It’s one of the things we tend to focus on during long road trips on a hot summer day — a seemingly endless puddle in the distance that appears to vanish as we approach the spot — and then before figuring out why, we see another ahead and repeat the process, endlessly chasing vanishing puddles. It passes the time. That’s obviously no puddle, it’s a mirage. While we associate them with being stranded in the desert and thinking there’s
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