Diverging (negative) lenses and convex mirrors do not focus a collimated beam to a point. Instead, the focus is the point from which the light appears to be emanating, after it travels through the lens or reflects from the mirror.
World's Largest Pinata. The world's largest pinata was recently constructed in Philadelphia, breaking a Guiness World's Record. It was 94 feet long, 24 feet wide, 60 feet high, and was stuffed with 8,000 pounds of candy. A wrecking ball was used to crack it open.
Chuquicamata, locally known as âChuquiâ, is the biggest open pit copper mine in the world by excavated volume. The pit is located in the north of Chile. The mine is owned and operated by Codelco, the Chilean state enterprise.