Gasoline price history - This area contains a history of gasoline prices in parts of Texas for the past 40 years based on what I paid at the pump. Most recent tank: July 23, 2020.

1979 Chevrolet Corvette Info - Contains pictures taken when the car was new that may be useful to restorers plus a complete history of its gasoline usage. Last modified February 18, 2006.

BMW 318ti performance, fuel economy info, repair history and interior temperatures - Includes fuel economy data over the life of my 318ti including how speed affects the mileage. Also includes some performance data measured with a homemade accelerometer, a list of the repairs the car has needed since I bought it and some plots showing just how hot the car got inside on a sunny day. Latest data: December 20, 2015.

Alfa Romeo 4C fuel economy and service data - Includes fuel economy data over the life of my current car plus records of regular maintenance and repairs. Latest data: July 23, 2020.

Car tire wear rate - Measurement of the wear rate of the tires on my 318ti. Latest data: July 30, 2011.

My Radioactive Vacation - Radiation contours and pictures from Trinity Site (where the US exploded the World's first atomic bomb in 1945) and elsewhere on my 1998 vacation. Last updated May 6, 2006.

Gamma-Ray Spectra - An attempt at measuring the gamma-ray spectra of common radioactive household products. Last updated September 12, 2004.

Space Shuttle Reentry Pictures/Sonic booms - Photos taken of the reentry of STS-51, STS-82, STS-93 and STS-103 as seen from the southern edge of Houston, Texas plus recordings of the STS-105 and STS-116 sonic booms. Last updated December 31, 2006.

Local Light Pollution Contours - Plots of light pollution in the Santa Fe and Clear Lake City areas of Galveston and Harris county, Texas. Latest update: March 5, 2006.

Hurricane Rita evacuation - Data from an unpleasant 19 hour drive to avoid a hurricane in 2005. Last update: September 26, 2005.

Hurricane Ike data - Measurements of wind speed and direction plus barometric pressure during Hurricane Ike in September, 2008. Last update: November 12, 2008.

Not of general interest/outdated: League City, Texas weather data - Weather data recorded with an amateur weather station in League City, Texas. Includes a description of the hardware and software used. The instrument itself wasn't reliable and died for good in 2008.

Computer noise - Noise distribution in my bedroom with the computer running. Last updated November 11, 2002.

CCD Images - Here's some ancient pics. Last updated August 23, 2017.

Gnome site aerial shots - Last updated February 20, 2001.

Sierra Madera Meteor Crater - Last updated May 29, 2001.

Thermochron and Hygro iButton data - Last updated July 13, 2001.

GPS data - Last updated January 1, 2008.

Macintosh Freeware - Download a couple of things I wrote long ago. Last updated April 6, 1996.