Solar energy sources

PV solar power - Era-Energy has started to present local, national and global companies developing, exploring and promoting renewable energy sources. More »

The Earth energy and the beauty

The Earth energy sources - Earth’s energy comes from the original formation of the planet and from radioactive decay of minerals. The geothermal gradient, which is the difference in temperature between the core of the planet and its surface, drives a continuous conduction of thermal energy in the form of heat from the core to the surface. More »

The power of the water

Hydropower, hydroelectric power or water power is power that is derived from the force or energy of flowing or falling water, which may be harnessed for useful purposes. More »

The power of the wind

The wind power is the ability of air movement to do work. Today, wind energy turbines are used mainly for production of electricity. It is a clean and renewable energy source that can produce enough electricity to power huge areas. More »

The invisible power

The energy of the wind is invisible and so powerful that has allowed humans to exploit the surface of the planet long before the discovering of electricity. More »

 

Tag Archives: cash

The energy of cash

November 12, 2012   Alternative battle   No comments
Does energy controls money or not

In physics, energy is understood as the ability of a physical system to do work on other physical systems but despite of such explanations there is no complete understanding of what energy is.
According to the law of conservation of energy, energy can neither be created nor destroyed by itself. It can only be transformed.

We often use power as a synonym of energy. Power is not a complete synonym but mostly refers to the conversion rate regarding the above mentioned law.

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