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  2. Aeolipile - Wikipedia

    en.wikipedia.org/wiki/Aeolipile

    An illustration of Hero's aeolipile. An aeolipile, aeolipyle, or eolipile, from the Greek "Αἰόλου πύλη," lit. ' Aeolus gate ', also known as a Hero's (or Heron's) engine, is a simple, bladeless radial steam turbine which spins when the central water container is heated. Torque is produced by steam jets exiting the turbine.

  3. Hero of Alexandria - Wikipedia

    en.wikipedia.org/wiki/Hero_of_Alexandria

    Hero's aeolipile. A number of devices and inventions have been ascribed to Hero, including the following: The aeolipile (a version of which is known as "Hero's engine"), which was a rocket-like reaction engine and the first-recorded steam engine (although Vitruvius mentioned the aeolipile in De Architectura, presumably earlier than Hero). [13]

  4. Antikythera mechanism - Wikipedia

    en.wikipedia.org/wiki/Antikythera_mechanism

    The device, housed in the remains of a wooden-framed case of (uncertain) overall size 34 cm × 18 cm × 9 cm (13.4 in × 7.1 in × 3.5 in), [15] [16] was found as one lump, later separated into three main fragments which are now divided into 82 separate fragments after conservation efforts. Four of these fragments contain gears, while ...

  5. Crossword abbreviations - Wikipedia

    en.wikipedia.org/wiki/Crossword_abbreviations

    Roman numerals: for example the word "six" in the clue might be used to indicate the letters VI; The name of a chemical element may be used to signify its symbol; e.g., W for tungsten; The days of the week; e.g., TH for Thursday; Country codes; e.g., "Switzerland" can indicate the letters CH; ICAO spelling alphabet: where Mike signifies M and ...

  6. Timeline of steam power - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_steam_power

    1st century AD – Hero of Alexandria describes the Aeolipile, as an example of the power of heated air or water.The device consists of a rotating ball spun by steam jets; it produced little power and had no practical application, but is nevertheless the first known device moved by steam pressure.

  7. Emiliano Grillo sets off beer showers with an ace at the ...

    www.aol.com/emiliano-grillo-sets-off-beer...

    Emiliano Grillo set off the latest beer shower at the Phoenix Open with an ace on the stadium 16th hole. Grillo's shot on the 155-yard hole flew directly into the cup and swirled around a few ...

  8. List of Greek inventions and discoveries - Wikipedia

    en.wikipedia.org/wiki/List_of_Greek_inventions...

    Hero of Alexandria first described the aeolipile in the 1st century AD and many sources give him the credit for its invention. Steam-powered device: Archimedes invented the first steam-powered device with the Steam cannon. [78] Stoa: In ancient Greek architecture, is a covered walkway or portico, commonly for public use. Early stoas were open ...

  9. History of the steam engine - Wikipedia

    en.wikipedia.org/wiki/History_of_the_steam_engine

    The 1698 Savery Steam Pump - the first commercially successful steam powered device, built by Thomas Savery [1] The first recorded rudimentary steam engine was the aeolipile mentioned by Vitruvius between 30 and 15 BC and, described by Heron of Alexandria in 1st-century Roman Egypt. [2]