Li-Fi technology, using LED light to transfer information, may be this decade’s new source of internet. In other words, you better get acquainted with this technological breakthrough now!


Over the past 15 years, Wi-Fi has revolutionized the life of billions of users by making the use of wires obsolete for internet access. It has also been a key driver of globalization, enabling people to have access to any information from anywhere around the world. At a time where Wi-Fi is ubiquitous in most of the developed areas of the world, a new technology may be able to outperform it in the new future. Ever heard of Li-fi?

Li-fi is a new technology currently developed by a firm named pureLifi, using LED light in order to transfer information. This can be done by using the semiconductor lying at the heart of a LED. The rationale behind this groundbreaking idea is that the light brightness emanating from a LED can be slightly changed very quickly without any notice for the human eye, and this change can be used to encode data at a record speed.

Concretely, LED is outperforming Wi-Fi, as information is transmitted more than twice faster, at 15 Gigabits per second. Moreover, traditional security issues related to the Wi-Fi could be avoided, as light cannot go through walls and therefore not be used by strangers.

Another potential value added of the Li-Fi technology is that it could be available where other communication methods fail to make the cut, such as on the water or some unsafe environments such as a petrochemical plant, where the use of another device could lead to a disastrous outcome.

Even though the technology is still at its development stage, the concept is promising. The firm has already built a Li-Fi receiver which can be inserted into a USB port. Then, according to the pureLifi founder, the technology could be easily implemented in smartphones or laptops. Therefore, chances to see Li-Fi further developed are high, and some companies are already testing this technological breakthrough, as is the case with Leclerc in one of its French subsidiaries.

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