Author. speaker retired physics teacher (akaSheldon of Big Bang Theory) and interested in a wide range of topics

physicsi0 (Male) from UK, Paisley

written textbooks been to NASA not just on a tour .

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Age	75
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Location	UK, Scotland: Renfrewshire, Paisley

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Author. speaker retired physics teacher (akaSheldon of Big Bang Theory) and interested in a wide range of topics

physicsi0 (Male) from UK, Paisley

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