Space: Getting Around by Voice Control

Outside his orbiting capsule in his own space suit, an astronaut will be a man beset by problems. A brief pulse of power from a backpack rocket will start him moving in any direction he desires, but it will take another carefully calculated pulse to stop him, still others to move him up, down, backward or into a turn. How will he handle the continuous need to control his versatile little rocket without letting that one job keep him too busy for other useful work?

Answers to such questions fill a 287-page data-packed report to the National Aeronautics and Space...

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