Li-Fi : Brightening The Future
At this point of time, you must be sitting in a room illuminated by light. When a person hears the word 'Light' the first thing that comes to an individual's mind is some luminous and bright object but believe me when I say that its soon gonna change. The next time you think about 'Light' you will think about the chores it does for you. What I am talking about is Light-Fidelity abbreviated as Li-Fi.
For those who have heard about it before this blog will be helpful in knowing how it will affect our daily lives and for those who haven't, I know it sounds similar to Wi-Fi but there is one huge difference between the two which makes Li-Fi more reliable and faster (discussed later in this blog). Li-Fi is a technology introduced by Harold Hass from the University of Edinburgh. Li-Fi uses LED's (Light Emitting Diodes) which emit light waves invisible to a naked human eye. These light waves are received by the destination system and hence starts the processing of signals.
Li-Fi is popularly called the 'internet of things' and let me tell you why it is true. In no less than a decade each and every appliance of your home will become Li-Fi operated. For instance, your refrigerator will notify you of any shortage, your home will manage the power consumption itself and many more things to come. This will surely save a lot of your time and energy.
The most important thing is how it is different from the current tech Wi-Fi. Actually, Li-Fi uses light waves but Wi-Fi uses radio waves, this makes Li-Fi far more faster than Wi-Fi. Li-Fi can elevate the speeds upto 10Gbps which means you can download a High-Definition movie within seconds. Li-Fi is also cheaper technology than Wi-Fi. Li-Fi is accessible in areas where Wi-Fi can't operate for instance in airplanes. Also it causes no health issue regarding the radiations so it is also safe in hospitals and nuclear plants.
The biggest disadvantage of Li-Fi is that it cannot penetrate the walls and consequently it can only be used in confined areas, also its range till now is upto 10 metres. But what's bane in one case can serve as a boon through another perspective. As Li-Fi doesn't penetrate the walls, it is a more secure connection than Wi-Fi.
Well, I must say one thing that it has best of both worlds. But experience has taught me one thing and that is not to judge a book by its cover so we have to wait until the official launch of Li-Fi in our daily lives such that we can conclude what is better. But, one thing is for sure that Li-Fi looks good for our future and is totally in queue to revolutionize our world. I hope this blog was helpful to you. I have given you the facts, history, pros and cons but you are the one to make decisions.
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