On Nov 6, 2015, at 7:50 PM, arnold140@verizon.net wrote:

Rimmer:

In simple terms as you move further away from a source of light or other form of energy it gets weaker based on a formula.

"In physics, an inverse-square law is any physical law stating that a specified physical quantity or intensity is inversely proportional to the square of the distance from the source of that physical quantity."

Arnold

On 11/06/15, Rimmer deVries wrote:

What is this inverse-square law for light ?

Rimmer
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