A teenage entrepreneur who does 6-figures in sales explains how anyone can start an e-commerce business with a 3D printer and a couple of hundred dollars

Learn how a teenager built a six-figure business with 3D printing and low-cost resources in high school.
Nature

How the Romans built their empire of concrete

A unique archaeological site at Pompeii, Italy, reveals the secrets of peculiarly durable Roman building materials.

Gemini web app just got Opal where you can build mini apps with no code

Opal is now built into the Gemini web app via the Gems manager, letting you create reusable, shareable AI mini-app workflows ...