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This is what wi-fi actually 'looks' like and it’s incredible

We know what Wi-Fi does - we're just not exactly sure how it does it. 

A clever box gets plugged into the phone line, some tech voodoo occurs and our smartphones are filled with cat videos. That's about as much as we understand it.

Newcastle University doctoral researcher Luis Hernan has been attempting to bring the world of Wi-Fi to life with his ongoing project, Digital Ethereal, bringing wireless signals to life with artistic photography.

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