Do you know what natural waterways course beneath your feet? Find out on a Water Walking tour!
I really enjoyed learning about the way that seismologists relate to earthquakes. Julian Lozos gave a talk at the Randall Museum on July 17th and here are my notes.
The best part was coming to understand how mathematical modeling is based on so many different measurements. And each measurement has its limits and peculiarities. I kinda also liked his confession that many seismologists believe the chaos in the system might permanently inhibit accurate quake predictions from ever being possible.
I was in a canyon in the Gold Country last weekend, at the Yuba River researching my usual, the storm of 1862. And going for a nice swim. The Bridgeport covered bridge has signs saying it was built to replace the one washed away by the storm.
I marveled at the beauty of the canyon, saw a sign about gold panning regulations and found myself singing, “In a cavern, in a canyon, excavating for a mine….” I suddenly wondered, Is this song about the flood!? Is this yet another clue to [...]
How are Laguna Honda and Stow Lake related? Find out on a Watersheds of Laguna Honda tour!
Find out about the complex radical ideas that started the SF mural trend. Request a Social Justice Murals tour for your group.
Where was SF founded? Find out on a Walk the Wiggle tour or a Mission District Water Walking tour.
From 7th Ave. to the Pacific was once windswept open dunes; find out how and why it was transformed on a Golden Gate Park Outside Lands tour.
Check out what Yelp reviewers say about Thinkwalks!
Your nerdy site deserves to have a link to thinkwalks.org!
Yelp reviews for Thinkwalks have been so good, the Yelp filters are about to crash!
Chance of rain, blasting fog or unseasonably sunny? Learn to predict SF weather!