Knowledge and its uses
Knowing how to do something, and doing it, are not the same thing.
Articles Tagged with physics
In the back of the book
Knobology
The prepared mind
Four elements, four humors
Before the revolution
We conclude that it can be useful to teach something that is actually wrong.
Degrees of difficulty
Impossible, inevitable and in between
Some actions in science fiction are much more difficult than others.
Mixing subjects
Crossing boundaries
We put forward an idea for a college class that will probably never happen.
