Weird'o' 1

The LI-FI

Isn't it weird about the name LI-FI????

                                                    lets see what it is...... 

Light fidelity is generally known as LI-FI which is similar to Wi-Fi.
Li-Fi is a high-speed wireless communication system that utilizes household LED light bulbs enabling data transfers 100 times faster than WiFi and reaching speeds of up to 224 gigabits per second.

Since light waves cannot penetrate the walls, Li-Fi is believed to be far more secure from hacking than WiFi. Li-Fi also does not require direct line of sight, and the light reflected off the walls can achieve speeds of 70 Mbits/s.
The advantage of using visible light over a normal WiFi’s radio frequency is that the spectrum is 10,000 times larger and is expected to be ten times less expensive. Researchers were able to transmit data at a rate of 224 Gbits/second, quite a lot higher than the fastest broadband in 2013. 

Want to know about its applications???
C'mon.....

Security :- In contrast to radio frequency waves used by Wi-Fi, lights cannot penetrate through walls and doors. This makes it more secure and makes it easier to control who can connect to a network. As long as transparent materials like windows are covered, access to a Li-Fi channel is limited to devices inside the room. 

Underwater Application:-Most remotely operated underwater vehicles (ROVs) use cables to transmit command, but the length of cables then limits the area ROVs can detect. However, as a light wave could travel through water, Li-Fi could be implemented on vehicles to receive and send back signals.

While it is theoretically possible for Li-Fi to be used in underwater applications, its utility is limited by the distance light can penetrate water. Significant amounts of light do not penetrate further than 200 meters. Past 1000 meters, no light penetrates.

Hospitals:- Many treatments now involve multiple individuals, Li-Fi system could be a better system to transmit communication about the information of patients. Besides providing a higher speed, light waves also have little effect on medical instruments and human bodies.

Industrial Automation:-Anywhere in industrial areas data has to be transmitted, Li-Fi is capable to replace slip rings, sliding contacts and short cables, such as Industrial Ethernet. Due to real time capability of Li-Fi, which is often required for automation processes,it is also an alternative to common industrial Wireless LAN standard

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