Forbes contributors publish independent expert analyses and insights. I write about physics, science, academia, and pop culture. Physicists have a reputation for being exceptionally arrogant even ...

Ancient Roman roads were far more complex than their visible stone surfaces suggest. Engineers meticulously layered materials ...

Imagine the Roman engineer—let’s call him Marcellus—admiring the high walls of the amphitheatre. Eight years of hard work and tough decisions and tons of materials. The best concrete that was ever ...