Homework: Dune question

Submit two items to the the submission web site:

• Submit your own question about the paper (e.g., what you find most confusing about the paper or the paper's general context/problem) before 11:59pm the night before. You cannot use the question below. To the extent possible, during lecture we will try to answer questions submitted the evening before.
• Submit your answer for the question below before the beginning of the lecture