For about as long as wireless tech has existed in the public sector, people have been looking for ways to manipulate it, be it for good, for evil, or for practicality. One of the most common examples of this practice involves using tin foil, which could theoretically be used to block and redirect wireless waves due to its metallic constitution. Some tinkerers have managed to get results from focusing a Wi-Fi router’s signal in a particular direction using tin
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