XOR or ⊕ - a type of logical disjunction on two operands that results in a value of true if the operands, or disjuncts, have opposite truth values. A simple way to state this is "one or the other but not both."
Wednesday, July 17, 2013
Venus Pattern
Venus orbits the Sun 13 times for every 8 Earth orbits. If you track the relative positions of Earth and Venus over an 8 year period, this is the resulting pattern.
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