I'm a writer and I also do a lot of professional speaking on risk taking and creativity as well.

I work with a lot of different editors at different publishers and magazines and so on, and having a system of shared folders makes keeping track of things a snap.

My home office and workshop are on an overlook on the only deep river gorge on the entire length of the Mississippi River.

There are interesting scientific and historical connections between these things that I just love.

I'm really good at building things that shoot, hurl, or throw stuff.

I'm a writer and I also do a lot of professional speaking on risk taking and creativity as well.

I specialize in science and history, with a special emphasis on including do-it-yourself projects in the mix. My dozen or so books have sold hundreds of thousands of copies. I'm also a contributing editor at Popular Science and at Make Magazine.