| the square of mass Newton's law of universal gravitation contains a term that is the square of mass; for example, between an apple and the earth or between the earth and the sun.
for m1m2= m1-m2, there are infinite values for both that satisfy the equation.
When one mass equals zero then the other must also be zero. When one is very large the other approaches unity or normalization.
This might be the same duality principle in superstring theory that Ed Witten mentioned before in his talk on the unification of all the other string theories.
Last edited by AntonioLao; 03-05-2005 at 05:23 PM.
Reason: additional information
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