Perpustakaan Digital ITB

It starting from human makes their civilization step by step to be remarkable civilization till like 21st century, what is behind for its successful development , of course must be from human brain, talent, skill, but one real thing that should not be forgot is energy. Whatever activities human do, they must need energy, they build, they think with energy all things need energy depend what the energy come from. The sistem of our life has been created by God correlated with energy since this universe been created energy was come along with it. Human eat food to produce energy and so does with others creature. But when something has to be developed more. Building for example, the energy must be needed more and more until development of energy get increased due with the technology innovation. Start from non renewable till renewable, this universe keep all the energy inside, needed to be explore and to be exploited. The problem human must now is what kind of energy that should be developed, environment friendly, economist and infinite source.Those three concepts should be answer before using energy.