Japan does not use modern nails to repair centuries-old temples. Instead, master craftsmen rely on an ancient woodworking technique (Representational AI photo) Centuries-old temples in Japan are still repaired without using modern nails, screws or metal brackets. In Japan, master carpenters instead continue to follow an ancient woodworking technique that has been passed down generations…

Why gold never tarnishes has finally been explained For thousands of years, humans have valued pure gold because it stays bright and shiny without becoming dull. Now, scientists have discovered that gold has a tiny self-protection system that actively stops oxygen from damaging its surface.The breakthrough comes from researchers at Tulane University, who found that…