Master of Orion II: Battle at Antares/Power

The Power techs appear in the top left part of the Research menu. They are quite a mixed lot: ship speed upgrades, bombs, and various special systems for ships.

0 RP: starting techs
None. you have to research all the Power techs if the game starts at Pre-Warp.

50 RP: Nuclear Fission
This is a "general" tech level - even Uncreatives get all the techs. Allows food and / or colonists (includiong Androids but not Natives) to be transported between colonies. See Freight training for details. Miniaturization: none. Ship component that moves a ship through interstellar space at 2 parsecs per turn, and in combat by 1 square per combat turn. Ship Weapon that can only be used against planets and only at zero range. Does 3 to 12 points of damage, minus whatever the planet's shield may block. Miniaturization: Decreases size and cost. Modifications: none.
 * Freighters (50 PP per 5 Freighters; maintenance 0.5 BC per 1 Freighter which is in flight)
 * Nuclear Drive
 * Nuclear Bomb