There are various uses of Solar Energy. Farmers in Traditional Farming Communities used to solarise fields by living them empty after a deep ploughing during summers. It killed insects and pests. Human skin synthesizes vitamin-D when exposed to sunlight for short durations. Mothers used to make their babies sleep in the sun after oiling their bodies during winters in order to keep them healthy and strong.
Recently, it has been found that Photo Voltaic Cells cannot be popularly used for power generation on large scales. However, our scientists have discovered that the alignment of Carbon Nano Tube with the polymer composites substrate would give very high efficiency in Photo Voltaic Conversion.
There are many different types of technologies or technological models- such as Low-tech, Hi-tech, alternative, intermediate, appropriate, blended, hard, and soft technologies.
The application of scientific knowledge for practical purposes, especially in industry, is called as technology.
questions on environmental protection
Constructing a new infrastructure; expanding a residential area; building an industrial plant; increasing the capacity of an airport – are some typical examples of developments that can be carried out only if the competent planning authorities grant the authorization.
Our beliefs and values, culture and heritage used to preserve and protect the environment through different social, religious and traditional principles
practices of modernization have disturbed the quality of environment.
man is causing serious impacts on environment. Concrete jungles do not allow rain water to enter into the gound. As such water table is falling down.
