Brand new

[martydee]

I'm brand new to this game. I have both red and green science in my intermediate products, but no blue. Why is this and what must I do to have them there?

Thanks.

[daniel34]

You need to research the Battery technology to unlock Science pack 3 (the blue one).

factorio-blue-science.png (123.03 KiB) Viewed 860 times

[martydee]

Thanks. Been driving me crazy.

Marty