4 ms·
The 'Relativity' one is also quite nice: http://www.andrewlipson.com/escher/relativity.html http://www.andrewlipson.com/escher/relativity.html
by bjz 14y ago
The 'Relativity' one is also quite nice: http://www.andrewlipson.com/escher/relativity.html http://www.andrewlipson.com/escher/relativity.html