No mobile phone coverage? No worries, researchers put a tower in a phone

Unsurprisingly, the Australian outback doesn’t exactly boast the greatest mobile phone coverage in the world. But researchers down under have managed to make mobile phone calls in this remote landscape without the use of towers or satellites. Instead of relying on expensive infrastructure, the researchers created a mesh-based phone network between Wi-Fi enabled mobile phones that allowed them to communicate with each other.

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