eli5: If modern computers and smartphones etc have no moving parts, then what causes their performance to steadily deteriorate as they age?
In: Technology
Dust or water can get inside usually and interrupt connections, or create different paths for electricity to flow. Water can oxidize the materials, making them less conductive. The dust can also cause airflow problems that lead to overheating, which can cause soldering to fail and allow parts that need to be touching to separate slightly.
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