Tuesday, October 22, 2019

Quantum Computer | Does Google really have it !


Google has recently claims to have most developed and advanced Quantum Computer, which for the first time achieved 'quantum supremacy'. That is, Google has surpassed all conventional computers in terms of computing calculations or performance. Recently the BBC published news release regarding this. Research articles have also been published in the ‘Nature’ journal.

What is Quantum Computer:
A Quantum Computer can solve many complex problems of quantum mechanism easily. In order to solve the same problem, a super computer takes hundreds of thousands of years. This is called quantum supremacy. When an organization or a country will be able solve such complex problems in a very short time using quantum computers, it will be said that they have achieved quantum supremacy.

Google has made a sycamore quantum processor and this Google-made quantum processor is capable of completing a specific task within 200 seconds while it will take thousand years to complete the same task using world's best supercomputer. Researchers and engineers have been trying to build quantum computers for decades and they have announced that such a computer will be far ahead of the speed.

In the binary system, the numbers are only one and two (1 and 2). With this binary majority, all kinds of work are done by the present computer system. However 0 and 1 cannot be represented at the same time. Quantum computers are far ahead in this step compared to traditional computers.

Google has claimed that a quantum computer can do the work that is not possible using a conventional computer. Researchers compared this invention to the discovery of the first aircraft of the Wilbur Wright brothers in 1903. This is the beginning of fantasy. However, it will take more time to get the full benefits from this computer. Google's quantum computer information leaked last month. It claims that Google has already created a quantum computer.


Power of Quantum Computer:
Quantum computers have been a widely discussed term in the technology world for many years. It is said that anyone who can reach this computer will be the controller of the whole world.

The special chip called 'Sycamore' consists of a two-dimensional array of 54 transmon qubits (the basic unit of quantum computers), where each qubit is tunably coupled to four nearest neighbors, in a rectangular lattice. Qubits can perform many times more than traditional computer bits.

Advantages of Quantum Computer:
Quantum computers have many advantages. It does not solve many mathematical problems. According to scientists, quantum computers will be able to solve the problems that traditional computers have in order to solve very complex problems. As a result, quantum computers can revolutionize everywhere - from pharmaceuticals to oil industries.

Particularly complex mathematical problems in physics and chemistry can be solved quickly. New drugs will be invented using Quantum Computer. Commercial algorithms of financial institutions can be further improved. Even the early forms of artificial intelligence that scientists are working can be improved larger scale.

Disadvantages of Quantum Computer:
There are risks. If an advanced quantum computer created, all the security of the current Internet of Things could be collapse like a house of playing cards. British famous newspaper The Economist says quantum computers will be able to do whatever they want in any organization or company. The personal information of billions of Internet users across the world can be taken into their own memory. The government database can be hacked. Undue control can be imposed in the banking system. State defense system can be turned off if desired. Considering these aspects, many do not even hesitate to call it a "terrible" computer.

Google Says:
Google AI Quantum is advancing quantum computing by developing quantum processors and novel quantum algorithms to help researchers and developers solve near-term problems both theoretical and practical. We think quantum computing will help us develop the innovations of tomorrow, including AI. That’s why we’re committed to building dedicated quantum hardware and software today. Quantum computing is a new paradigm that will play a big role in accelerating tasks for AI. We want to offer researchers and developers access to open source frameworks and computing power that can operate beyond classical capabilities.

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