A review by nickedkins
What If?: Serious Scientific Answers to Absurd Hypothetical Questions by Randall Munroe

4.0

Great idea for a book (an ex-physicist tries to solve absurd hypothetical questions with back-of-the-envelope calculations). Lots of the answers were surprising, and you're introduced to a lot of concepts that you wouldn't have come across otherwise.

The tone of the writing conveys curiosity and play and it's charming 95% of the time. The other 5% lapses into "haha I'm such a nerd, I care about minutiae and I like lasers," which is really annoying, so one star off for that.