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 travel internationally a lot and I have a hard time sleeping and staying awake normally after crossing multiple time zones, especially going east. I've tried light therapy but not found it too helpful.

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

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.

I get some of my best ideas while out walking.

I started a funny book from the 1930s called The Code of the Woosters by P. G. Wodehouse. Wodehouse is a comic genius.