crash when trying to connect copper wire to medium poles when using conditions.

0.000 2017-12-18 16:03:03; Factorio 0.16.5 (build 34419, win64, steam)
0.001 Operating system: Windows 10 (version 1709)
0.001 Program arguments: "C:\Program Files (x86)\Steam1\steamapps\common\Factorio\bin\x64 ...

Make a final tier Metal that is ultra rare and takes space science to research it's techs. Metal will be needed for MK2 of most items ( reactor, radar, lass turrents, power armour 4, robots, weapons, and other items that take metals.)

I think this would finally make this game endless if the recipes ...