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Nuclear power costs somewhat more than coal or hydroelectric. It can be clean if they use breed reactor, that recycle poor uraniun and turn it into plutomiun. No nuclear radioactive waste. But plutonium it's easy to turn into a nuclear weapon.
I found most solar panels take so much enerny to manufacture, that take about 5 years to a solar panel produce the energy that was require to manufacture the panel.
In this way Sunpower solar panels have a advantage, since it lifespam is much longer, since it lose 0,1% of efficience per years, while most solar panels lose 1%.
I fear the day when technology for rockets with transcontinental ability became usual to most countries, specially middle orient, and when plutonium production also became easier.
In the same way I fear the day when genetic manipulation became easy and terrorists could create super virus to kill billions of people.
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