What is quantum computing? Will we all have a quantum computer?



Large companies like Google, Microsoft or IBM have launched themselves into the race to lead quantum computing.


But, first of all, WHAT IS QUANTUM?


Well, quantum or quantum mechanics is a branch of physics that is responsible for studying subatomic particles, that is, the smallest particles that can exist and that we cannot observe directly.


The quantum theory that describes these tiny particles, at first it might seem strange but today we find it in things that we use every day such as the mobile phone or the credit cards that we use to buy online.


And these particles can be implemented to COMPUTERS through QUANTUM PROCESSORS.



D-Wave quantum processor


There are differences between a normal processor and a quantum processor: The first and most important is that, while processors work in bits, quantum processors work in Qbit. The difference between bits and Qbit is that the bits work on 0 and 1 and can only be one at a time, the Qbit also work on 0 and 1 but these can be both at the same time, and this is due to the quantum superposition. This implies that at the same time that a normal processor has to do several operations for different possibilities, a quantum processor can do these operations in one and give the same results in less time. Quantum computers operate approximately 3,600 times faster than conventional computers.


Along with quantum processors we have quantum computers, which are nothing more than quantum processors in hardware and in operation.


What everyone tends clear is that quantum processors are significant for the evolution of technology, because with standard processors although they are very powerful, in the long run, we would fall short. On the other hand, quantum processors give us many possibilities to advance in various fields as they have the ability to solve large data problems, implantable for conventional computers. A technology that is very beneficial for fields as important to all as health.



IBM creates the first universal quantum computer


But will we all have access to quantum computers? Apparently not for now, and that is not the intention.


The Canadian company D-Wave has been the first to commercialize quantum computers, although they are only available to companies that can afford to pay about 15 million dollars and that have advanced facilities, since they must be kept at a temperature close to absolute zero (−273.15 °). L to NASA and Google jointly purchased a D-Wave recently (see main picture of this post).


On the other hand, IBM announced the launch of the first universal quantum computer in March 2017, but they also made it clear that only large corporations or research centers can take advantage of it. But if we can benefit from them, the idea of IBM is offering the Q as a service through its network of cloud computing (cloud computing).


What we can do, if the bug bites us, is to test IBM’s quantum computer, since the firm has developed software in the cloud that allows us to work, play or simulate processes and actions on a five-qubit quantum processor. If you want to try it, you only have to enter the following link and register on the web: quantumexperience.ng.bluemix.net


And for all those who want to get into quantum computing, Microsoft released a Quantum Development Kit last December that includes its new programming language for quantum computingQ #, a quantum computing simulator, and various resources to get you started.. Q # has been created to be used when writing applets that run on a quantum processor, under the control of a classic computer and program, and is integrated with Microsoft Visual Studio.






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