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New Li-Fi Technology Is 100 Times Faster Than Wi-Fi





Li-Fi, the potential successor to Wi-Fi is capable of speeds of 1 gigabit per second, about a hundred times faster than the average home connection.

#3 The Successor To Wi-Fi

#3 The Successor To Wi-Fi

When the first version of the Wi-Fi protocol was released in 1997, it boasted wireless speeds of up to 2 megabits per second. Back then such speed was simply unbelievable, maybe even unneeded. Now, there's Li-Fi, a potential successor to Wi-Fi that's capable of transmitting data at 1 gigabit per second, about 100 times faster than today's average home wireless connection and 500 times faster than that first incarnation of Wi-Fi. In today's world such high speeds may seem unbelievable and unrequited, but as technology advances further everyday this technology might just be the one to replace the trusty old Wi-Fi.

Li-Fi was invented by Harald Haas from the University of Edinburgh, Scotland, back in 2011. Unlike WiFi, which transmits data using radio waves with the help of WiFi router, Li-Fi uses LED bulbs switching on and off billions of times per second to transmit strings of data. To help you understand better,think of the way a Morse code operator would tap out a message, then speed up the process by several orders of magnitude. Go to the next page to find out more about Li-Fi and the way it works. Go the third page to watch Li-Fi in action on video.

#2 Faster And Safer

#2 Faster And Safer

Li-Fi communication takes place in the visible spectrum. This means that the naked human eye is capable of seeing the light that is being emitted. However, the flickering happens far too fast for our eyes to notice it. In other words, to humans, a Li-Fi light bulb appears like any other, but actually transmits lightning-fast Internet at the same time. In a pilot scheme carried of by Estonian start-up Velmenni, the technology was trialled in offices and industrial environments in Tallinn.Velmenni used a li-fi-enabled light bulb to transmit data at speeds of 1Gbps.

Laboratory tests have shown theoretical speeds of up to 224Gbps. It was tested in an office, to allow workers to access the internet and in an industrial space, where it provided a smart lighting solution.Speaking to the International Business Times, chief executive Deepak Solanki said that the technology could reach consumers "within three to four years".There's a catch though, one which can also be seen as a boon depending on how you look at it. Because light can't pass through walls or other obstacles, a Li-Fi access point can cover only a single room. That means multiple smart LEDs will be needed to cover an apartment or a house with speedy wireless coverage.

How is this a boon? Go to the next page to watch its creator talk about Li-Fi and to understand just why it is a lot more secure than its predecessor.



#1 Li-Fi And Its Creator

If you live in an apartment building, your devices can probably pick up Wi-Fi networks belonging to your neighbors. Those networks, all sharing the same frequencies, tend to interfere with one another, slowing down speeds for everyone.But a network that uses visible light is neatly contained by the walls, floors, and ceilings of the rooms it covers - no bleeding into adjacent areas. Not only does this ensure consistent high speeds it also means that the Li-Fi system is a lot more secure than its predecessor. WiFi Signals cover a wide range of area. A person with enough knowledge can hack into your WiFi by getting close enough to the system. Li-Fi systems on the other hand need for a hacker to be extremely close to the system to carry out the same.

The talk below which has now been watched nearly two million times. It shows Prof. Haas talking and explaining his brainchild to the people. Share this story with all your friends. This is the best example of just how much we humans are still capable of achieving. Also check Top 10 Countries With The Fastest Internet Connections .





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