ingenier��a en el Exploratorium y ver el espectacular eclipse lunar!

03:30:00
Join us for an intriguing evening of discussion about climate change and technology. The French-American Climate Talks (FACTS) is a conference series organized by the Embassy of France in the United States, and the Exploratorium is proud to host the San Francisco chapter. Don't miss this opportunity to see renowned scientists, prominent industry figures, and top entrepreneurs gather.