Glow-in-the-dark plants have been a novel creation for decades now, but as far as practical use goes, their benefits have remained to be seen. Without a useful purpose, the cost of genetically engineering plants to glow is simply not worth it. However, there is perhaps no other source of light that is as eco-friendly as • Read More »
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Christmas Tree Lights Powered by Pedestrian Footsteps
December 14, 2011 | By Kevin | No Comments | Filed in: Human Power.At a United Kingdom shopping mall, pedestrians are powering the towering Christmas tree. Worldwide 7.7 billion kWh of coal (some of which is in your stocking this year) and natural gas are used to power Christmas tree lights. Well, the Midsummer Place Shopping Centre has decided to stomp out this abuse of power this year • Read More »