.
.

THINKWALKS.ORG

Set up a classroom discussion or a custom tour for your class or group.

Recent Thinkwalks articles…Show all

Earthquake Measurement – Lecture Notes

July 24th, 2014

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.

Clementine’s Little Sister

June 25th, 2014

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 [...]

Contact
 

 
  • Do you know what natural waterways course beneath your feet? Find out on a Water Walking tour!

  • Chance of rain, blasting fog or unseasonably sunny? Learn to predict SF weather!

  • Truly crappy weather cancels a tour. Call to find out or learn how to read the weather!

  • They're really nice, warm hoody sweatshirts…and they map out the Wiggle! Buy one while supplies last.

  • Set up a classroom discussion or a custom tour for your class or group.

  • Yelp reviews for Thinkwalks have been so good, the Yelp filters are about to crash!

  • Add your email address to our list and get deep SF facts monthly.

  • If you enjoy your Thinkwalk, blog about it!