Saru Posted April 25, 2014 #1 Share Posted April 25, 2014 How do modern light bulbs work ? Click here to watch video - 02:58s We use them every day and take their functionality for granted, but how do light bulbs actually work ? 2 Link to comment Share on other sites More sharing options...
tomelis Posted April 25, 2014 #2 Share Posted April 25, 2014 I will have to show this video for my little cousin Link to comment Share on other sites More sharing options...
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