A short, plain-English summary of the engineering work in this portfolio, written so that a non-engineer can follow it. Each item leads with what the topic is, then explains what was actually done ...

To my amazement, I found a fully solid rock that eerily resembles a seashell at the base of a cliff in the Alghat desert, Saudi Arabia. I didn't know what to make of it at first, it had the swirls and ...