Trading techs in Simultaneous game (PBW)

[Dragonlord]

Another question came to mind: in a low tech game early on, let's say I research Physics I and then Shields. My ally has not done Physics I yet. If I give/trade him Shields, will that automatically give him Physics I and open up the other branches of the tech tree for him that are related to Physics I?

(same for Constuction => Mines , etc.)

[Seawolf]

Dragon,

No giving him shields WILL NOT give him the basic tech to get to shields. he will get a message that he received the tech but can't understand it and will not be able to use it. You need to send both Physics and shields for him to have it.

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Seawolf on the prowl

[Suicide Junkie]

He will get the tech for shields, but will not be able to research shields on his own until he learns physics.

You only get a "cannot understand" error if you try to trade Racial or Unique techs that you do not have the racial trait for.