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  2. Early world maps - Wikipedia

    en.wikipedia.org/wiki/Early_world_maps

    The De Virga world map was made by Albertinus de Virga between 1411 and 1415. Albertin de Virga, a Venetian, is also known for a 1409 map of the Mediterranean, also made in Venice. The world map is circular, drawn on a piece of parchment 69.6 cm × 44 cm (27.4 in × 17.3 in). It consists of the map itself, about 44 cm (17 in) in diameter, and ...

  3. Circle of latitude - Wikipedia

    en.wikipedia.org/wiki/Circle_of_latitude

    The Mercator projection and its use on a world map. This projection first came into use in the 16th century by the Dutch. This projection first came into use in the 16th century by the Dutch. A circle of latitude or line of latitude on Earth is an abstract east – west small circle connecting all locations around Earth (ignoring elevation ) at ...

  4. History of cartography - Wikipedia

    en.wikipedia.org/wiki/History_of_cartography

    [38]: 93 In light of this, these maps are perhaps the oldest economic maps in the world since they predate Strabo's economic maps. [ 38 ] : 93 In addition to the seven maps on wooden blocks found at Tomb 1 of Fangmatan, a fragment of a paper map was found on the chest of the occupant of Tomb 5 of Fangmatan in 1986.

  5. List of online map services - Wikipedia

    en.wikipedia.org/wiki/List_of_online_map_services

    ViaMichelin - World maps, city maps, driving directions, Michelin-starred restaurants, hotel booking, traffic news and weather forecast with ViaMichelin. Germany "Geoportal.de", by the Federal Agency for Cartography and Geodesy (BKG). Hong Kong. Centamap – launched in 1999, Centamap is built using data from the Hong Kong Government

  6. Calipers - Wikipedia

    en.wikipedia.org/wiki/Calipers

    The vernier scales may include metric measurements on the lower part of the scale and inch measurements on the upper, or vice versa, in countries that use inches. Vernier calipers commonly used in industry provide a precision to 0.01 mm (10 micrometres), or one thousandth of an inch. They are available in sizes that can measure up to 1828 mm ...

  7. List of unusual units of measurement - Wikipedia

    en.wikipedia.org/wiki/List_of_unusual_units_of...

    An Olympic-size swimming pool holds over 2 acre-feet of water For larger volumes of liquid, one measure commonly used in the media in many countries is the Olympic-size swimming pool. [47] A 50 m × 25 m (164 ft × 82 ft) Olympic swimming pool, built to the FR3 minimum depth of 2 metres (6.6 ft) would hold 2,500 m 3 (660,000 US gal).

  8. The Scale of the Universe - Wikipedia

    en.wikipedia.org/wiki/The_Scale_of_the_Universe

    Average size of a snowflake: 10 −2 meters — Coffee bean: 10 −2 meters 10 −2 meters Microwave wavelength 10 −2 meters 10 −2 meters Hummingbird egg 1.2 × 10 −2 meters — Glass marble — 1.5 × 10 −2 meters U.S. penny — 1.9 × 10 −2 meters Square inch: 2.54 × 10 −2 meters 2.5 × 10 −2 meters Quail egg 3 × 10 −2 ...

  9. Asia - Wikipedia

    en.wikipedia.org/wiki/Asia

    Asia (/ ˈ eɪ ʒ ə / ⓘ AY-zhə, UK also / ˈ eɪ ʃ ə / AY-shə) is the largest continent [note 1] [10] [11] in the world by both land area and population. [11] It covers an area of more than 44 million square kilometres, [note 2] about 30% of Earth's total land area and 8% of Earth's total surface area.