via smartplanet.com
Find it hard enough to make contact with a tennis ball? Try doing it just based on the sound the ball makes when it hits the ground. Tennis for the blind seems like a fantastical notion. After all, when sighted people have a hard enough time making contact with a little ball that’s whizzing through the air, how could a blind person be expected to do so without the benefit of sight?
But a new kind of tennis ball filled with ball bearings that rattle every time it hits the ground or a racket is making it possible for the blind to play.
Watch the video below to see a blind tennis tournament.
