Bob Collins
Bob worked for Minnesota Public Radio for 27 years, until his retirement in 2019. He now lives to give baseballs to kids as an usher at Target Field, works on an airplane he is building, and a camper he bought for Oshkosh.
In Case You Missed It
Material Matters-Aluminum
Aluminum is usually marked by the manufacturer to indicate the alloy and temper....
Metal Magic: Driving and Squeezing Countersunk Rivets
Paul Dye explains how to both drive and squeeze flush rivets and offers handy tips to getting good, repeatable results.
