Knowledge Handler

Information Sources & Information Sifting Techniques

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Location: Cleveland, Ohio, United States

I am a retired librarian, most recently serving at Indiana Wesleyan University's Cleveland Education Center.

Monday, June 30, 2025

Burt's Solar Compass

Alexis Dahl explains the invention of Burt's solar compass .

-DD

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posted by David Dial | 11:09 AM | 0 comments

Tuesday, May 20, 2025

Sudbury Impact Crater

Tia Ghose shares what is known about the origin of Canada's Sudbury Basin , an ancient mineral-rich comet or asteroid impact site with a crater greater than 30 kilometers in diameter. A detailed analysis of the Sudbury Impact Structure was authored by Charles O'Dale.

-DD

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posted by David Dial | 8:03 AM | 0 comments