- NASA image created by Jesse Allen, Earth Observatory, using data obtained courtesy of the University of Maryland�s Global Land Cover Facility.
- Over 300 glaciers, about one-third of the glaciers in the Lower 48 states, lie within the park boundaries.
- XOR (chiark.greenend.org.uk)
So I collected some thoughts together and gave a lecture on XOR. Slightly to my own surprise, I was able to spend a full hour talking about it – and then over the course of the next couple of weeks I remembered several other things I could usefully have mentioned.
