Li-fi is a two-way, high-speed wireless technology that uses light waves instead of radio waves to transmit data.
Fed up with Wi-fi? Li-fi technology turns light bulbs into smart devices that transmit data – and it is in homes already
The idea of using LED bulbs to provide a broadband internet connection through light waves was floated in 2011; now companies are coming up with different ways to harness this power
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Future tech
Li-fi is a two-way, high-speed wireless technology that uses light waves instead of radio waves to transmit data.