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          This image was selected as  picture of the day on the  English Wikipedia for  August 28, 2005. | 
         
        
        
        
        
       
        
         
          
           
            
             
              
               
                
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        The original  Image created by  Jeremykemp was selected as Picture of the Day on the English Wikipedia for  August 28, 2005.
        
         
        
        
         
          
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        Mouse
        Created in Adobe Illustrator and Photoshop Elements by Jeremy Kemp, 2/10/05
        
         - 1: Pulling the mouse turns the ball.
 
         - 2: X and Y rollers grip the ball and transfer movement.
 
         - 3: Optical encoding disks include light holes.
 
         - 4: Infrared LEDs shine through the disks.
 
         - 5: Sensors gather light pulses to convert to X and Y velocities.
 
        
        
         
 Background info from  http://computer.howstuffworks.com/mouse2.htm
        
         
        
        
         
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        Originally uploaded by  Jeremykemp 01:35, 15 February 2005
        
        
        
       File usage
       
        The following pages on Schools Wikipedia link to this image (list may be incomplete):
        
        
       
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