Powerfull Tech slowst research tecnology

Le ricerche considerate potenti rallentano la ricerca in quel campo.
Enginering :
Holographic casts -> -2,5% research speed 
Nanoseparator  -> -2,5% research speed 
Destroyer -> -2,5% research speed 
Cruisers -> -2,5% research speed 
Battleship -> -2,5% research speed 
titans -> -2,5% research speed 
Juggernauts -> -2,5% research speed