From the perspective of the entire universe, is it possible that human beings have pointed out the wrong technology tree?

If human beings want to enter the space age and acquire the ability to freely sail and develop on a large scale within the solar system, the indispensable technology is energy. And there is no natural gas in space, no oxygen, no wind, no water, and the density of solar energy is the same as nothing except within the Earth's orbit, and the only feasible energy source is nuclear energy. At present, human beings rely on chemical energy and solar energy can only stay in the simple means of detection, the essence is that chemical energy is too expensive, and the solar density is only enough to provide basic electricity in the near-solar orbit.

The result? Even now, global nuclear fission accounts for only 10% of the total, the funding for nuclear fusion research is even less pitiful, and the focus of energy is to engage in various "new energy".

The key is that if new energy is an indispensable technology in this era, then this technology is also understandable, especially a crisis in this era is the issue of environmental protection and climate protection, because talking about space without the earth is a fool's dream.

But new energy has no significance in this regard except for wasting money. For example, if nuclear energy is used now, even if the new energy technology is 0, the input is basically unaffected, and carbon neutrality can be achieved early. France, for example, has achieved near-carbon-free power generation through nuclear energy more than a decade ago (70% to 80% of nuclear energy in France). Germany, which advocates new energy and clamors to cancel nuclear energy, has been engaged in more than a decade and now has more than 50% carbon energy (coal + natural gas + biomass) in power generation, and continues to pollute the environment every day. It is difficult to use new energy in an all-round way that Germany actually wants to burn wood, which is a primitive and polluting means, packaged into "renewable" new energy bioms, although it is indeed renewable, but the pollution brought during this period is very high, and counting the cutting and transportation is still a large amount of carbon dioxide energy. Energy storage technology on large-scale projects is far away for 50 years (for example, the most reliable pumped energy storage now needs to be equivalent to a hydropower station when there is no electricity, and the Three Gorges only provides 1% of China's electricity, relying on new energy to carry out dozens of Three Gorges volume of water storage and storage). Originally, Germany still relied on Russian natural gas as a fig leaf, and only after a war did it find that the so-called new energy sources were based on natural gas. There is no country of normal size in the world that only relies on new energy to achieve energy self-sufficiency, and Germany uses itself as an example to prove that new energy cannot replace carbon energy by cheap large-scale energy storage, and no matter how much money is burned, it cannot achieve carbon neutrality. And new energy has been engaged in so many years only to feed a bunch of practitioners who can only draw cakes (see the comment area), the public not only spent a huge amount of tax money and did not eat much cake, but even had to endure the fate of power rationing from time to time.

A better example is China, which has been fooled into spending a lot of money on new energy, and the result is not only that it is still mainly burning coal to make PM2.5, but also in recent years it has been constantly curtailing. First of all, the northeast has no electricity because of no wind + coal, and now Sichuan has no electricity because of drought. And because too much money and time was wasted on new energy before, missed the opportunity to guarantee large-scale cheap clean energy before the climate problem is serious, the next weather caused by the power ration is only a matter of time, during this period because of heat stroke or freeze to death will be far more than the number of nuclear accidents (such as the second serious nuclear accident Fukushima, so far because of the number of deaths caused by nuclear radiation carcinogenesis is single digits, more accurate is 2, and the number of people who died of heat under the recent heat wave of light because of no electricity or reluctance to use electricity to turn on air conditioning, It's much larger than the death toll in Fukushima).)

In addition to energy storage, a bigger problem with new energy is that many rely on local climate production capacity, and using such a means of relying on local climate to cope with climate change is artificially increasing risks.

The money wasted on new energy now far exceeds the money spent on nuclear energy, but the total amount of electricity generated is still less than that of nuclear energy. If the money had not been wasted on new energy but for nuclear energy, the global carbon emissions would have been less than half that it is now, and nuclear energy would have been more stable and would not have had the result of a power outage because of the weather. People who are now half dead or even dead by the heat wave by the power ratio heat can be very comfortable blowing air conditioning at home, and the heat wave outside will not be like today.

And this year is likely to be the coolest year in the next 30 years, because the past point wrong this technology tree, resulting in human beings in the visible future still has no large-scale cheap clean energy available, can not avoid close to 50 degrees of high temperature + wildfire + various drought floods are also cut off the results of no energy availability, but also can only blame others for polluting the environment with electricity, can only be born again How Dare You to accuse you of eating meat.

In addition to the psychological problems, nuclear energy is basically an ideal energy source, clean and safe carbon-free, nuclear fusion is even basically unlimited, and nuclear fission uses value-added reactor technology, which can also use nuclear waste as fuel to easily achieve tens of thousands of years of energy supply. The fear of ignorance of nuclear radiation/ionizing radiation is also purely human ignorance and arrogance, thinking that only nuclear waste from nuclear energy accidents can produce nuclear radiation, but it is not clear that the radiation caused by nuclear waste nuclear experiments in all human nuclear accidents is less than 1% of natural nuclear radiation, and the natural nuclear radiation energy is tens of times higher than the average according to the location. This bit of nuclear radiation brought by humans is not as big as the change brought about by moving a house and changing floors.

Moreover, the nuclear radiation in the nuclear mineral nuclear waste is not created by humans out of thin air at all, the root cause is the supernova explosion, you use the unfavorable it is all there, the more ignorant the more afraid it may be irradiated. The sun is a huge fusion reactor, emitting high-energy rays all the time, and the only shield for these high-energy ionizing radiation and human beings is the thin atmosphere, going to Tibet to wash the mind is large-scale nuclear radiation, and the Western obsession with sunbathing is the root of many skin cancers. The earth is a huge fission reactor, the heat in the core of the earth is mainly brought about by the decay of fission elements, and magma and hot springs are reactor coolants, and many hot springs are even in direct contact with radioactive materials, that is, nuclear wastewater. The reason why there are uranium or thorium ore on the earth is the result of the littering of nuclear waste in the fission reactor on the earth, and then these natural nuclear wastes produce a large amount of radon gas with nuclear radiation, which is the largest amount of nuclear radiation for every animal in every person and is the second largest lung cancer factor behind smoking. The Iranian city of Ramsar, because of its proximity to the uranium mine, has a higher natural level of nuclear radiation than that of the ghost town abandoned by the Chernobyl accident. Iran, as one of the ancient civilizations with thousands of years of history, has not seen anyone mutated into a monster there. In this case, it is better to collect the nuclear material littered on the earth, then add additional shielding, bury it in a more geologically stable place, and send a power supply during the period. Humanity evolved on such a giant nuclear fission pile full of nuclear radiation, but now because of ignorance, they are afraid of the root causes of life on this planet, and what is even funnier is that they are ignorant and afraid while enjoying natural nuclear radiation.

Maybe this is Feynman's big filter, ignorance and love for the sake of psychological well-being. Humans who do not engage in nuclear energy and new energy will die on the earth sooner or later, just like the Indians of that year, they found a method of grinding stones and thought that they lived in harmony with the natural world and then gave up development, and as a result, they were basically extinct after the arrival of the colonists.