warp point opening technology - How?

[tobiasds]

I would like to play a game with no warp points, where you have to research the technology to be able to create one. What is the technology required to do this? Searched the board and have not found this question asked yet. Looked on the technology tree and don't see it unless it is a weapon technology called warp missile. But didn't think it was a weapon technology. Any help would be appreciated.