[
	{
		columnNumber: 0,
		era:"Ancient",
		techCost: 20,
		buildingCost:40,
		techs:[
			{
				name:"Agriculture",
				row:5,
				quote:"'Where tillage begins, other arts follow. The farmers therefore are the founders of human civilization.' - Daniel Webster"
			}
			
		]	
	},
	{
		columnNumber: 1,
		era:"Ancient",
		techCost: 35, 
		buildingCost:60,
		techs:[
			{
				name:"Pottery",
				row:2,
				quote:"'Shall the clay say to him that fashioneth it, what makest thou?' - Bible Isaiah 45:9"
			},
			{
				name:"Animal Husbandry",
				row:5,
				quote:"'Thou shalt not muzzle the ox when he treadeth out the corn.' - Bible Deuteronomy 25:4"
			},
			{
				name:"Archery",
				row:7,
				quote:"'The haft of the arrow has been feathered with one of the eagle's own plumes, we often give our enemies the means of our own destruction' - Aesop"
			},
			{
				name:"Mining",
				row:9,
				quote:"'The meek shall inherit the Earth, but not its mineral rights.' - J. Paul Getty"
			}
			
		]	
	},
	{
		columnNumber: 2,
		era:"Ancient",
		techCost: 55, 
		buildingCost:75,
		wonderCost:185,
		techs:[
			{
				name:"Sailing",
				row:1,
				prerequisites:["Pottery"],
				quote:"'He who commands the sea has command of everything.' - Themistocles"
			},
			{
				name:"Calendar",
				row:2,
				prerequisites:["Pottery"],
				quote:"'So teach us to number our days, so that we may apply our hearts unto wisdom.' - Bible Psalms 90:12"
			},
			{
				name:"Writing",
				row:3,
				prerequisites:["Pottery"],
				quote:"'He who destroys a good book kills reason itself.' - John Milton"
			},
			{
				name:"Trapping",
				row:5,
				prerequisites:["Animal Husbandry"],
				quote:"'Even brute beasts and wandering birds do not fall into the same traps or nets twice.' - Saint Jerome"
			},
			{
				name:"The Wheel",
				row:7,
				prerequisites:["Animal Husbandry", "Archery"],
				quote:"'Wisdom and virtue are like the two wheels of a cart.' - Japanese proverb"
			},
			{
				name:"Masonry",
				row:9,
				prerequisites:["Mining"],
				quote:"'How happy are those whose walls already rise!' - Virgil"
			},
			{
				name:"Bronze Working",
				row:10,
				prerequisites:["Mining"],
				quote:"'Here Hector entered, with a spear eleven cubits long in his hand; the bronze point gleamed in front of him, and was fastened to the shaft of the spear by a ring of gold.' - Homer"
			}			
		]	
	},
	{
		columnNumber: 3,
		era:"Classical",
		techCost: 105, 
		buildingCost:100,
		wonderCost:250,
		techs:[
			{
				name:"Optics",
				cost:85,
				row:1,
				prerequisites:["Sailing"],
				uniques:["Enables embarkation for land units"],
				quote:"'He made an instrument to know if the moon shine at full or no.' - Samuel Butler"
			},
			{
				name:"Horseback Riding",
				row:5,
				prerequisites:["Trapping","The Wheel"],
				quote:"'A Horse! A Horse! My kingdom for a horse!' - Shakespeare (Richard III)"
			},
			{
				name:"Mathematics",
				row:7,
				prerequisites:["The Wheel"],
				quote:"'Mathematics is the gate and key to the sciences.' - Roger Bacon"
			},
			{
				name:"Construction",
				row:9,
				prerequisites:["Masonry","The Wheel"],
				quote:"'Three things are to be looked to in a building: that it stands on the right spot; that it be securely founded; that it be successfulyl executed.' - Johann Wolfgang von Goethe"
			}
		]	
	},
	{
		columnNumber: 4,
		era:"Classical",
		techCost: 175, 
		buildingCost:120,
		wonderCost:300,
		techs:[
			{
				name:"Philosophy",
				row:3,
				prerequisites:["Writing","Calendar"],
				quote:"'There is only one good, knowledge, and one evil, ignorance.' - Socrates"
			},
			{
				name:"Currency",
				row:7,
				prerequisites:["Mathematics"],
				quote:"'Better is bread with a happy heart than wealth with vexation.' - Amenemope"
			},
			{
				name:"Engineering",
				row:8,
				prerequisites:["Mathematics","Construction"],
				quote:"'Instrumental or mechanical science is the noblest and, above all others, the most useful.' - Leonardo da Vinci"
			},
			{
				name:"Iron Working",
				row:10,
				prerequisites:["Bronze Working"],
				quote:"'Do not wait to strike til the iron is hot, but make it hot by striking.' - William Butler Yeats"
			}
		]	
	},
	{
		columnNumber: 5,
		era:"Medieval",
		techCost: 250,
		buildingCost:160,
		wonderCost:400,
		techs:[
			{
				name:"Theology",
				row:2,
				prerequisites:["Philosophy"],
				quote:"'Three things are necessary for the salvarion of man: to know what he ought to believe; to know what he ought to desire; and to know what he ought to do' - St. Thomas Aquinas"
			},
			{
				name:"Civil Service",
				row:5,
				prerequisites:["Currency","Horseback Riding","Philosophy"],
				uniques:["Enables Open Borders agreements"],
				quote:"'The only thing that saves us from the bureaucracy is it inefficiency' - Eugene McCarthy"
			},
			{
				name:"Guilds",
				row:7,
				prerequisites:["Currency"],
				uniques:["Enables conversion of city production to gold"],
				quote:"'The merchants and the traders have come; their profits are pre-ordained...' - Sri Guru Granth Sahib"
			},
			{
				name:"Metal Casting",
				row:9,
				prerequisites:["Engineering","Iron Working"],
				quote:"'When pieces of bronze or gold or iron break, the metal-smith welds them together again in the fire, and the bond is established.' - Sri Guru Granth Sahib"
			}
		]
	},
	{
		columnNumber: 6,
		era:"Medieval",
		techCost: 440, 
		buildingCost:200,
		wonderCost:500,
		techs:[
			{
				name:"Compass",
				row:1,
				prerequisites:["Optics","Theology"],
				quote:"'I find the great thing in this world is not so much where we stand, as in what direction we are moving.' - Oliver Wendell Holmes"
			},
			{
				name:"Education",
				row:3,
				prerequisites:["Theology","Civil Service"],
				uniques:["Enables conversion of city production to science"],
				quote:"'Education is the best provision for old age.' - Aristotle"
			},
			{
				name:"Chivalry",
				row:6,
				prerequisites:["Civil Service","Guilds"],
				quote:"'Whoso pulleth out this sword of this stone and anvil, is rightwise king born of all England.' - Malory"
			},
			{
				name:"Machinery",
				row:8,
				prerequisites:["Guilds","Engineering"],
				uniques:["Improves movement speed on roads"],
				quote:"'The press is the best instrument for enlightening the mind of man, and improving him as a rational, moral and social being.' - Thomas Jefferson"
			},
			{
				name:"Physics",
				row:9,
				prerequisites:["Metal Casting"],
				quote:"'Measure what is measurable, and make measurable what is not so.' - Galileo Galilei"
			},
			{
				name:"Steel",
				row:10,
				prerequisites:["Metal Casting"],
				quote:"'John Henry said to his Captain, / 'A man ain't nothin' but a man, / And before I'll let your steam drill beat me down, / I'll die with the hammer in my hand.'' - Anonymous: The Ballad of John Henry, the Steel-Drivin' Man"
			}
		]	
	},
	{
		columnNumber: 7,
		era:"Renaissance",
		techCost: 650, 
		buildingCost:250,
		wonderCost:625,
		techs:[
			{
				name:"Astronomy",
				row:2,
				uniques:["Increases embarked movement +1","Enables embarked units to enter ocean tiles"],
				prerequisites:["Compass","Education"],
				quote:"'Joyfully to the breeze royal Odysseus spread his sail, and with his rudder skillfully he steered.' - Homer"
			},
			{
				name:"Acoustics",
				row:4,
				prerequisites:["Education"],
				quote:"'Their rising all at once was as the sound of thunder heard remote' - Milton"
			},
			{
				name:"Banking",
				row:6,
				prerequisites:["Chivalry"],
				quote:"'Happiness: a good bank account, a good cook and a good digestion' - Jean Jacques Rousseau"
			},
			{
				name:"Printing Press",
				row:8,
				prerequisites:["Machinery","Physics","Chivalry"],
				quote:"'It is a newspaper's duty to print the news and raise hell.' - The Chicago Times"
			},
			{
				name:"Gunpowder",
				row:10,
				prerequisites:["Physics","Steel"],
				quote:"'The day when two army corps can annihilate each other in one second, all civilized nations, it is to be hoped, will recoil from war and discharge their troops.' - Alfred Nobel"
			}
		]	
	},
	{
		columnNumber: 8,
		era:"Renaissance",
		techCost: 900, 
		buildingCost:300,
		wonderCost:750,
		techs:[
			{
				name:"Navigation",
				row:2,
				prerequisites:["Astronomy"],
				quote:"'The winds and the waves are always on the side of the ablest navigators.' - Edward Gibbon"
			},
			{
				name:"Architecture",
				row:4,
				prerequisites:["Acoustics","Banking"],
				quote:"'Architecture begins where engineering ends.' - Walter Gropius"
			},
			{
				name:"Economics",
				row:6,
				prerequisites:["Banking","Printing Press"],
				quote:"'Compound interest is the most powerful force in the universe.' - Albert Einstein"
			},
			{
				name:"Metallurgy",
				row:9,
				prerequisites:["Printing Press","Gunpowder"],
				quote:"'There never was a good knife made of bad steel.' - Benjamin Franklin"
			}
			{
				name:"Chemistry",
				row:10,
				prerequisites:["Gunpowder"],
				quote:"'Wherever we look, the work of the chemist has raised the level of our civilization and has increased the productive capacity of the nation.' - Calvin Coolidge"
			}
		]	
	},
	{
		columnNumber: 9,
		era:"Industrial",
		techCost: 1300,
		buildingCost:360,
		wonderCost:920,
		techs:[
			{
				name:"Archaeology",
				row:2,
				prerequisites:["Navigation"]
			},
			{
				name:"Scientific Theory",
				row:4,
				prerequisites:["Architecture","Economics"]
			},
			{
				name:"Industrialization",
				row:6,
				prerequisites:["Economics"]
			},
			{
				name:"Rifling",
				row:7,
				prerequisites:["Economics","Metallurgy"]
			},
			{
				name:"Military Science",
				row:9,
				prerequisites:["Metallurgy","Chemistry"]
			},
			{
				name:"Fertilizer",
				row:10,
				prerequisites:["Chemistry"]
			}
		]	
	},
	{
		columnNumber: 10,
		era:"Industrial",
		techCost: 1680,
		buildingCost:500,
		wonderCost:1060,
		techs:[
			{
				name:"Biology",
				row:2,
				prerequisites:["Archaeology","Scientific Theory"]
			},
			{
				name:"Electricity",
				row:3,
				prerequisites:["Scientific Theory"]
			},
			{
				name:"Steam Power",
				row:6,
				uniques:["Increases embarked movement +1"],
				prerequisites:["Industrialization","Scientific Theory","Rifling"]
			},
			{
				name:"Dynamite",
				row:9,
				prerequisites:["Fertilizer","Military Science"]
			}
		]	
	},
	{
		columnNumber: 11,
		era:"Modern",
		techCost: 3000,
		buildingCost:500,
		wonderCost:1250,
		techs:[
			{
				name:"Refrigeration",
				row:2,
				prerequisites:["Biology", "Electricity"], //to do: offshore platform should need this
			},
			{
				name:"Radio",
				row:3,
				prerequisites:["Electricity"]
			},
			{
				name:"Replaceable Parts",
				row:4,
				prerequisites:["Electricity","Steam Power"]
			},
			{
				name:"Flight",
				row:6,
				prerequisites:["Steam Power"]
			}
			{
				name:"Railroad",
				row:8,
				prerequisites:["Steam Power","Dynamite"]
			}
		]	
	},
	{
		columnNumber: 12,
		era:"Modern",
		techCost: 4100,
		buildingCost:500,
		wonderCost:1250,
		techs:[
			{
				name:"Plastics",
				row:3,
				prerequisites:["Radio","Replaceable Parts"]
			},
			{
				name:"Electronics",
				row:5,
				prerequisites:["Replaceable Parts", "Flight"],
			},
			{
				name:"Ballistics",
				row:6,
				prerequisites:["Flight"],
			},
			{
				name:"Combustion",
				row:8,
				prerequisites:["Railroad"]
			}
		]	
	},
	{
		columnNumber: 13,
		era:"Information",
		techCost: 5330,
		buildingCost:500,
		wonderCost:1250,
		techs:[
			{
				name:"Pharmaceuticals",
				row:2,
				prerequisites:["Plastics","Refrigeration"]
			},
			{
				name:"Atomic Theory",
				row:4,
				prerequisites:["Plastics","Electronics"]
			},
			{
				name:"Radar",
				row:6,
				prerequisites:["Ballistics","Electronics"]
			},
			{
				name:"Combined Arms",
				row:8,
				prerequisites:["Ballistics","Combustion"]
			},
		]	
	},
	{
		columnNumber: 14,
		era:"Information",
		techCost: 6850,
		buildingCost:750,
		wonderCost:2000,
		techs:[
			{
				name:"Ecology",
				row:2,
				prerequisites:["Atomic Theory","Pharmaceuticals"]
			},
			{
				name:"Nuclear Fission",
				row:3,
				prerequisites:["Atomic Theory","Radar"]
			},
			{
				name:"Rocketry",
				row:6,
				prerequisites:["Radar"]
			}
			{
				name:"Computers",
				row:8,
				prerequisites:["Combined Arms","Radar"],
				uniques:["+10% science and production in all cities"]
			}
		]
	},
	{
		columnNumber: 15,
		era:"Future",
		techCost: 8182,
		buildingCost:750,
		wonderCost:1250,
		techs:[
			{
				name:"Mobile Tactics",
				row:3,
				prerequisites:["Ecology","Nuclear Fission"]
			},
			{
				name:"Satellites",
				row:5,
				prerequisites:["Nuclear Fission","Rocketry"]
			}
			{
				name:"Robotics",
				row:7,
				prerequisites:["Rocketry","Computers"]
			},
			{
				name:"Lasers",
				row:8,
				prerequisites:["Computers"]
			},
			
			
		]	
	},
	
	{
		columnNumber: 16,
		era:"Future",
		techCost: 9500,
		buildingCost:750,
		wonderCost:1250,
		techs:[
			{
				name:"Particle Physics",
				row:4,
				prerequisites:["Mobile Tactics","Satellites"]
			},
			{
				name:"Nanotechnology",
				row:7,
				prerequisites:["Robotics","Lasers"]
			},
		]	
	}
	{
		columnNumber: 17,
		era:"Future",
		techCost: 9500,
		buildingCost:750,
		wonderCost:1250,
		techs:[
			{
				name:"Future Tech",
				row:5,
				prerequisites:["Nanotechnology","Particle Physics","Satellites"],
				uniques:["Who knows what the future holds?"]
			}
		]	
	}
]