We are all the Tin Woodman [Revised]
In what sense are we the same person today as yesterday? (4100 words)
Category: science
Stardust dreams
We should aspire to go to the stars, even though they might remain forever beyond our reach. (abt. 900 words)
The shape of things to come
Why did non-Euclidean geometry take so long to find its way into physics? (7700 words)
The Icarus Question 