Posted by Fatjay on June 23, 2015 at 16:23:36 from (108.2.123.206):
In Reply to: renewable energy posted by Geo-TH,In on June 23, 2015 at 15:58:50:
I'm not ready to hop on the solar bandwagon. People are forgetting some basic things as far as solar goes.
1. Creating them takes a lot of energy, and requires quite a few caustic chemicals that have to be disposed of.
2. Disposal is toxic. While some parts can be recycled, not all can, and recycling plants are few and far between. Then you still have to dispose of the hazardous material.
3. One good hail storm, and "oops".
4. In the event of heavy winds such as found in tornado's and hurricanes, who wants to add more glass to the picture?
I don't believe solar is the future. It's expensive, and even once it's cheap it takes up a lot of space. It requires and is based a whole lot on batteries, and big ones, assuming you want to have electricity at night as well.
Solar excels in one way. It's a one step process. Direct light energy to electric energy. Every other form of production is a two step process. Heat energy to mechanical energy to electric energy, by means of heating water, spinning turbines, and creating electricity. Once we can skip the mechanical part and go directly from heat to electricity, that is where the electrical revolution will occur.
It's happening already, and it's called a thermal diode. However it is not efficient enough, it is expensive to make and doesn't provide much electricity, yet. The technology isn't there, but it will be. Think, your engine's heat is instead of being blown away, converted to electrical energy. Goodbye alternator. In the summer, the heat is turned into electricity in your home. Good bye air conditioner and good bye electric bill.
At that point, it will be however you can create heat the cheapest. Right now, it's nuclear power, but in 20-30 years, it'll be fission. Splitting an atom creates an enormous amount of heat energy, heating up thousands of thermal diodes without wasting energy by changing it's form multiple times.
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