News
The British mathematician Charles Howard Hinton introduced people to the fourth dimension using a practical approach: a climbing frame.
You write about complex electric circuits used to represent a fourth physical dimension (17 October, p 40). For a lighter take on a fourth dimension, read “–And He Built a Crooked House–” by Robert A.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback