The first telescope was invented by an Italian mathematician Galileo Galilei. Compared with the telescopes we use today, Galileo's telescope was a very simple instrument. It was a tube with…
Leonardo da Vinci is one of the greatest painters whoever walked the earth. He created many paintings which art lovers and experts loved. One of his greatest creations which millions…
Jewelry is always a fascinating material to anyone. It often carries a sentimental value specially when it was carried down from generation to generation. You may found yourself looking at…