A few years before the turn of the 21st Century, the Dutchman Edo Timmermans started programming the computer to search for interesting 8-piece dissections of cubes that realize the identity 33 + 43 + 53 = 63 . Here we see him demonstrating one of his wonderful models in a classroom setting in May 2008. It's difficult to tell how fast he's manipulating those pieces!
Check out some photos of his 3-dimensional dissections on the webpages:lovely wooden cube models
lovely parallelopiped models
remarkable cube model with two interlocking pieces
Copyright 2010, Greg N. Frederickson.
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Last updated June 15, 2010.