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This week's secret ingredient was lightbulbs! Cheer on the competitors in this zany science cook-off. Teachers compete before a live audience at the Exploratorium for the revered title, "Iron Science Teacher."

00:02:14
View some of the spectacular underwater footage captured by the Little Hercules ROV on July 2 during the Indonesia-USA Deep-Sea Exploration Expedition.

00:01:57
View some of the spectacular underwater footage captured by the Little Hercules ROV on July 1 during the Indonesia-USA Deep-Sea Exploration Expedition.

00:03:06
This video shows some of the stunning imagery captured by the high definition cameras on the Little Hercules ROV on June 30, 2010 during the vehicles second dive down to Kawio Barat volcano.

00:37:00
Cheer on the competitors in this zany science cook-off. Teachers compete before a live audience at the Exploratorium for the revered title, "Iron Science Teacher." The Exploratorium's Iron Science Teacher competition showcases science teachers as they devise demonstrations around a particular "secret" ingredient—and today's secret ingredient was oil!

01:03:00
This presentation, originally recorded in 1992, is a meditation on a lifetime dedicated to music. The renowned Hindustani classical music master Ali Akbar Khan recounts the earliest days of his musical study with his father (including his 18-hour practice days); how he chose to play and master his instrument, the sarod (maybe it chose him); and how music can be a healing force. He plays the instrument and explains how it works and how it’s different from the more well-known sitar. Khan also discusses the founding of his music school in San Rafael, California, a manifestation of his philosophy that knowledge of music should be shared with others.

01:03:00
A concert performed by the renowned Hindustani classical music master Ali Akbar Khan on sarod, recorded in 1992.

Join the Exploratorium as we connect live for the first time with NOAA's newest ship, the Okeanos Explorer. The Okeanos is on its maiden voyage, traveling from Hawaii to Indonesia. We will talk with scientists on the ship and discover what kind of research they are conducting.

00:02:20
NOAA Chief Scientist Steve Hammond and Okeanos Commander Joe Pica introduce us to the capabilities of the new NOAA research vessel, the Okeanos Explorer, as it sets out on its maiden voyage to Indonesia. ROV footage and maps courtesy of NOAA Office of Ocean Exploration and Research.

00:02:15
This After Dark event examined time's many faces through activities and presentations featuring honeybees, jump-shot photography, antique timepieces, and a performance by Gamelan Sari Raras.