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A phone in your pocket sounds harmless… until it suddenly turns into a bomb. In 2016, a Samsung phone began overheating in a man’s pocket and eventually exploded, leaving him with second-degree burns on his leg. The cause was the battery casing on that specific model being made too small, which forced the electrodes inside to bend and touch each other. That contact triggered a short circuit, causing the battery to overheat. Once that started, the heat kept fueling more chemical reactions inside