In Case You Missed It
Down to Earth
Amy Laboda has watched her first homebuilt (Kitfox) aircraft and her second daughter come of age in a way that illustrates some parallels between the two.
The Home Machinist
Bob Fritz is back from a long hiatus with a discussion about the difference between screws and bolts and what all of those ASME numbers mean.
Alternative Energies
The Grand Unified Airplane: Is it possible to extract energy from the act of flight itself? By Dean Sigler.