Question

Определите, что было изобретено в средневековой Азии, а что в средневекой Африке и доколумбовой Америке. Африка и доколумбова Америка:средневековая Азия:1. компас2. газета3. порох4. почтовая связь5. нуль6. гамак7. резина8. десятичная система счисления.​

Answer 1

Арика и доколумбовая Америка:

нуль, гамак, резина

в средневековой Азии:

компас , газета, порох

почтовая связь и десятичная система счисления не относятся к верхним

так как они появились в Древнем Египте до н.э.

Answer 2

Inventions in Medieval Asia, Africa, and Pre-Columbian America

In the medieval period, various inventions and innovations emerged in different regions of the world. Let's explore the inventions that originated in medieval Asia, Africa, and pre-Columbian America.

Medieval Asia: 1. Compass: The compass, a navigational instrument, was invented in China during the Han Dynasty around the 2nd century BCE. It revolutionized navigation by allowing sailors to determine their direction accurately [[1]]. 2. Gunpowder: Gunpowder, also known as black powder, was invented in China during the Tang Dynasty (9th century CE). Initially used for medicinal purposes, it later became a crucial component in warfare and the development of firearms [[2]]. 3. Paper: Papermaking was invented in China during the Han Dynasty (2nd century BCE). The invention of paper significantly impacted the spread of knowledge, communication, and the development of printing [[3]]. 4. Printing: The invention of printing using movable type is attributed to Bi Sheng, a Chinese inventor from the 11th century CE. This innovation revolutionized the production of books and facilitated the dissemination of knowledge [[4]]. 5. Porcelain: Porcelain, a type of ceramic, was developed in China during the Tang Dynasty (7th century CE). Its production techniques and quality were highly advanced for its time, making it a sought-after commodity [[5]]. 6. Abacus: The abacus, a counting tool, has ancient origins in Asia. It was widely used in China and other Asian countries for performing arithmetic calculations before the advent of modern calculators [[6]].

Medieval Africa: 1. Zero (0): The concept of zero as a numerical digit was developed in ancient Africa. The ancient Egyptians and the civilizations of the Nile Valley used a placeholder symbol for zero as early as the 3rd century BCE [[7]]. 2. Gum Arabic: Gum arabic, a natural gum obtained from the Acacia tree, has been used in Africa for centuries. It has various applications, including in food, medicine, and art [[8]]. 3. African Ironworking: Ironworking techniques were developed and advanced in various regions of Africa during the medieval period. African blacksmiths produced high-quality iron tools, weapons, and ornaments [[9]].

Pre-Columbian America: 1. Hammock: The hammock, a suspended bed made of fabric or netting, was used by indigenous peoples in pre-Columbian America. It provided a comfortable sleeping arrangement and was particularly useful in tropical climates [[10]]. 2. Rubber: The indigenous peoples of pre-Columbian America, particularly the Maya and Aztecs, discovered and utilized rubber. They extracted latex from rubber trees and used it for various purposes, including making balls and waterproofing [[11]]. 3. Quipu: The quipu, a recording device made of knotted strings, was used by the Inca civilization in pre-Columbian America. It served as a method of record-keeping and communication [[12]].

These are just a few examples of the inventions and innovations that emerged in medieval Asia, Africa, and pre-Columbian America. Each region had its own unique contributions to the development of technology, science, and culture during that time.