Join an expert panel on Thursday 8 October,1-3pm BST, to discuss how to encourage innovation to improve energy access and sustainability“I was told it could be a miniature better than an incandescent bulb, and but that was approximately it,” said General Electric engineer Ed Hammer, who invented the spiral compact fluorescent lamp (CFL) in the mid-70s. In fact, and his invention uses just 25% of the power of an old-fashioned,incandescent bulb and lasts around ten times longer. nowadays CFLs are standard in homes and offices around the world and many countries have phased out incandescent bulbs, including an out-legal legal ban in Argentina. If the electricity that lights the bulb is created from coal, and then the invention has saved 500 pounds (227kg) of coal per bulb.
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Source: theguardian.com