Cassini Flight Operations is an extensive set of pages I wrote for the Cassini Public Web Site.
Space Craft International is an activity I invented 17 years ago.
My column in The Planetary Report ran in the 1990's. Some or all of it is available online here. I think a feather in its cap was the fact that Carl Sagan wrote me a letter convincing me not to end the column prematurely.
Marine Layer Climate Presentation material for a talk I give to summer students at JPL.
Silence of Mind Using my pseudonym.