Alternative energy can be used in our homes to replace [...]
The next time your friend with a swimming pool is out of town and you desperately need to cool off, try this fun little project for a batteryless, solar powered personal fan.
Wind power is seen as one of the renewable energy sources that can be tapped to decrease the greenhouse gas in the atmosphere. At present, it is used across the world, with some countries getting ten percent of their power from it.
If you've decided not to use a professional solar panel installer, but to install your own solar panels, there are several factors you should take into consideration. In particular, you should consider the size of your solar panel system, as this will determine where and how you install it, and you should consider whether or not you want to tie your system to the power grid.
If you live in a place where the wind is blowing most of the time, then you could harness it to generate electricity. One way to do so is through a home-built wind generator.
Mr. Buzz is a lightweight solar power battery charger in a cup that uses flexible PowerFilm solar panels to charge a 2400mA battery pack.
You can make homemade solar cells using materials purchased at a hardware store, which while not as practical as commercially varieties, can be used to teach students about solar energy.
Solar panels are guaranteed for life, but over the years small problems may surface. If you experience a drop in the power output or your batteries are not charging properly, something is likely wrong with your solar power system.