enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. History of the compass - Wikipedia

    en.wikipedia.org/wiki/History_of_the_compass

    The compass was invented in China during the Han dynasty between the 2nd century BC and 1st century AD where it was called the "south-governor"(sīnán 司南) or "South Pointing Fish" (指南魚). [3] The magnetic compass was not, at first, used for navigation, but for geomancy and fortune-telling by the Chinese.

  3. Four Great Inventions - Wikipedia

    en.wikipedia.org/wiki/Four_Great_Inventions

    The compass in the Four Great Inventions was formerly the compass of ancient China. It is a kind of direction-indicating tool, which is widely used in navigation, field exploration and other fields. In ancient times, it had a profound influence on trade, war and cultural exchange.

  4. Luopan - Wikipedia

    en.wikipedia.org/wiki/Luopan

    The luopan or geomantic compass is a Chinese magnetic compass, also known as a feng shui compass. It is used by a feng shui practitioner to determine the precise direction of a structure, place or item. Luo Pan contains a lot of information and formulas regarding its functions. The needle points towards the south magnetic pole.

  5. List of Chinese inventions - Wikipedia

    en.wikipedia.org/wiki/List_of_Chinese_inventions

    The Chinese polymath Shen Kuo (1031–1095) of the Song dynasty (960–1279) was the first to accurately describe both magnetic declination (in discerning true north) and the magnetic needle compass in his Dream Pool Essays of 1088, and the Song dynasty writer Zhu Yu (fl. 12th century) was the first to mention use of the compass specifically ...

  6. 50 Inventions From The Past That Were Amazingly Innovative - AOL

    www.aol.com/98-historical-inventions-were-ahead...

    It was purely mechanical with no magnetic compass - the Chinese only began using those in the 11th century. ... In Ancient Rome, it was found in hot baths and public buildings, and in the homes of ...

  7. Science and technology of the Song dynasty - Wikipedia

    en.wikipedia.org/wiki/Science_and_technology_of...

    Even before Shen Kuo and Zhu Yu had described the mariner's magnetic needle compass, the earlier military treatise of the Wujing Zongyao in 1044 had also described a thermoremanence compass. [77] This was a simple iron or steel needle that was heated, cooled, and placed in a bowl of water, producing the effect of weak magnetization, although ...

  8. History of science and technology in China - Wikipedia

    en.wikipedia.org/wiki/History_of_science_and...

    Shen Kuo's written work of 1088 also contains the first written description of the magnetic needle compass, the first description in China of experiments with camera obscura, the invention of movable type printing by the artisan Bi Sheng (990–1051), a method of repeated forging of cast iron under a cold blast similar to the modern Bessemer ...

  9. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!