Action!/Schtick/Science!

Electricity
Engineering, Physics

High Energy Conversion
Converts electric energy into any other form of energy.

Batteries
Stores electrical energy.

Electric Engine
Converts electrical energy into power.

Electric Weapons
Allows for the construction of Electric Weapons.

Long Wire Power
Allows for the transport of electricity over long distances.

Superconductors
Allows for the miniaturization of electrical devices.

Tesla coils
Allows for the wireless transfer of power.

Biochemistry
Biology, Chemistry

Communications
Engineering, Physics

Optics
Mechanics, Physics

Geology and Metallurgy
Chemistry, Geology

Flight
Engineering, Physics

Transport
Engineering

Precision Machinery
Engineering, Mechanics

Explosives
Chemistry, Mechanics

Computation
Engineering, Mechanics Actually a subset of Precision Machinery, but has its own category for its great impact on the world.

Power Production
Physics, Mechanics