Mrs. Pelli's Activity (2)
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Over the years, people have tweaked and improved almost every invention ever made. However, the humble incandescent light bulb, has seen very little change since Thomas Edison t...Almost 12 years agoslp4193 added a news bookmark.
While the idea of harnessing the sun's energy for fuel has been around since the 1830's the impetus to use this free and clean source of power for commercial transportation seem...Almost 12 years ago