Do you know how to make a working engine from soda cans? You do now! The Quick and Easy Stirling Engine book will show you every detail you need to know. There are no difficult secrets and no expen
This book will guide you step-by-step through the process of building three low temperature differential (LTD) Stirling Engines for less than $30 each. Two of them are efficient enough to run from th
101 Fun Things To Do With a GoProR Camera will inspire your creativity and spark your imagination. The GoProR camera is the biggest innovation in photography since the advent of digital cameras. The p
