Printing Press: The printing press was an innovative invention by Johannes Gutenberg that revolutionized communication by enabling mass production of books. It led to widespread dissemination of knowledge across Europe.
Astrolabe: An astrolabe was a navigational instrument used by sailors in ancient times for celestial navigation. It helped them determine their latitude at sea accurately.
Gunpowder: Gunpowder, invented in China during the Tang Dynasty, had a profound impact on warfare and exploration. It allowed for the development of powerful weapons like cannons, which influenced the outcome of battles and aided in overseas conquests.