Just found out when I tried physics I learned in olympiad class.		
				
			
					
	 
	
	
	
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			Well, without the BIZS the photons also go through the glass. 
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			The bizr is solid, you dont need the glass and the photons go straight through it upon taking the glass away 
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			that is to keep it from falling 
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			it is fake since there is glass near the bizr