Printing Press: The printing press was a technological invention that revolutionized communication by allowing books to be produced quickly and efficiently.
Arabic Numerals: Arabic numerals are numerical digits (0-9) derived from Indian mathematics that replaced Roman numerals in most parts of the world because they were easier to use for calculations.
Astrolabe: An astrolabe is a scientific instrument used in astronomy and navigation to determine the position of celestial objects, time, and direction.