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Cedar  ·  1709 days ago  ·  link  ·    ·  parent  ·  post: Focus: Imaging with Your Wi-Fi Hotspot

I would suppose that bandwidth, material absorption and environmental noise would be the most important factors here. Doing it with WiFi is 'novel' and gives them great publicity, it's technically impressive if they're able to meet the posited scenarios for use, but it felt like they were exaggerating or being taken out of context.

But hey, even light is just waves really.