One (slightly addicted) tweeter's advice.
An open letter to struggling students.
A surprising course review.
When silly questions matter.
Dilation savings time, and other ideas that can't be any worse than what we have now.
Cat? Easily defined. Integral? Less so.
Literary, sci-fi, nonfiction, and unclassifiably inventive.
When are crowds smarter than individuals? And could it possibly happen in, of all places, Twitter?
A big-name new book, featuring a few of my scraggly illustrations.