Thorium is indeed absolutely amazing. The reason we stick with traditional reactors, is because we can use the waste for nuclear warheads, I believe.
It's a shame really. There wouldn't even really be a need for fusion, if we simply used thorium, but people are irrationally against nuclear energy and people who make a lot of money off of the fossil fuel industry probably also go a long way to prevent the development of amazing new energy technologies.
And Xei has a very good point about infrastructure. The fact that many portions of the world would literally stop functioning, because of the breakdown of infrastructure (due to the lack of practical transports, due to no fuel) is troubling, and would indeed cause a massive collapse. Energy grids also suck a lot, especially in southern Europe and the US. Local nuclear reactors would solve this problem. Self sustained societies is an absolute dream of mine. I don't want everyone to be isolated, but I don't want everyone to be dependant off of other societies either.
 Originally Posted by Supernova
Accidents aside, fission reactors create harmful waste with great longevity which is very difficult to store safely - there have already been problems with chemicals escaping from many of our current storage facilities.
Thorium reactors would produce considerably smaller amounts of waste. As the video says, we currently use 65000 tons of uranium each year, on top of other energy sources. Thorium could completely substitute all that fuel, and with only 7000 tons. There will be less waste and the waste will also be easier to handle.
Obviously, developing fusion technology is still something we will have to do, as thorium would get depleted eventually as well. But that would probably take hundreds of years, considering the numbers highlighted in the video. By that time, we should have fusion figured out.
It's important for me to express how seriously I take this. Solving the energy problem would do a lot for our world. Lately, wars have been caused mostly because people are either suffering in countries under their current leaders, or because of oil. Both of these issues would be completely eliminated. There would still be power hungry people, but technically, there wouldn't be a reason aside from that to wage war anymore.
Personally, I believe we have reached a point in human development, where we can approach world peace with some confidence, and I sincerely believe that being able to supply all parts of the world with virtually limitless amounts of energy, will play a very big role in this development.
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