10 Ancient Blueprints That Predict Modern Designs
These 10 ancient blueprints and plans reveal designs that resemble technologies and structures used in modern life.
Lost technology
12 Machines Found in Sunken Ships
This listicle highlights some of the most intriguing and unexpected machines recovered from shipwrecks around the world.
15 Forgotten Materials That Could Change Modern Engineering
These 15 materials, used or discovered in the past, could inspire breakthroughs in modern engineering if their properties are fully understood and applied.