While killing time waiting for epoxy to dry (I'm repairing one of the landing gear mounts in the wing of my P-51), I came across this document, which provides a lucid answer to a question I'm often asked these days: http://www.rain.org/~mkummel/stumpers/08dec00a.html Read More...

Anybody know why the 747 has a hump on the front? I had an aerospace professor in college who worked for Boeing before becoming a professor. He participated in the design of the 747, and he told our class why the hump, which gives the 747 a distinctive Read More...

While we're on the subject of e-mails seeking answers to technical questions, you'd be surprised at the number of e-mails I receive that could be answered by spending 10 seconds on Google. I'm amazed at the number of developers that don't know about site-specific Read More...

Everyone who writes books and magazine articles, speaks at conferences, and teaches classes gets a lot of unsolicited e-mail from developers needing help and wanting questions answered. I try to provide at least a short response to all such e-mails, but Read More...