![]() The technology is over a hundred years old, and yet I realized that I knew very little about it. Radio technology powers almost all wireless connectivity around us: Bluetooth, WiFi, 3G, 4G, and your microwave oven-all these operate on radio principles. ![]() You’re forgiven if that definition didn’t make sense, though, and until a few years ago, it wouldn’t have to me either. ![]() ![]() Radio is the transmission and receiving of electromagnetic radiation with wavelengths longer than that of infrared light.
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