Answer:
Because the electricity flows through and creates static bonds around the metal case which creates a bond with other fields that protects it.
Explanation:
 
        
             
        
        
        
To the Earth in less than ten minutes. 
        
             
        
        
        
B: new technology allowed microscopes to make it easier to view things that had never been seen before, such as cells
C: new technology allowed microscopes to produce still images on a computer screen
D: new technology allowed to create realistic three-dimensional pictures
E: new technology allowed microscopes to map the atom on the surface of an object 
        
                    
             
        
        
        
Answer:
Sounds cool.. but what do they do?
Explanation: