WICHITA, Kan. (KWCH) -It’s happened to everyone decorating a Christmas tree at least once. You string the lights around the tree and plug them in, only to find that a section of the strand doesn’t ...
Why is that you always test 48 bulbs before you find the bad one in a 50-light string? This simple circuit allows you to divide and conquer, greatly reducing the time it takes to find the bad bulb.
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