Part scrambling, part swimming, part cliff-jumping, coasteering allows you to explore the inaccessible and rocky parts of the ...
Bill Rollins Jr., 97, wrote and self-published 'Trisecting an Angle,' to try to share his solution with the world.
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Can You Solve The Latest Math Puzzle Circling The Internet?
We all love a mathematical brainteaser here at IFLS. Monty Hall? Done it mate. Two circles shoved into a quadrilateral of unknown size? Been there, solved that. Some Singaporean kids’ seemingly ...
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