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Interesting Discussion on Lithium Battery Fire Hazard (mathscinotes.wordpress.com)
1 point by danalec on Oct 21, 2014 | past
Battleship Rangefinders and Geometry (mathscinotes.wordpress.com)
91 points by SuperChihuahua on July 18, 2014 | past | 6 comments
The Power of a Simple Magnifying Glass (mathscinotes.wordpress.com)
1 point by mofeeta on May 20, 2011 | past

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