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Scienceray > Authors > LeiraOlecra
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LeiraOlecra |
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 | | What Causes the Day and Night and the Seasons | | by LeiraOlecra, Aug 25, 2008 | | The earth’s rotation on its axis causes day and night, while the heat from the sun is one cause of the seasons. The position of the earth, its rotation and revolution are the other factors. | | Comments(2) Liked It: 4 |
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 | | The Early Mechanical Calculators | | by LeiraOlecra, Aug 5, 2008 | | Without these people and their respective inventions we would never come up with the modern day calculator we are using by just the tips of our fingers. | | Comments(2) Liked It: 3 |
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 | | Early Computing Device | | by LeiraOlecra, Aug 5, 2008 | | Due to the absence of electricity and modern industrial technology, the early computing data processing was all manual and mechanical. | | Comments(6) Liked It: 3 |
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 | | The Shark and Squalene | | by LeiraOlecra, Apr 16, 2008 | | People fear sharks because in films and in news stories they are considered dangerous, but there's one good thing they produced ... Squalene. | | Comments(0) Liked It: 3 |
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