This logic puzzle was published in Martin Gardner's column in the Scientific American.
You are in a room with no metal objects except for two iron rods. Only one of them is a magnet.
How can you identify which one is a magnet?
I have learned PHP the hard way. I just bumped into PHP by chance and fell in love with it since I realized its true power. I learn a lot of stuff everyday and I will try and document most of them here.
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