The post seems to be inspired by a hot question on Math StackExchange http://math.stackexchange.com/questions/1143132/is-there-a-size-of-rectangle-that-retains-

The post seems to be inspired by a hot question on Math StackExchange http://math.stackexchange.com/questions/1143132/is-there-a-size-of-rectangle-that-retains-its-ratio-when-its-folded-in-half http://math.stackexchange.com/questions/1143132/is-there-a-s... . Probably the author should also acknowledge it?