University and fourth European resource (Probabilities and possibilities)


The factories produce more food, cattle produce 5% more milk.


Pasteurization or pasteurisation is a process of food preservation in which packaged and non-packaged foods (such as milk and fruit juices) are treated with mild heat, usually to less than 100 °C (212 °F), to eliminate pathogens and extend shelf life. The process is intended to destroy or deactivate microorganisms and enzymes that contribute to food spoilage or risk of disease, including vegetative bacteria, but most bacterial spores survive the process.[1][2]

The process is named after the French microbiologist Louis Pasteur whose research in the 1860s demonstrated that thermal processing would deactivate unwanted microorganisms in wine.[2][3] Spoilage enzymes are also inactivated during pasteurization. Today, pasteurization is used widely in the dairy industry and other food processing industries to achieve food preservation and food safety.[3]

By the year 1999, most liquid products were heat treated in a continuous system where heat can be applied using a heat exchanger or the direct or indirect use of hot water and steam. Due to the mild heat, there are minor changes to the nutritional quality and sensory characteristics of the treated foods.[4] Pascalization or high pressure processing (HPP) and pulsed electric field (PEF) are non-thermal processes that are also used to pasteurize foods.[1]


Food crates increase their quantity by 25%, and infantry cost 5% less food.


Canning , method of preserving food from spoilage by storing it in containers that are hermetically sealed and then sterilized by heat. The process was invented after prolonged research by Nicolas Appert of France in 1809, in response to a call by his government for a means of preserving food for army and navy use. Appert’s method consisted of tightly sealing food inside a bottle or jar, heating it to a certain temperature, and maintaining the heat for a certain period, after which the container was kept sealed until use. It was 50 years before Louis Pasteur was able to explain why the food so treated did not spoil: the heat killed the microorganisms in the food, and the sealing kept other microorganisms from entering the jar. In 1810 Peter Durand of England patented the use of tin-coated iron cans instead of bottles, and by 1820 he was supplying canned food to the Royal Navy in large quantities. European canning methods reached the United States soon thereafter, and that country eventually became the world leader in both automated canning processes and total can production. In the late 19th century, Samuel C. Prescott and William Underwood of the United States set canning on a scientific basis by describing specific time-temperature heating requirements for sterilizing canned foods.

Isn’t canning the food tech at the factory already?


It’s true, I think that’s why I didn’t put it in the original post before now that I remember. Anyway, I wanted to share my proposal.

I have a few more recommendations on the techs.

Inoculation: +15% HP for all non-artillery units.

Interchangeable Parts: -15% cost for all units.

Dynamite: +25% siege to all heavy infantry (+25% additional for siege troopers).

Agronomy: +25% settler work rate on mills, plantations, mango groves, etc.

Patents: adds small gold trickle for each university technology researched.

Semaphore: increase ship speed by 25%.

Electricity: +2 building LOS and all research work rate by 25%.

Fumigation: Increase non-wall building HP by 50%.

Calisthenics: +10% melee attack for all units (and +20% additional melee attack for Melee Infantry).


It also had applications in mining if I’m not mistaken.

Yes. Dynamite also has mining applications. However, by the late game, mines tend to be all depleted. Maybe a +15% mining bonus can be added as well for some hypothetical “gold rush” map.

Going on a tangent, while AOE3 is revolutionary for its time, it seems funny that a game about colonialism and exploration never focused too heavily on terrain-based warfare, especially when Rise of Nations already demonstrated that these concepts are possible. (I.E. using forest and hills to launch ambushes; crossing rivers with marine-like units; make deserts, snow, swamps, etc. incur penalties to unit stats.) Otherwise, a set of university research can be created just for different terrains and maps. (For example, Meharist for a desert map or Ski Warfare for the snowy map.)

Absolutely. I know removing any kind of higher ground bonus was a conscious decision from the original devs, however height advantage alongside the other enviromental bonuses/penalties would be great.

The main issue is that height advantage is a royal pain to implement in 3D games. Because the subtleties of which terrain is higher is almost impossible to tell in this type of abstraction.

Of course, the same thing, in the Andes Crossing mission of the Steel campaign (Amelia Black’s campaign) and in the Valley Forge mission of the Fire campaign (Nathaniel Black’s campaign), the weather of heavy snowfalls lowers the life points to the units and they only recover them when they are next to bonfires; so the engine could implement maps like this and modify the gameplay…

True. TBH I think that was very similar to one of the original Dev’s comments many years ago.

I suppose you could get around this with some kind of object in-lieu of trees, swamps etc such as a rocky outcrop (which gives nearby units additional LOS or range) - something linked with being high-up that could be placed in hills, cliffs etc. Could be horribly convoluted though!

Edit: to tie it up and keep it on topic:

Terrain advantage could actually be part of a ‘Unit Doctrine’ shipment, that instead of requiring a new University building become a set of Upgrades available at various Military buildings and Arsenal. ‘Forest Skirmishing’ for example could give all Barracks units some kind of bonus for fighting close to trees.

As an alternative to the suggested ‘Dynamite’ tech, I’d love to see some other mining-related upgrades to ship or have available at the Capitol (or even Market):

Professional Miners
Ships a group of a settlers - Miners (using the campaign models) who can only mine, but mine incredibly well - pretty much like AoM Dwarves. Could possibly have their dynamite siege but still would have their villager tag.

Mining Survey
A late game tech that when researched conducts a ‘survey’ - i.e randomly spawns a number of silver/gold mines on the map which could favor you or the enemy in location! Ties in thematically with 19th century gold rushes. Would synergize with the aforementioned Professional Miners tech.

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Why does this forum have a tendency to stray so far from the original topic, when something is so specific? XD

A lot of debate that goes off the rails…It starts with A, then mutates into B and then into C and so on…xd