Posted by
pmx on
Aug 25th, 2011 |
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Digital textbooks are the future of textbooks. With digital textbooks, it’s will make it possible to read an infinite number of books at any given time and save countless number of trees. We found a great infographic regarding more context of digital textbooks.
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Posted by
Clarissa on
Aug 3rd, 2011 |
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Image via Wikipedia
When Did We Start Using Renewable Energy Sources?
It is said that we started to use renewable energy when our ancestors learned how to produce fire using wood. Other than burning wood, they have at their disposal the other natural resources for their energy needs. Sources like water, sun, wind and geothermal heat were already being taken advantage of.
The sun being the most...
Posted by
Clarissa on
Aug 3rd, 2011 |
no comments
Image via Wikipedia
What is Solar Energy?
Solar energy, by definition, is an alternative energy source which uses the bright light of the sun and converts it to electricity. It is much the same with wind and water energy source but the only difference is where and how it gathers the power. Due to technology and science, it has become easier for companies and houses to acquire this source of...