A long history
The stars have been getting harder to see for a long time now.
The sky is gone
The inefficient astronomer
Unnatural mathematics
The problem problem
A pursuit curve
Answering the problems you get in class is less difficult than posing them in the first place.
Tilting at windmills
A small tool
Beyond our expertise
Non-programmers
Attempting the impossible (II)
Parallel lines
We continue to wonder what good can come of trying to do what can’t be done.