RENEWABLE SOURCES OF ENERGY

RENEWABLE SOURCES OF ENERGY

INTRODUCTION:
Renewable Energy is a term used to refer to forms of energy that are naturally obtained from the environment and from sources that can be replenished naturally. These include solar energy, wind energy, geothermal energy, hydropower, and biomass.

The term renewable energy should not be confused with alternative energy, which describes sources of energy outside the regular forms like gasoline that are considered more environment-friendly or less harmful.

What are renewable energies? We understand as renewable energy that whose source of obtaining is constantly renewed, placing ourselves at our disposal on a regular basis, against non-renewable energies that are not renewed or that have long renewal periods.

Developing 

Advantages of Renewable Energy

Advantages of using renewable sources of energy are:

• Less maintenance cost as most sources entail few or no moving parts, hence, less mechanical damages.
• They are economical and can cut costs spent on fossil fuel.
• They emit little or no waste in the environment.
• Renewable energy sources do not deplete. Therefore, these have a better prospect for the future.

Sources of Solar Energy

This tutorial explains five major sources of renewable energy. Each source will be reviewed briefly, although detailed discussion will be provided in the subsequent chapters.

• Solar energy − Energy from the Sun is referred to as solar energy. Solar energy could be used as either active solar or passive solar. Active solar is directly consumed in activities such as drying clothes and warming of air. Technology has provided a number of ways to utilize this abundant resource.
• Geothermal energy − This refers to heat energy stored under the ground for millions of years through the earth formation. It utilizes a rich storage of unutilized thermal energy that exists under the earth’s crust.
• Hydro-power − This is a major renewable energy source used all over the world today to produce electricity.
• Wind energy − In ancient times, wind energy was used to move ships by impacting on the sails.
• Biomass energy − In energy generation, it refers to waste plants that are utilized to generate energy by combustion.

CONCLUSION:

It is the wealth that surrounds us. We open the door of the house and the sun dazzles us, the breeze of the wind refreshes us ...

We do not have to import them from any country. They are in our valleys, our rivers, our mountains...

Only with autochthonous, inexhaustible and clean energy sources, such as renewables, is a prosperous and sustainable future conceived for our societies.

Bibliography:

https://www.monografias.com/trabajos25/energia-renovable/energia-renovable.shtml#conclu

VÍDEO:

Digital 3D

El sistema digital 3D simula el efecto que se produce en el ojo humano mientras percibe un objeto tridimensional real en los cines 3D. El proceso se genera cuando el proyector digital del cine reproduce las imágenes del ojo izquierdo y derecho a 144 imágenes por segundo, intercaladamente. Los filtros polarizadores en el caso de los IMAX (IMAX 3D especificado abajo) y RealD, la rueda de color en el caso de los Dolby 3D, o un emisor infrarrojo en el del XpanD 3D permite ver las imágenes y decodificarlas utilizando lentes especiales.

Debido a la velocidad de imágenes y los lentes utilizados, cada uno de los ojos del espectador recibe una imagen, con puntos de vista distintos, haciendo que el cerebro interprete profundidad mediante la fusión de las imágenes.

El sistema comenzó a ser usado mucho más en los primeros lustros del siglo XXI, llegando a ser llamado «el futuro del cine». El número de pantallas aumentó significativamente y a cada estreno 3D de una película, se abren más.