Timeline with summary of my posts
Pick a category if you are only interested in one.
- All
- 180
- 2010
- Accessibility
- Berkeley politics
- Bicycles
- Book recommendations
- California History
- Chemistry
- Computers and the web
- Dining and eating
- Education and schools
- Environment
- General
- Geology/earthquakes
- Grading
- Grading software
- Healthy living
- Humor
- Life sciences
- Math education
- Modeling
- Peace
- Physics
- Poetry
- Politics
- Race relations
- Science Education
- Science hikes
- Summer 2007
- Summer 2008
- Trampleasures
- Travels
- Weather
Timeline of my posts
Death Valley geology hiking/camping trip Dec 2021
Explore Death Valley with a group of hikers interested in examining the geology of the park. The trip is December 28, 2021 through January 1, 2022.
Fuel savings calculator for driving 55 on highways
When my school returned to in-person teaching in May, I started a short daily commute with about 13 miles on a highway with no traffic slow-downs (teaching has its advantages: early start means before most commuters). I started recording the fuel efficiency (miles per gallon) during the highway drive each…Read More
Lava Beds & Tule Lake geology hiking/camping trip; July 2021
Lava Beds & Tule Lake: July 11-14 Continuing our July northeast California trips, we will spend four days exploring Lava Beds National Monument, plus the Tule Lake National Monument. Katie and I are leading another hiking/camping trip with our Meetup group. If you would like to attend, space is limited…Read More
Mt. Lassen and Lava Beds geology hiking/camping trip; July 2021
Three-day geology focused hiking in the Mt. Lassen area in Northern California. Nights spent in a group campsite.
Cardstock paper bridge competition
In my physics classes at Menlo-Atherton High School, we used a homemade bridge breaker to test the strength of student bridges. Students created bridges out of manila folder paper and hot glue. Maximum height are provided, and the distance between the two landing is specified, but in the end the…Read More
More videos for buggy lab from home
This page contains links to 14 videos of buggies moving next to a tape measure. A stopwatch is mounted on each buggy, so students can collect position and time data as the car moves.
Videos for buggy lab from home
With COVID-19 requiring many of us to do remote teaching this fall, I wanted to provide videos that students could use at home. I shot these videos with a cell phone gimbal to stabilize the video.
Bicycle touring on the West Coast of USA
The Pacific Coast Bike Route I’m not sure when the first official bike route was created for the Pacific Coast, but it was well known when I first rode it in 1977. Resources Adventure Cycling Association “Pacific Coast” breaks the Vancouver BC to Imperial Beach in San Diego down into…Read More
Death Valley online tour: COVID-19 social distancing
Using Google Earth as the tour map, and combining my knowledge from the trips I have taken there with my photos and YouTube/Vimeo videos, I organized an online tour for of Death Valley April 15th, 2020. Below are images and videos from that tour (I hope to add a Google…Read More
Zoom + Whiteboard = almost in the classroom
As we move forward with online learning due to the COVID-19, I'm offering Zoom-based office hours. There are high-tech ways of sharing screens, etc, but I decided to use a low-tech solution to share drawings with my students.