Finding metal ore still holds great significance.
The next day, they continued moving southeast.
Again, they looked at every peak and every valley.
Actually, Ma Lin's enthusiasm was not as high as before, because he suddenly realized that his abilities were limited, and that engaging in various inventions and creations was very time-consuming.
Perhaps he could spend his entire life without solving certain technical problems. One reason is that he has no helpers; the primitives themselves are illiterate, and turning them into technicians or researchers is incredibly difficult.
Ma Lin is still collecting various chemical substances.
He carries several small bottles with him.
He's very curious about the components and uses of these substances.
Actually, he has another question in his mind.
How are batteries made?
Logically speaking, it shouldn't be that difficult.
Does he need to develop batteries in this world?