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Pool: 8-ball and straight pool
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Programming
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.NET, Visual Basic
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xml
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web sites
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consulting
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learning
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teaching
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Physics
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Math
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my kids & grandkids
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IQ
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motorcycles
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chess
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travel
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anything to do with technology
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music (listening to, and creating)
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Relativity
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Cosmology
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Number Theory
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Formal Boolean Logic
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