INFOGRAPHIC - The History of Social Networking

Via: Online Schools

INFOGRAPHIC - The Energy Savings of “Low Hanging Fruit”

INFOGRAPHIC - History of Solar Energy

Solar energy, radiant light and heat from the sun, has been harnessed by humans since ancient times using a range of ever-evolving technologies. Solar radiation, along with secondary solar-powered resources such as wind and wave power, hydroelectricity and biomass, account for most of the available renewable energy on earth. Only a minuscule fraction of the available solar energy is used.


Solar powered electrical generation relies on heat engines and photovoltaics. Solar energy's uses are limited only by human ingenuity. A partial list of solar applications includes space heating and cooling through solar architecture, potable water via distillation and disinfection, daylighting, solar hot water, solar cooking, and high temperature process heat for industrial purposes.To harvest the solar energy, the most common way is to use solar panels.


Solar technologies are broadly characterized as either passive solar or active solar depending on the way they capture, convert and distribute solar energy. Active solar techniques include the use of photovoltaic panels and solar thermal collectors to harness the energy. Passive solar techniques include orienting a building to the Sun, selecting materials with favorable thermal mass or light dispersing properties, and designing spaces that naturally circulate air. (Wikipedia)

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INFOGRAPHIC - The Best States for Alternative Energy

As we move towards an electricity grid made up of renewable energy, it's a good idea to see from where that energy is going to come. Some places in the country are more naturally suited towards generating certain kinds of power; it's much sunnier in the southwest and windier in the Great Plains.

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INFOGRAPHIC - How Is Wind Power Harvested?

Wikipedia defines wind power as "the conversion of wind energy into a useful form of energy, such as using wind turbines to make electricity, wind mills for mechanical power, wind pumps for pumping water or drainage, or sails to propel ships."

But how does it work?  Check out this interesting infographic for answers.

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INFOGRAPHIC - Seven Amazing Facts About Energy Efficiency

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