Search over one million articles, find something about almost anything! |  |   |  | 
 |   
 
 
      
  
                         
 |    | 
                    
                     
| 
Dynabee |  
| 
 
... the axis is slipping around inside the groove, the friction between the axis and the groove rims will accelerate or brake the spinning gyroscope, with a maximum effect when ...  |  
  |   
 
      
  
                         
 |