Why can humans see through air and not solid objects?

Subject: Why can humans see through air and not solid objects?

Date: Sat Sep 19 11:32:36 1998
Posted by Kaiser
Grade level: 10-12
School: No school entered.
City: No city entered. State/Province: No state entered.
Country: US
Area of science: Physics
ID: 906222756.Ph

Message:


Mad Science
         Solids and air are made of atoms, but what makes them so different 
from each other to be able to see and walk through one and not the other?   
Concidering that atoms are and estimated 95 % space, why can't we walk through 
both types of substances?

Re: Why can humans see through air and not solid objects?

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