Palmtop planes

摘要

"Reconnaissance videos look the same whether they are taken from an aircraft the size of a jumbo or one the size of your hand," Stephen Mprris tells his audience. "This is the kind of thing you can do." He turns to face a giant video screen as it flickers into life. And there on the screen is Morris in a park in Palo Alto, California, launching an aircraft so small that it disappears from view within seconds.