When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. List of earliest tools - Wikipedia

    en.wikipedia.org/wiki/List_of_earliest_tools

    Stone tools, hominin remains, cut marks on bone Pirro Nord [49] 1.3-1.6 [50] Italy Western Europe Stone tools Sterkfontein Member 5 [51] 1.1-1.6 South Africa Southern Africa Stone tools, Homo and Paranthropus remains Barranco León [52] 1.2-1.4 Spain Western Europe Stone tools, animal bones, bone flakes Bois de Riquet US 2 [53] [54] 1.2 France ...

  3. 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!

  4. History of construction - Wikipedia

    en.wikipedia.org/wiki/History_of_construction

    These advantages caused the switch from stone tools to metal tools. Both were also used to "harden" the cutting edge of tools such as the Egyptians using copper and bronze points for working soft stone including quarrying blocks and making rock-cut architecture. During the copper age, the ancient Chinese invented fired bricks as early as 4400BC.

  5. Stonemasonry - Wikipedia

    en.wikipedia.org/wiki/Stonemasonry

    A 15-storey apartment building in La Tourette (Marseille), designed by Fernand Pouillon.Constructed using the massive precut stone method. Gobekli Tepe, early monumental Neolithic stonemasonry using flint-carved limestone columns (~9500 BCE) 12th-century stonemasonry at Angkor Wat Diamond-wire saw in use for quarrying marble Stonemason working with medieval tools Stonemasonry with andesite ...

  6. Quern-stone - Wikipedia

    en.wikipedia.org/wiki/Quern-stone

    Quern-stones are stone tools for hand-grinding a wide variety of materials, especially for various types of grains. They are used in pairs. The lower stationary stone of early examples is called a saddle quern, while the upper mobile stone is called a muller, rubber, or handstone. The upper stone was moved in a back-and-forth motion across the ...

  7. Tool stone - Wikipedia

    en.wikipedia.org/wiki/Tool_stone

    In archaeology, a tool stone is a type of stone that is used to manufacture stone tools, [1] or tools that use stone as raw material. [ 2 ] Generally speaking, tools that require a sharp edge are made using cryptocrystalline materials that fracture in an easily controlled conchoidal manner. [ 1 ]

  8. Stone tool - Wikipedia

    en.wikipedia.org/wiki/Stone_tool

    The stone tools may have been made by Australopithecus afarensis, the species whose best fossil example is Lucy, which inhabited East Africa at the same time as the date of the oldest stone tools, a yet unidentified species, or by Kenyanthropus platyops (a 3.2 to 3.5-million-year-old Pliocene hominin fossil discovered in 1999).

  9. Discover the best free online games at AOL.com - Play board, card, casino, puzzle and many more online games while chatting with others in real-time.