For those with slow computers/modems/small monitors and without Acrobat reader installed:
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Damn formatting! At least it got somewhat better.

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The tech-tree consists of 12 rows of different tech-types:
Construction.................11 techs
Engineering...................8 techs
Seafaring.....................8 techs
Aerospace.....................7 techs
Military.....................13 techs
Economics.....................9 techs
Physical sciences.............8 techs
Cultural advancements.........5 techs
Environmental sciences........6 techs
Energy sciences..............10 techs
Medicine......................7 techs
Government & Education.......14 techs
-------------------
106 techs totally
U = Unit
C = City improvement
T = Tile improvement
Capital letters = Wonders
C O N S T R U C T I O N (from left to right):
STONE WORKING..........City wall (C), Fortification (T), PYRAMIDS
MASONRY................Aqueduct (C), GREAT WALL
CONCRETE...............Arena (C), FORBIDDEN CITY
FEUDALISM..............Capitol (C), Knight; Pikemen (U)
AGRICULTURAL...........Advanced farms (T), Mill (C)
INDUSTRIAL REVOLUTION..Factory (C), Machine gunner (U)
OIL REFINING...........Drilling platform (T), Oil refinery (C), Submarine (U)
MASS PRODUCTION........Pt boat; Destroyer (U), Infrastructure (C), Sonar buoy (T)
ROBOTICS...............Automated fisheries (T), Robotic plants (C)
NANO-ASSEMBLY..........Nanite factory (C), Sea engineer (U), Undersea tunnels (T)
NANO-MACHINES..........Aqua-filter (C), NANITE DEFUSER, Undersea mines (T)
E N G I N E E R I N G :
TOOLMAKING.............Warrior (U)
BRONZE WORKING.........Hoplite (U)
IRON WORKING...........Samurai (U)
MODERN METALLURG.......Ironclad (U)
RAILROAD...............Food silo (C), Railroads (T)
ADV. URBAN PLANNING....Mega mines (T), Urban planner (U)
ARCOLOGIES.............Arcologies (C)
SMART MATERIALS........Dreadnaught (U), Mega undersea mines (T)
S E A F A R I N G :
SHIP BUILDING..........Coracle (U), Nets (T)
HULL MAKING............Longships (U), Port (C)
OCEAN FARING...........Carrack (U), EAST INDIA COMPANY
NAVAL TACTICS..........Battlements (C), Ship of the line (U)
ADV. NAVAL TACTICS.....Battleship (U)
NAVAL AVIATION.........Aircraft carrier (U)
FLUID BREATHING........Scout sub (U)
ULTRA-PRESSURE.........Advanced undersea mines (T), Crawler (U)
A E R O S P A C E :
AERODYNAMICS...........Airbase (T), Airport (C), Fighter (U)
VERTICLE FLIGHT........Cargo helicopter (U)
JET PROPULSION.........Bomber (U)
SUPERSONIC FLIGHT......Interceptor (U)
ADVANCED COMPOSITS.....Steath fighter; Stealth bomber (U)
SPACE FLIGHT...........Orbital laboratory (C), Space plane (U)
AI SURVEILLAN..........Spy plane (U), Security monitor (C)
M I L I T A R Y :
AGRICULTURE............Farms (T), Granary (C)
SLAVE LABOUR...........Mines (T), Slaver (U)
BALLISTICS.............Archer (U), Ballista towers (C)
HORSE RIDING...........Mounted archer (U), Trading post (T)
ALCHEMY................Fire trireme (U)
GUNPOWDER..............Infantrymen (U)
CANNON MAKING..........Cannon (U)
CAVALERY TACTICS.......Cavalery (U)
EXPLOSIVES.............Advanced mines (T), Artillery (U)
TANK WARFARE...........Tank (U)
ADVANCED INFANTRY......Marine; Paratrooper (U)
PLASMA WEAPONRY........Plasma destroyer; Leviathan (U)
NANO WARFARE...........Infector (U), Nano-defence (C)
E C O N O M I C S :
TRADE..................THE APPIAN WAY, Bazaar (C), Caravan (U), Roads (T)
BANKING................Bank (C)
ECONOMICS..............LONDON EXCHANGE, Brokerage (C)
COMMUNISM..............(None)
MASS MEDIA.............Outlett mall (T), Televangelist (U), Television (C)
CORPORATION............Corporate branch (U), EMPIRE STATE BUILDING
GLOBAL ECONOMICS.......Capitalization (C), HOLLYWOOD, Freight transport (U)
DIGITAL ENCRYPTION.....DATA HAVEN, E-bank (C)
VIRTUAL DEMOCRACY......EGALITARIAN ACT
P H Y S I C A L S C I E N C E S :
GEOMETRY...............Catapult (U)
OPTICS.................GALILEOS TELESCOPE
CHEMISTRY..............(None)
AGE OF REASON..........EMANCIPATION ACT
PHYSICS................(None)
QUANTUM PHYSICS........(None)
CHAOS THEORY...........Hover Infantry (U)
UNIFIED PHYSICS........Forcefield (C), NATIONAL FIELD
C U L T U R A L A D V A N C E M E N T S :
RELIGION...............RAMAYANA, Shrine (C)
DRAMA..................Theater (C)
PHILOSOPHY.............Academy (C), ARISTOTLES LYCEUM
THEOLOGY...............Basilica (C), Cleric (U), HAGA SOPHIA)
FASCISM................Fascist (U)
E N V I R O N M E N T A L S C I E N C E S :
MASS TRANSIT...........Public transportation (C)
CONSERVATION...........Nature preserve (T), Recyckling plant (C)
FUEL CELLS.............Eco-transit (C)
ECOTOPIA...............CENTRAL MATTER DECOMPILER, Eco terrorist (U), Matter (C)
GAYA THEORY............EDEN PROJECT, Eco-rangers (U)
GAYA CONTROLLE.........Gaya controller core (C), Gaya power satellites (C), Obelisk (T)
E N E R G Y S C I E N C E S :
ELECTRICITY............Listening post (T), Movie palace (U); wrong - probably (C).
INTERNAL COMBUSTION....Troop ship (U)
RADAR..................Mobile SAM (U), Flak towers (C), Radar station (T)
COMPUTER...............Computer center (C)
GUIDED WEAPON..........Cruise missile (U)
NUCLEAR POWER..........Nuclear plant (C), Nuclear submarine (U)
SUPERCONDUCTOR.........FIELD DYNAMICS LABORATORY, Maglevs (T)
NEURAL INTERFACE.......Cyber ninja (U), VR Amusement park (C)
FUSION.................Fusion plant (C), Fusion tank (U)
CYBERNETICS............War walker (U)
M E D I C I N E :
PHARMACEUTICAL.........Drug store (C), PENICILLIN
MODERN MEDICIN.........Hospital (C)
GENETICS...............GENOME PROJECT, Hydroponic domes (T)
GENE THERAPY...........Emphatic diplomat (U), WORLD PEACE CENTER
HUMAN CLONING..........Incubation center (C)
GENETIC TAILORING......Cornucopic vats (C), Kraken (U)
LIFE EXTENSION.........Body exchange (C)
G O V E R N M E N T & E D U C A T I O N :
WRITING................(None)
JURISPRUDENCE..........CHICHEN ITZA, Courthouse (C)
MONARCHY...............(None)
BUREAUCRACY............Diplomat (U)
CLASSICAL EDUCATION....Abolitionist (U), University (C)
PRINTING PRESS.........GUTENBERGS BIBLE, Publishing (C)
NATIONALISM............Spy (U)
DEMOCRACY..............(None)
CRIMINAL CODE..........Correctional facility (C), Lawyer (U)
CORPORATE REPUBLIC.....(None)
GLOBAL DEFENCE.........THE AGENCY
GLOBAL COMMUNICATION...Anti-ballistic missiles (C), GLOBESAT
TECHNOCRACY............(None)
NEURAL REPROGRAMMING...Behavioral mod center (C)
[This message has been edited by Ralf (edited November 11, 2000).]