Unshackling knowledge fields to science and magic, allowing people to choose aesthetics entirely freely based on their technical stuff here.

Fields

Fields might have some sub fields.

Building Bigger And Tougher Things

What it gives you: Bigger and better tanks, battleships, etc.

Giant robots, mobile armors, flying fortresses, mega-capital ships.

Making people better... no matter how you do it.

Making incredibly powerful heroes who can wreck shit really good. LoE Oracles, Exalts, superheroes, fantasy archmagi, etc.

From fireballs to plasma cannon, things that go boom is personal and vehicle weapons.

From death rituals requiring the sacrifice of a thousand slaves to destroy a city, to nuclear bombs and nanotech grey goo and dimension eaters.

Forcefields, armor, magical wards, regenerative powers, all of them fall under this category.

Espionage and counterespionage techniques go here.

Keeping the people back home fat and happy.

Stealth techniques and sensors.

Fast radios, better systems of organizing communications than guys carrying brightly colored flags, and so on fall under this category.