More on the Process Wash the copper in plain water carefully. This will ensure that you get majority of the black pieces off. The red layer of cuprous oxide should remain on the metal. This will form right under the layer of cupric oxide. Get the cooked copper sheet plus the uncooked sheet then fit these into the plastic bottle. Know Your Solar Energy System Before anything else, the very first thing that you must do is you must make sure that you know what different solar energy systems there are that you can choose from. Basically, there are two different types of solar energy systems, and those are the photovoltaic (PV) panels and solar thermal systems. A solar electric system is less expensive and can give you power for up to 30 years if you maintain it well. Solar power is also a renewable source of energy, which means that it is very clean. Today, it is more important to invest in devices that do not damage the environment and atmosphere. Solar panels do not have any moving parts and will need only minimal maintenance. The primary principle that people need to know more about include solar home heating, which involves getting solar energy and transforming it into heat. You will better appreciate solar heating systems and solar energy as a whole by knowing how the process works. Here is some more info. About the Collectors A solar energy collector gets the radiant energy from the sun to be converted into heat. This is categorized according to the manner of conversion, as well as the type of energy that it gets converted into. It is important that you learn more about the types so that you can see how much energy you will need for your setup. The levels and features will also differ based on the type. Knowing the categories will help you determine if it is wise to pick a certain system or not. And with the introduction of different photovoltaic integrated products, and incorporating them into the construction of your home, or your work place, you can actually save a lot just from the initial cost of construction as compared to building a conventional custom house. Solar Pool Heater If your home, or work place, has a pool, then a solar pool heater is needed to keep that pool heated at a certain temperature.