Did you know that the Presidio was founded in 1776 and is an active archeological site? Imagine how it may have looked nearly 250 years ago! To learn more, here’s a Science in the City video we made: 続きを読む
Bring a magnet! We love to collect “black sand” or magnetic mineral magnetite at Ocean Beach. Drop a magnet inside your plastic cup & wave bottom of the cup just above sand to attract minerals. Demo: 続きを読む
Try riding down on parchment paper! The less resistance your ride has on the slides, the faster you'll go. 続きを読む
Did you know that San Francisco has last permanently operating, manually operated cable car system in the world? Check out our Science in the City video to learn more about SF's cable cars! 続きを読む
Spot a wig! Sometimes it can take weeks to complete just one wig. Learn about the Wig Master of the world-renowned San Francisco Opera from our Driven: True Stories of Inspiration video series, here: 続きを読む
This farm was once a freeway! Drop in Wednesday, Thursday, or Sunday, noon–5:00, to volunteer. Learn about how this little utopia evolved in this episode of “Driven: True Stories of Inspiration”: 続きを読む
Did you know this rock wall is one side of a fault? Feel it! This smooth surface is called "slickensides." It was polished during eons of years of fault motion. Our video features this wall at 4:15. 続きを読む
This is the only "off the grid" building in San Francisco! You can learn about this amazing place and the people who run it by watching this episode of ”Driven: True Stories of Inspiration”: 続きを読む
Don't fight the current! For an easier swim, go out at low tide and return as the tide comes back in! Learn from the pros, a/k/a "The Old Goats," in this video from our Driven series: 続きを読む
In movie theaters across the country, film projectors are being replaced by digital projectors. Have you watched a 35 mm film projection at SFMOMA yet? Projectionist Paul Clipson gives us a tour: 続きを読む
"SF has more restaurants per capita than any other U.S. city, producing tasty meals—and thousands of gallons of used cooking oil. See how SF Greasecycle is turning this oil into fuel for MUNI buses: 続きを読む
In this age of iPods and MP3s, vinyl records are still objects of curiosity and admiration. What's the difference between a 78 and a 45? What exactly is "cutting a record"? Find out from JRC owner: 続きを読む
Beneath the 100-year-old piers, highly specialized divers are working to repair and restore the 1,200 concrete piles—sunk into the bay mud—that support the piers! Learn what they do: 続きを読む
Dropping off your garbage, recycling, hazardous waste or oversized junk today? Take a trip behind the scenes of the San Leandro Waste Management facility in this episode of Science in the City! 続きを読む
Did you know that Doyle Drive was built in 1933? Now too narrow for the amount of traffic and in need of a seismic upgrade, it’s being replaced by the new Presidio Parkway! We investigated: 続きを読む
