I have a klimt mug I bought at the museum in Vienna. It's black with gold paint. Once I put it in the microwave and it started sparking. Turns out the gold paint might actually be gold lmao
If you ever played factorio, you know you should avoid 4 way intersections as much as possible to avoid deadlocks, specially when you have a lot of trains on the network
Clearly it could be improved. The arrow should be between the balls.