Chapter 1656
Words:788Update:22/12/06 10:26:11
There were three important industrial revolutions in human history. The first one was in the middle of the 1860s. The technological revolution started in England was a huge change in the history of technology. The steam engine was widely used as a power engine, pushing the world from the handicraft era to the "steam era".
The second industrial revolution happened in the last 30 years of the 19th century and the beginning of the 20th century. The industrial focus changed from light industry to heavy industry, and new industries such as electricity, chemistry, and petroleum appeared. The world went from the "steam era" to the "electric era".
The third industrial revolution happened in the 40s and 50s of the 20th century. There were major breakthroughs in the fields of nuclear energy, electronic computers, microelectronics, aerospace, molecular biology, and genetic engineering. It marked the arrival of a new scientific and technological revolution. The most significant one was the rapid development and widespread use of electronic computers. It opened up the information era!
These three industrial revolutions were actually accompanied by a power revolution. From the steam engine to the internal combustion engine, and then to electricity. Each power revolution brought about more advanced productivity, greatly increasing the productivity of society!
If one looked closely at the changes that Li Zexuan had made in Tang over the past year, one could see that he had skipped the steam engine and the internal combustion engine. He had directly launched the third power revolution in history — electricity!
However, although some things could be bypassed in a short period of time, they could not be bypassed forever. This was especially true for important things like the steam engine and the internal combustion engine. Human society did not eliminate the steam engine and the internal combustion engine just because there was electricity. Even in the 21st century, where electricity was developed, there were still steam engines and the internal combustion engine. For example, the cars on the streets used the internal combustion engine, and the thermal power plants still used the steam engine!
These two things were the cornerstone of human productivity. They were absolutely indispensable!
"Thermal power station? Yamachō, the book 'Physics' says that magnetism can generate electricity. But can fire generate electricity too? "
In the laboratory, after hearing Li Zexuan say that he was building a thermal power station, Li Tai was shocked and puzzled.
Li Zexuan smiled and said, "Of course, fire can't generate electricity directly. However, it can indirectly generate electricity through energy conversion, just like the Ba River Hydropower Station. Can you say that it's water generated electricity? No! Because it was the water that pushed the impeller of the waterwheel and drove the rotor of the generator to cut the magnetic field lines, electricity was produced! It's the same for the thermal power station! "
Li Zexuan's words touched Li Tai greatly. After a moment of silence, Li Tai said excitedly, "Yamachō! I understand now! You said earlier that all the energy in the world is conserved and can be converted into each other! This thermal power station must have converted heat energy into kinetic energy, and kinetic energy into electrical energy! It's just like a hydropower station! "
Li Zexuan nodded approvingly. "Qingque, your guess is correct. This thermal power station is essentially similar to a hydroelectric power station!"
"Yamachō, but fire doesn't flow like water. How can it generate kinetic energy?"
Li Tai did not become complacent because of Li Zexuan's praise. Instead, he frowned and asked.
"Yes! This was the most difficult technical problem that the thermal power station had to overcome! Qing Que, bring me a pen and paper! "
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