A stone tablet thought to be about 1,500 years old with a, worn-down chiseled inscription of the Ten Commandments. (credit: REUTERS) “Fortunately, the text is all still legible, but it is most ...

Notice, too, the seemingly freshly carved ceiling; in places, it looks as if stone masons might have ... crypt can still be seen on the roof. Ancient chisel marks are clearly visible on the ...

This is a tool the ancient Egyptians used to work stone. It's a copper chisel. Copper was the hardest metal they had. But it isn't that hard. It blunts quite quickly. So a chisel like this was ...