Making electricity directly from light has become a common practice. We have small calculators that have no batteries and only require a lamp near-by. We have remote ocean beacons that function non-stop without fuel. These do have batteries, but they are charged all day long by the sun. We ca...
We visited a demonstration solar energy house in Guelph, Ontario and Teresa Paul from Nexus Solar Corp. who designed it. In this very standard looking house we could see the bringing together of all the basic concepts of solar energy for both winter and summer. To emphasise that this did no...
The sun's energy is free. It's collecting it that costs money.
There are two different ways of collecting solar energy; actively and passively.
Active solar heating systems collect the sun's heat and transport it into the house where it is used to heat water or living space. Usually there is a...
