The machines at school run the Unix fortune program whenever I log out. They've produced some pretty choice quotes recently. This morning's quote is:

One thing they don't tell you about doing experimental physics is that sometimes you must work under adverse conditions... like a state of sheer terror.
-- W. K. Hartmann

It's not supposed to get as hot today as it did Wednesday and Thursday. That's a relief. I did take a brief swimming break yesterday, but for the most part I continued to work after I came home around 5:30, and the apartment was hot until late in the evening. I find it more difficult to concentrate when the weather is sweltering.

• Currently drinking: Black coffee