Freeciv 3.1.4 tech help (Experimental ruleset)

Advanced Flight

* Only those who know Conscription, Feudalism, Radio, and Steel can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Alphabet

* To preserve this technology for our nation some bulbs are needed each turn.

Amphibious Warfare

* Allows Port Facility (with Oceanic terrain).
* Only those who know Astronomy, Map Making, and Tactics can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Astronomy

* Allows Copernicus' Observatory.
* Only those who know Ceremonial Burial and Mathematics can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Atomic Theory

* Only those who know Navigation and Theory of Gravity can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Automobile

* Allows Super Highways.
* Only those who know Combustion and Metallurgy can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Increases the population's contribution to pollution.

Banking

* Allows Bank (with Marketplace).
* Only those who know Currency and The Republic can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Bridge Building

* Only those who know Construction can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Allows roads to be built on river tiles.

Bronze Working

* Allows Colossus.
* To preserve this technology for our nation some bulbs are needed each turn.

Ceremonial Burial

* Allows Temple.
* To preserve this technology for our nation some bulbs are needed each turn.

Chemistry

* Only those who know Medicine can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Chivalry

* Only those who know Feudalism can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Code of Laws

* Allows Courthouse.
* Only those who know Alphabet can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Combined Arms

* Only those who know Advanced Flight and Automobile can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Combustion

* Only those who know Chemistry, Invention, and Refining can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Communism

* Allows Communism.
* Allows Police Station.
* Allows United Nations.
* Only those who know Industrialization can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Reduces the effect of Cathedrals.

Computers

* Allows Research Lab (with University).
* Allows SETI Program.
* Only those who know Automobile and Miniaturization can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Conscription

* Only those who know Metallurgy and The Republic can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Construction

* Allows Aqueduct.
* Allows Colosseum.
* Allows Fortress (with Land terrain and "Settlers" units).
* Only those who know Currency can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Allows Settlers, Workers and Engineers to build fortresses, and to build oil wells on Desert tiles.

Currency

* Allows Marketplace.
* Only those who know Bronze Working can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Democracy

* Allows Democracy.
* Allows Statue of Liberty.
* Only those who know Invention and The Republic can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Economics

* Allows Stock Exchange (with Bank).
* Allows A.Smith's Trading Co..
* Only those who know Currency, The Republic, and University can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Electricity

* Only those who know Metallurgy and Physics can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Improves the effect of Colosseums.

Electronics

* Allows Hydro Plant (with Factory and River).
* Allows Hoover Dam (with River).
* Only those who know Metallurgy and The Corporation can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Engineering

* Allows King Richard's Crusade.
* Only those who know Construction and Horseback Riding can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Environmentalism

* Allows Solar Plant (with Factory).
* Only those who know Mass Production and Space Flight can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Espionage

* Only those who know Communism and Invention can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Explosives

* Only those who know Chemistry and Invention can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Feudalism

* Allows Sun Tzu's War Academy.
* Only those who know Monarchy can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Flight

* Only those who know Combustion can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Decreases one-time revenue from new trade routes.

Fusion Power

* Only those who know Superconductors can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Genetic Engineering

* Allows Genetic Lab.
* Allows Cure For Cancer.
* Only those who know The Corporation can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Guerilla Warfare

* Only those who know Communism, Conscription, and Feudalism can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Gunpowder

* Allows Barracks II.
* Allows Coastal Defense (with Oceanic terrain).
* Only those who know Invention can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Horseback Riding

* To preserve this technology for our nation some bulbs are needed each turn.

Industrialization

* Allows Factory.
* Allows Women's Suffrage.
* Only those who know Railroad and The Republic can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Population will start contributing to pollution.

Invention

* Allows Leonardo's Workshop.
* Only those who know Engineering and Writing can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Increases units' vision when in fortresses.

Iron Working

* Only those who know Bronze Working can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Labor Union

* Only those who know Communism, Conscription, Feudalism, and Mass Production can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Laser

* Allows SDI Defense.
* Only those who know Nuclear Power can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Leadership

* Only those who know Feudalism and Gunpowder can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Literacy

* Allows Great Library.
* Only those who know Writing can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Machine Tools

* Only those who know Conscription, Feudalism, and Steel can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Magnetism

* Only those who know Bronze Working and Physics can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Map Making

* Allows Lighthouse (with Oceanic terrain).
* Only those who know Alphabet can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Masonry

* Allows City Walls.
* Allows Palace.
* Allows Great Wall.
* Allows Pyramids.
* To preserve this technology for our nation some bulbs are needed each turn.

Mass Production

* Allows Mass Transit.
* Only those who know Automobile can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Increases the population's contribution to pollution.

Mathematics

* Only those who know Alphabet can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Medicine

* Allows Hospital.
* Allows Shakespeare's Theater.
* Only those who know Currency and Philosophy can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Metallurgy

* Only those who know Gunpowder and Philosophy can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Miniaturization

* Allows Offshore Platform (with Oceanic terrain).
* Only those who know Machine Tools and The Corporation can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Mobile Warfare

* Allows Barracks III.
* Only those who know Automobile, Conscription, and Feudalism can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Monarchy

* Allows Monarchy.
* Only those who know Code of Laws can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Monotheism

* Allows Cathedral (with Temple).
* Allows Michelangelo's Chapel.
* Only those who know Horseback Riding and Philosophy can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Mysticism

* Allows Oracle.
* Only those who know Ceremonial Burial can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Improves the effect of Temples.

Navigation

* Allows Magellan's Expedition (with Oceanic terrain).
* Only those who know Astronomy and Map Making can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Nuclear Fission

* Allows Manhattan Project.
* Only those who know Mass Production and Theory of Gravity can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Nuclear Power

* Allows Nuclear Plant (with Factory).
* Only those who know Nuclear Fission can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Gives sea units one extra move.

Philosophy

* Only those who know Ceremonial Burial and Literacy can acquire this technology (by any means).
* The first player to learn Philosophy gets an immediate advance.
* To preserve this technology for our nation some bulbs are needed each turn.

Physics

* Only those who know Navigation and Writing can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Plastics

* Allows Space Component (with Factory).
* Only those who know Space Flight can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Increases the population's contribution to pollution.

Polytheism

* Only those who know Horseback Riding can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Pottery

* Allows Granary.
* Allows Hanging Gardens.
* To preserve this technology for our nation some bulbs are needed each turn.

Radio

* Allows Airport.
* Allows Airbase (with Land terrain and "Airbase" units).
* Allows Buoy (with Oceanic terrain and "Airbase" units).
* Only those who know Flight and Metallurgy can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Allows Workers and Engineers to build airbases and buoys.

Railroad

* Allows Darwin's Voyage.
* Allows Railroad (with Road, "Settlers" units, and Land terrain).
* Only those who know Steam Engine can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Allows Settlers, Workers and Engineers to upgrade roads to railroads.

Decreases one-time revenue from new trade routes.

Recycling

* Allows Recycling Center.
* Only those who know Mass Production can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Refining

* Allows Power Plant (with Factory).
* Only those who know Medicine and The Corporation can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Allows Settlers, Workers and Engineers to build oil wells on Glacier tiles.

Refrigeration

* Allows Supermarket.
* Allows Farmland (with Irrigation).
* Only those who know Electricity and Medicine can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Allows Settlers, Workers and Engineers to upgrade irrigation systems to farmland.

Robotics

* Allows Mfg. Plant (with Factory).
* Only those who know Computers can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Rocketry

* Allows SAM Battery.
* Only those who know Advanced Flight can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Sanitation

* Allows Sewer System (with Aqueduct).
* Only those who know Construction, Horseback Riding, and Medicine can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Seafaring

* Allows Harbor (with Oceanic terrain).
* Only those who know Map Making can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Space Flight

* Allows Space Structural (with Factory).
* Allows Apollo Program.
* Only those who know Automobile, Miniaturization, and Rocketry can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Stealth

* Only those who know Conscription, Feudalism, Radio, Steel, and Superconductors can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Steam Engine

* Allows Eiffel Tower.
* Only those who know Engineering and Physics can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Steel

* Only those who know Industrialization and Metallurgy can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Superconductors

* Allows Space Module (with Factory).
* Allows Maglev (with Railroad, "Settlers" units, and Land terrain).
* Only those who know Laser can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Allows Settlers, Workers and Engineers to upgrade railroads with maglev.

Tactics

* Only those who know Conscription and Feudalism can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

The Corporation

* Only those who know Industrialization and University can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

The Republic

* Allows Republic.
* Only those who know Literacy can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

The Wheel

* Only those who know Horseback Riding can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Theology

* Allows J.S. Bach's Cathedral.
* Only those who know Feudalism, Horseback Riding, and Philosophy can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Improves the effect of Cathedrals.

Theory of Gravity

* Allows Isaac Newton's College.
* Only those who know Mathematics and University can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Trade

* Allows Marco Polo's Embassy.
* Only those who know Alphabet and Currency can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

University

* Allows University (with Library).
* Only those who know Philosophy can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.

Warrior Code

* To preserve this technology for our nation some bulbs are needed each turn.

Writing

* Allows Library.
* Only those who know Alphabet can acquire this technology (by any means).
* To preserve this technology for our nation some bulbs are needed each turn.