Dear Reader, we have launched our End-of-Year Fundraiser! We are a not-for-profit endeavour that relies on donations from our wonderful community of readers, so drives like this are essential to our survival. If you like the project, and would like to see it continue, then please do consider donating. We really do need your help. Click here to learn moreHide

Notes on the Fourth Dimension

Hyperspace, ghosts, and colourful cubes – Jon Crabb on the work of Charles Howard Hinton and the cultural history of higher dimensions….more