Researching Techs gives your civilization advantages. Some Techs are prerequisites for Upgrading your Ships with new Ship Part Tiles or Building Starbases and Structures, while others make your civilization more efficient (e.g. increasing your Production or giving you more Influence Discs). Techs are divided into three basic categories (Military , Grid , or Nano ) plus Rare Techs . Each Tech you Research gives you a discount on further Techs Researched in the same category. Researched Tech Tiles are placed on the Tech Track of your Species Board (see the Research: Overview section for details on Researching and the Technologies sections for details on Tech Tiles).