Imagine a form of data transfer which enabled you to download 18 HD films in just one second.Through the power of LED lighting, it could soon become reality. Light Fidelity (Li-Fi), also known as VLC (Visible Light Communication) is a relatively new way of transmitting data wirelessly.It uses light-emitting diodes from LED bulbs to transmit at high-speed (way faster than the eye can see). It’s...

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