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00:03:06
What happened to your stacks of wax? From handmade record players to DJs scratching new sounds, explore unique uses of an old-school material.

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.

00:03:53
Senior Exploratorium Scientist, Paul Doherty demonstrates how you can make your own sun viewer. You can safely view sunspots, eclipses and transits with this equipment that you may have laying around the house! To learn more about the upcoming Transit of Venus visit: http://www.exploratorium.edu/venus/question3.html

00:06:39
Beneath the 100-year-old piers that will soon house the new Exploratorium, highly specialized divers are working around the clock to repair and restore a part of the museum that most people will never see: the 1,200 concrete piles—sunk into the bay mud—that support the piers.

00:01:48
Every winter, the Exploratorium’s Science of Cocktails event presents the artistry of master mixologists shaken with the science behind the craft. Guest mixologists will join us from popular San Francisco bars to mix delicious cocktails, while guests participate in interactive science experiments about alcohol, inebriation, hangovers, cocktail creation, and more. Music by Wayne Grim

00:04:10
San Francisco has more restaurants per capita than any other U.S. city, producing tasty meals—and thousands of gallons of used cooking oil. See how the SFGreasecycle program is turning this grease glut into fuel for the city's bus fleet.

00:02:25
Originally produced for NOVA in 1982, Jon Else's film, "Palace of Delights" takes a look behind the scenes at the Exploratorium in action.

00:00:40
This After Dark, we celebrated the allure of real rocks, paper, and scissors, and explored some surprising theories surrounding the game. Using the official rules of the World RPS Society, we hosted our own Rock Paper Scissors tournament.

02:12:00
Dr. Frank Oppenheimer discussing the origins of the Exploratorium Explainer Programs.

00:01:53
The waters of San Francisco Bay are making a dramatic comeback as workers slowly remove a 1950s-era paved deck from between Piers 15 and 17 on the historic Embarcadero, at the site of the Exploratorium’s new home. In early November 2011, the east bridge, dedicated to the Fries family by San Francisco philanthropist Bill Fries, was put in place, connecting the terrace of the new Pier 15 Bay Observatory building to the adjacent side of Pier 17. When the museum opens in the spring of 2013, this bridge will offer prime views of the City and the Bay.