How to Prevent Future Nuclear Accidents
The biggest concern should be how well China and South Korean can continue to manage their nuclear power generation stations.
As you know, the US experienced the Three Mile Island accident in 1979; the Soviet Union suffered the Chernobyl accident in 1986; and Japan faced the Fukushima Daiichi nuclear power plant accident in 2011 which is not yet completely fixed.
So, it is very likely that China and South Korea will repeat the mistakes those nuclear advanced countries have made.
In the worst case, China would have devastating damage on its coast line from Shanghai to Hong Kong and in the regions along Chang Jiang (the Long River). South Korea would lose the southern part of its national land for nuclear contamination.
So, it is imperative for Japan, South Korea, and China to cooperate in developing more effective technology to secure safety of nuclear power plants and in pursuing new energy technologies and policies which would allow for abolition of nuclear power plants.
By the way, based on the experience of the 2011 Fukuhsima Daiichi nuclear accident, I can propose one idea for building a safe nuclear power plant.
A nuclear reactor should be built in the center of a huge artificial lake which is directly linked to a big river or a sea to take in fresh water.
The ceiling or roof the nuclear reactor should be set lower than the water surface of the lake. Then, if a big accident should occur, all the power sources should be lost, and circulation of cooling water should be stopped between the reactor and a turbine room, fresh water for preventing a meltdown of nuclear fuel could be supplied from the lake simply by workers who manually open valves of a pipe connecting the top of reactor and the lake. Then, water would flow spontaneously from the artificial lake to the inside of the crippled nuclear reactor without electricity and motors.
This simple method is surely effective, since the Fukushima Daiichi plant of Japan underwent meltdowns due to a lack of electricity to activate motors and valves needed for circulation of cooling water while the temperature inside crippled reactors was going up as water evaporated and got lost from the reactors after they suffered an M9.0 earthquake and 16-meter high tsunamis on March 11, 2011.
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Luk 11:28 But he said, Yea rather, blessed are they that hear the word of God, and keep it.