David Weigel

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David Weigel
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Temp. and density of the sun vs. height from the surface

Chromosphere - Wikipedia, the free encyclopedia

Crazy guitars

Fascinating steampunk styled guitar from Tony Cochan Guitars. Just saw this Boostercaster at the Richmond Science Museum as part of the National Guitar Museums traveling guitar exhibit.

5 intersecting tetrahedra http://mars.wnec.edu/~thull/fit.html

5 intersecting tetrahedra http://mars.wnec.edu/~thull/fit.html