"We develop computer-guided parachutes for the military. I test every new design we make. I'm very focused. I have a routine that I do, making turns, seeing how the canopy maneuvers, collapsing and reinflating it. Everything happens in milliseconds, and no human can take it all in. So I created a data logger and software to determine things like the glide ratio and the 3D flight pattern.
Standing in the plane, I'm always scared. The day I'm not I'll stop jumping, because that's when you get complacent. But once I jump, I'm in heaven." --Daniel Preston, Brooklyn, N.Y.
As told to Susan Price