New on Relative Dimension: The perils of shrinking people - Planet of Giants.

New on Relative Dimension: The story of the guillotine - The Reign of Terror

New on Relative Dimension: The reality of telepathy - The Sensorites

New on Relative Dimension: How to predict an eclipse - The Aztecs

New on Relative Dimension: How to teleport - The Keys of Marinus

New on Relative Dimension: How to survive in the desert - Marco Polo

New on Relative Dimension: Going crazy in space - The Edge of Destruction

New on Relative Dimension: Radiation, fallout and mutation - The Daleks

New on Relative Dimension: Religion in the Stone Age - The Tribe of Gum

Relative Dimension, my new blog about the science of Doctor Who, one story at a time, has now gone live.

If you've ever wondered how a box can be bigger on the inside than the outside, check out the entry on An Unearthly Child.