Tech Bonus's

-Tech bonuses in research improve your ability to research.
-Navigation bonuses give you more moves
-Economic bonuses gives you a better economy
-Diplomacy bonuses will come into play when diplomacy is implemented.
-Warfare bonuses gives bonuses to your attack values.
-Espionage bonuses makes you better at stealing technologies from other races.
-Production bonuses increase your production of social projects
-Engineering bonuses help you build ships faster.

Thanks, that is helpful, especially the engineering info