Continuous research and development in the field of alternative energy could result in a new era in human history, in which two sources of renewable energy - solar and wind power - will become the main sources of energy on Earth.
Two challenges have been created: the global threat of energy shortages and global warming and its consequences.
The continuity of scientific and technological progress is essential to create alternative energy sources that are abundant, affordable, safe, clean and free of carbon.
Solar Cells:
Have you seen calculators without battery? They are good examples of using solar cells. They can also be seen in much larger solar panels, boards or public emergency phones on highways. There are solar cell arrays on satellites, to supply electrical systems.
Wind Energy:
In the case of a wind turbine, the turbine blades are designed to capture the kinetic energy contained in wind. The rest is almost identical to what happens in a hydroelectric power: when the turbine blades capture wind energy and start moving, they spin a shaft that connects the rotor hub to a generator. The generator turns that rotational energy into electricity. Fundamentally, generate electricity from wind is just a matter of transferring energy from one place to another.
The “the Sun lamp & Wind age" replacing the "oil age".
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