by Len Fisher | 24 Dec 2014 | Mini Stories from Science
Take a wine glass, filled with white wine if you like, or water if it’s too early in the day or you don’t drink wine. Shine a bright light from one side (in the pictures here it’s an LED torch; you can see the reflection of its multiple elements near the bottom left).... 
by Len Fisher | 15 Dec 2014 | Mini Stories from Science
I once visited the Hospital for Traditional Medicine in Lhasa, where the walls are lined with 76 huge thangkas – pictures that illustrate the processes by which the body is supposed to work, and which are used as an aid in diagnosis and treatment. The head of the...