Go Green 4 Health. Good Tips On How To Take Advantage Of Solar Energy. Solar power has been around for a while and the popularity of this energy source increases with each year. Solar energy is great for commercial and residen
The great thing about using a still, or in this case, a solar still to purify water is that any water source can be used, even dirty unfiltered water and sea water! Boiling water is the most common way to purify water to make it safer to drink.
By using standard 2Watt Polycrystalline cells, available on sites like eBay, you'll enable yourself to build a 100 Watt panel for around $125. Some people even opt for chipped, or B-Grade cells, that produce the same amount of power but are defective by the manufacturer's standards (ie chipped corners, etc). With this choice of solar cells a completed 100 Watt panel may cost less than $70.