Multiple MatchingExercise 66 of 68

Discovered in an ancient Mesopotamian tomb, this seemingly ordinary clay jar continues to completely baffle modern archaeologists. Inside the small vessel, excavators found a copper cylinder surrounding a solid iron rod, which scientists believe was originally filled with an acidic liquid, like vinegar or grape…

• Which invention relied on highly reflective materials to effectively redirect natural rays of light?
• Which invention may have been intended strictly to beautifully decorate items of personal adornment?