What is all this talk about drones? These flying robots can be quite tiny, and some are as large as massive commercial aircraft. NOVA has crafted this timely documentary that looks into their commercial and military uses. They were able to draw on rare access to drone engineers and those who fly them for the United States military to create this unique portrait. Over twelve individuals are...

Spies that Fly is a NOVA episode that originally aired in January 2003. This page of the television broadcast's online companion provides a fascinating historical account of unmanned aerial vehicles (UAV's). It will probably come as a surprise that the earliest UAV listed on this site was flown over four decades before the first manned airplane took off. From their modest beginnings, UAV's have...