Once upon a time, two twin brothers are not fond of each other and were always harming each other. In an attempt to unite them, their mother went to a magician. The Magician bonded two brothers with each other which means the physical pain felt by one will also be felt by the other. One brother got severe head pain. He is afraid of medical scans like x-rays, MRIs, and CT. The pain was also felt by another brother. So the doctor examined the other brother and treated the original one. 
Do you believe this story? Absolutely not! right?
But in this 21st century this is possible but not by magic but by Science!

This is Called Digital twin. Consider yourself as an Owner of a Chips-making company like Lays. Your company is huge and is full of complicated Machines for automating chips making process. That Machine uses a lot of micro parts which are important for functioning. If something goes wrong, then you have to analyze the epicenter for fault, stop the work and repair the machine and attach and arrange them like before which is a tedious process and approximately will take more than a week to finish. 
To overcome this problem, we introduced the Digital Twin concept. 
What it does is that In the machines we will place the appropriate sensors to the parts wherever possible and we will monitor the real-time data coming from those sensors. Thus we make a twin of that machine in digital form. If something is about to go wrong, the data from the sensor will tell us about the upcoming failure and also we will know the epicenter since we know the source of that data.
Pretty Helpful right? 

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