Welcome.

My collection about the past and present with thoughts for the future: quizzes, books, articles, E21NS, Energy in the 21st Century, Do the Math!, The House of Words, ...

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E21NS is a link library, directing readers to interesting articles on energy from news outlets around the world. Do The Math! is available in paperback and Kindle versions from the publisher Sage Publications, on-line at Amazon.com, and at local book stores. The House of Words is available on Amazon Kindle. Coming soon: Energy in the 21st Century.