Recently, I wrote a quick post on the lunar landings. Despite the evidence, a significant portion of the population still believes it didn’t happen. With a modern lens, it’s hard to contemplate how NASA landed on the moon, grabbed a few moon rocks, and then returned home using less computer horse power than an iPhone. Hard to understand. Yet, it did happen.

I came across this article on Roman Concrete. Similar concept. To think, modern concrete has a life span of about fifty years. The Coloseo was completed in 80 AD. It’s too bad someone didn’t keep their grandmother’s concrete recipe. It’s stronger, lasts longer, and has a superior carbon footprint.