Today, we’ll lay some pipe… or not. We may just decide it’s too hard to lay pipe.

• Here again are the new notes for today on part 1 of the futility of laying pipe.
• For Monday, please read section 8.5.
• Complete the pre-class quiz on sections 8.4 and 8.5.
• Assignment #5 is due Thursday. Make progress! It’s a substantial assignment.