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: Read more.
Did you know that the Golden Gate Bridge expands or contracts as the air temperature changes? It can rise or fall up to 16 feet! Try using the GGB as a thermometer the next time you're at Fort Mason: Read more.
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: Read more.