This voice immediately woke everyone up.
Yes, although the cost of running a train is extremely low on a single basis, if it is used on a large scale, how terrible will the amount of coal required be? !
This is indeed a thought-provoking question.
Someone else shouted, "If there's no coal, just burn firewood! I understand. It's just boiling water, so it doesn't matter what you burn!"
Fang Zheng was delighted when he heard this. These old-fashioned people were quite thoughtful and had even thought about long-term issues like the shortage of coal resources.
However, in his eyes, this argument is just a common idea.
There are constant warnings about coal and oil running out, but these claims have been refuted many times.
Each time before they are exhausted, new resources are discovered and a host of alternative energy sources are developed.
Fang Zheng smiled and said, "It's theoretically possible to burn firewood, but how can firewood keep up with the ban on coal? You can't just drive a few wagons of firewood everywhere you go, right? What kind of goods are you transporting then?"
He paused for a moment and said, "However, what everyone said is not completely unreasonable. The demand for coal in steam engines is huge, but we can continue to explore new minerals, or we can purchase minerals overseas at low prices, so this won't be a problem."
"The most important thing is our understanding of the world. As you can imagine, before the waterwheel was invented, water was just used for drinking. With the waterwheel, water flow became a source of power."
“Before the invention of the steam engine, coal was just a fuel for heating and iron smelting, but now it has become a source of power through steam.”
"What does this prove? This proves that the essence of resources is knowledge, the understanding of the world. As long as the truth is infinite, the power of the train will never run out. You can rest assured!"
.....
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