Nothing invokes a headache like watching a poorly shot video.
As the images bob up and down, in and out, and side to side, the nausea of motion sickness strikes. Until now, the only cure was to close your eyes. Dr. David Hathaway and Paul Meyer, two scientists at NASA's Marshall Space Flight Center, have a better prescription. Computer and video images are made up of tiny squares of color called pixels. By registering on an object in the image, the pixels from several video frames can be lined up together.