The challenge and promise of quantum computing

Until recently, quantum computing existed more in science fiction than in reality. Now, as computing technologies and the demand for solutions to complex problems accelerate, quantum computing is making its way into the mainstream.

Still in the experimentation and development phase, quantum computing promises to revolutionize the way computing and how fast it is done.

Although it is becoming more and more practical, many people do not understand what quantum computing is and how it differs from classical or binary computing.

We spoke to experts in quantum computing to explain; and learn how this new technology could ultimately change the world.

“Quantum Computing is an entirely new paradigm that uses quantum mechanics to process information using quantum bits – qubits,” Rebel Brown, vice president of strategy and marketing for Quantum Computing, a provider of classical and quantum software, told TechNewsWorld.

“In contrast to the binary bits of classic computing, which are either switched on or off, qubits can hold several states at the same time. In this case, data is in ones and zeros in a multidimensional space. “Here she explained:” A unit of data can be a one and a zero at the same time, depending on what happens in the other dimensions that affect this data. This is a simplified explanation of the concept of ‘overlay’. “

Quantum error correction

While it may seem magical, quantum computing is deeply rooted in the physical world. However, it uses the physical realities of this world to compute complex problems much faster and more efficiently than classical computing.

“This multidimensional space can create probabilistic models of the potential outcomes of business optimization problems,” said Brown. “Quantum approaches can also deal with larger amounts of data, so that they accelerate complex analyzes and results and improve their quality.”

The power of quantum computing was difficult to take advantage of, especially due to errors that occurred while accessing its data. In particular, new techniques in error correction have made usable, scalable quantum computing more realistic.

“In contrast to conventional bits, qubits are very error-prone and inherently unstable, so a host of novel systems are required to create, control and maintain these units,” says Sebastian Weidt, Ph.D., CEO and co-founder of Universal Quantum, told TechNewsWorld.

“It’s important to fix these bugs,” he continued. “Fortunately, there is what is known as quantum error correction, a kind of algorithm that corrects the errors. In order for quantum error correction to work and the full potential of these machines to be exploited, we need many – possibly millions – qubits. “

“Building quantum computers that can reach this size is therefore of the utmost importance when it comes to developing really useful quantum computers,” said Weidt.

Advantages of quantum computers

Higher speed and efficiency are the primary goals in the development of quantum computing as a usable technology. There are limits to the speed, size, and efficiency of conventional computers, and theorists hope that quantum computers will solve some of these limitations.

“Quantum’s multidimensional analysis offers a number of advantages over binary data analysis in classic computing,” noted Brown.

“In classic computing, today’s data volumes limit the performance and problem-solving ability that a complex calculation or simulation can achieve. As the amount of data grows, the volumes slow down classic performance and eventually overload classic processors, ”she said.

“Another important difference,” said Brown, “is that the multidimensional space of quantum problem solving allows all possible combinations to be examined at the same time and a range of possible answers to be provided that all satisfy the constraints of the problem.”


Because of its unique properties, quantum computing may one day be able to solve some of the most unique complex problems in the modern world.

“Our world is already full of problems that even the fastest computers can struggle with – from biological problems like gene expression and protein folding to simulations of quantum behavior in the nuclear arsenal,” said David L. Carroll, Ph.D., professor of physics at the Wake Forest University, told TechNewsWorld.

“We simplify these problems by making unphysical assumptions that our computers can handle. This will no longer be necessary in the future of quantum computing.

“Ultimately, this means more reliable drug discovery, safer internet, autonomous vehicles we can trust, harness the complexities of swarm dynamics to defend our nation more effectively, predict weather patterns and the spread of disease on our planet more effectively,” and much more He suggested.

As technology evolves mainstream and scalable, quantum computing promises nothing less than a revolution in the computing world.

“The promise of quantum computing is to revolutionize high-performance computing – ‘HPC’ – which enables computations that were previously not thought possible, such as prime decompositions of large numbers, logistical optimization problems, realistic modeling of many-body systems, and more. Prineha Narang, Ph.D., Assistant Professor of Computational Materials Science at Harvard University, told TechNewsWorld.

“The availability of a functioning large quantum computer will have a major impact on our lives, will dramatically change communications security, enable new molecules, materials and drugs, improve traffic and logistics optimization, and improve machine learning and AI.

“Engineers and researchers are ready to harness the power of quanta in their high-performance computing environments, but the current generation of quantum computing hardware has too many limitations to obscure its revolutionary potential,” she said.

The future is (almost) now

Quantum computing is still very much in the experimental stage, but it looks like it could eventually be doable and practical.

“After decades of experimental and theoretical efforts, we are now seeing the first examples of quantum computing advantages in the areas of quantum computing and quantum simulation,” said Narang. “Now there is an opportunity to build and use the most powerful quantum computers and quantum simulators to enable new applications and new science that are made accessible by the community and jointly developed.”

There are a multitude of uses for quantum computing as science becomes mainstream; some already known, others still to be discovered.


Weidt pointed out that “the usefulness of quantum computing applications scales somewhat with the number of high-quality qubits”.

“As we scale, quantum computing will radically change the way we approach problems in areas like chemistry. The enormous computing power of quantum computers enables us, for example, to simulate complex chemical compounds. This has implications for improved drug discovery, better batteries and cleaner fertilizers, he said.

“Additional applications can be found in artificial intelligence and machine learning, cybersecurity, financial modeling, logistics optimization, and even weather forecasting and climate change,” he added.

Ultimately, because the technology is so new and constantly evolving, it promises many uses that were not yet imagined.

“Despite the long list of applications, in my opinion we barely scratched the surface to understand the entire spectrum of applications for quantum computers,” said Weidt.

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