[DOC] [TLE] Four Great Inventions - Wikipedia [PAR] The Four Great Inventions are inventions from ancient China that are celebrated 
in Chinese ... These four discoveries had a large impact on the development of 
civilization .... By the end of the 12th century, Chinese formulas of gunpowder had 
a level of ... China, along with Korea, was one of the last countries to adopt them. [DOC] [TLE] History of the compass - Wikipedia [PAR] The history of the compass extends back for more than 2000 years. The first 
compasses were made of lodestone, a naturally magnetized ore of ... These early 
compasses were made with lodestone, a form of the mineral magnetite that ..... 
the means of a magnetic compass can be found in 12th-century Denmark: one 
fourth of... [DOC] [TLE] Compass - Wikipedia [PAR] A compass is an instrument used for navigation and orientation that shows 
direction relative to ... The first compasses in ancient Han dynasty China were 
made of lodestone, ... This was supplanted in the early 20th century by the liquid-
filled magnetic ... Modern compasses usually use a magnetized needle or dial 
inside a... [DOC] [TLE] The impact of China on the history of technology [PAR] Feb 10, 2015 ... China, Technology and Change, an article by Lynda Shaffer, from .... The 
Chinese began using paper, made from rice straw, for toilet .... As with other 
innovations, the compass was transferred to Europe by the end of the 12th 
century. ... to the development of a better compass) with a magnetized needle? [DOC] [TLE] Chinese Inventions - SACU [PAR] These are paper, gunpowder, the compass and printing. ... Lun (or Ts'ai Lun), 
who was the head of a royal workshop in 2nd century China. ... He made his 
paper by boiling up all the raw materials with wood ash or lime for up to 35 days. 
.... the 8th Century AD when magnetised needles replaced loadstone, and 
between 850... [DOC] [TLE] Four Inventions of Ancient China: Paper Making, Gunpowder ... [PAR] Besides, these two materials could be better used for other purposes so it was 
not ... Korea in 384 A.D. A Korean Monk then took this skill with him to Japan in 
610 A.D. ... In the 12th and 13th centuries, gunpowder spread to the Arab 
countries, then ... In the 11th century, tiny needles made of magnetized steel were 
invented. [DOC] [TLE] computersmiths - History of Chinese Invention - Invention of the ... [PAR] History of Chinese Invention and Discovery - Invention of the Magnetic Compass. 
... 1999 "Sometime in the 12th century, mariners in China and Europe made the 
... and further that the "Chinese were using the magnetic compass around AD 
1100, ... These more refined needle compasses could then be floated in water (
wet... [DOC] [TLE] How does a magnetic compass work? - Explain that Stuff [PAR] Oct 16, 2016 ... People have been navigating with magnetic compasses for the best part of ... Left 
to its own devices, the needle turns until one end points north and the other south
. ... a compass (or the magnetized needle on your home-made compass) is a .... 
12th century CE: More sophisticated compasses are invented... [DOC] [TLE] Lecture 2: The Age of Discovery - The History Guide [PAR] Introduction -- The mid-to-late 15th century has quite rightly been called the AGE 
... always glamorized this age of European exploration, there is one series fact 
we .... needle, or compass, came to Europe from the Arab world in the 12th 
century. ... West Africa to China, and made little attempt to conquer these lands by 
force. [DOC] [TLE] Non-European compasses | Explore Royal Museums Greenwich [PAR] Early compasses used an iron needle magnetised by a piece of lodestone, ... to 
the use of lodestone dates from the late 12th century, but in China the ... The 
magnetic compass was one of the tools of the geomancer. ... These mid-19th 
century astrological compasses were used as an aid for prediction by the 
astrologer. [DOC] [TLE] THE DISCOVERY OF THE MAGNETIC COMPASS AND ITS USE IN ... [PAR] This chapter is concerned with the

Question: By the 12th century the Chinese made one of these using a magnetized needle
Answer: Compass