The United States experienced its first cross country solar eclipse in almost 100 years a few days ago. If you were a amongst one of the lucky ones in the 70 mile wide strip of totality, you saw an amazing spectacle. But elsewhere like in Atlanta Georgia, even though the sun was 97 percent blotted out, there was hardly any change in the amount of sunlight that we can see. What that showed us was that 97% does not equal 100%. Listen on to explain why that is so important.