Penrose Railway Maze 3

Get from A to B, moving only over smooth lines, without reversing and making sharp turns.

Artist: Roger Penrose

The solution is shown below.

Sir Roger Penrose (1931) is an English mathematical physicist, mathematician and philosopher of science. He is Emeritus Rouse Ball Professor of Mathematics in the University of Oxford and Emeritus Fellow of Wadham College, Oxford. Penrose has made contributions to the mathematical physics of general relativity and cosmology. He has received several prizes and awards, including the 1988 Wolf Prize for physics.