Batteries, biomass, petroleum, natural gas, and coal are examples of stored chemical energy
        
                    
             
        
        
        
"The advantage of interferometry for optical astronomers is that it can provide measurements of stars with a higher angular resolution than is possible with conventional telescopes. ... An optical interferometer does not produce direct images of stars and typically has only a rudimentary ability to make images.
        
             
        
        
        
4 and F, 9and E r 2 of the answers