There must be another way... (of course there are, so many!)
Not the most familiar way, considered obscure, but with some nice features.
World maps as a math application: we get GIS / GPS in the mix early in Quaker schools. https://t.co/qvfhzZDsnJ (but in other schools too).— Kirby Urner (@4DsolutionsPDX) August 15, 2016
We go from Unit Volume Tetrahedron (UVT) off the deep end into late 1900s American History, a tumultuous time. Sociopolitical theories. #4D— Kirby Urner (@4DsolutionsPDX) August 15, 2016
