TV-PG
S1 • E3 Jul 24, 2008 45mSince the Egyptians invented them three thousand years ago, power tools have transformed the face of the earth. As we trace their evolution, we find out their hidden commonalities: from power tools that slice mountains in half to new breakthroughs in nanotechnology that enable them to literally split hairs. Follow the life of a power tool as it goes from an idea to our garage shelf as we discover how they're being used in surprising ways in sports, medicine and art.
