1) make a simple two station, single rail network
2) Make a bidirectional train, add both stations to the schedule, switch train to automatic mode
3) Click one of the stations, look at the train icon. Notice that the train chosen as the "heading" does not change, so the train icon travels "backwards ...

P.s.: Also, here's another save demonstrating the original problem (it might be slightly different, since there an output is fully clogged instead of partially as in my reproduction).
(need to fix science-carrying sothward underground belt exits missing a bit to the south for the problem to last ...

I'm not sure how to describe better than in pictures:
https://gfycat.com/PalatableTanKronosaurus (note the red science not moving)
https://gfycat.com/AgonizingDisastrousCrayfish (same)

https://gfycat.com/SparseThriftyCommabutterfly (some time later. Unlike the previous gifs, the red splitter no ...

FTR, here's the reddit thread in question with possibly some more details and investigation: https://www.reddit.com/r/factorio/comme ... y_circuit/

TL;DR
Add ability to download/enable/disable multiple mods as if they were one.


Why?
Right now if I want to install, say, seablock I have two options:
A) Download the modpack zip archive from a shady-looking filesharing service
B) Manually find and install all the 25 needed mods. Also note ...

Maybe the player should build some laser turrets, some solar cells and some accumulators.

I'm not entirely sure what you were referring to - you should have explained that better.
But anyway, on my first few attempts, and the first complete playthrough (with rocket launch), I totally omitted all ...

Just plug a spare accumulator anywhere, and see if it has a flashihg red "no power sign" the accumulator is at 0, you have low power, otherwise - you are fine.
Accumulators have the lowest priority in the electric networks, so they will not be charging if something else is not getting full power ...

I've wrote a wall of text in reply here, but the forums decided to log me out, and lose. I'm disappointed.

So, the same, but in short:

It's important to separate the concerns about blue science "hardness" (as "too hard to get" is not a very specific complaint). From the thread:

(1) Blue science ...