Making an Arduino shield can be simpler than you think. This time I designed one to program Attiny and Atmega ...

Making airplanes with foam board is really handy since this material is very cheap, easy to work with, and durable. It's the same material the channel Flite Test uses in their builds. I recently tried ...

Robert Kelly is managing director of XTS Energy LLC, and has more than three decades of experience as a business executive. He is a professor of economics and has raised more than $4.5 billion in ...