Consider three hair-pulling problems: 1 percent of the worlds energy is used every year just to produce fertilizer; solar panels arent powerful enough to provide all the power for most homes; investing in stocks often feels like a game of Russian roulette. <\/p>\n
Those seemingly disparate issues can be solved by the same tool, according to some scientists: quantum computing. Quantum computers use superconducting particles to perform tasks and have long been seen as a luxury for the top academic echelonfar removed from the common individual. But thats quickly changing. <\/p>\n
IBM had been dabbling with commercial possibilities when last year it released Quantum Experience, a cloud-based quantum computing service researchers could use to run experiments without having to buy a quantum system. In early March, IBM took that program further and announced IBM Q, the first cloud quantum computing system for commercial use. Companies will be able to buy time on IBMs quantum computers in New York state, though IBM has not set a release date or price, and it is expected to be financially prohibitive for smaller companies at first. <\/p>\n
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Jarrod McClean, a computing sciences fellow at Lawrence Berkeley National Laboratory, says the announcement is exciting because quantum computing wasnt expected to hit commercial markets for decades. Last year, some experts estimated commercial experimentation could be five to 40 years away, yet here we are, and the potential applications could disrupt the way pharmaceutical companies make medicine, the way logistics companies schedule trains and the way hedge fund managers gain an edge in the stock market. Were seeing more application areas start to develop all the time, now that people are looking at quantum, McClean says. <\/p>\n
Quantum computing is as different from traditional computing as an abacus is from a MacBook. Classical computing was [invented] in the 1940s. This is like [that creation], but even beyond it, says Scott Crowder, IBM Systems vice president and chief technology officer of quantum computing, technical strategy and transformation. Take everything you know about how a class of computers works and forget it. <\/p>\n
Quantum computers are made up of parts called qubits, also known as quantum bits. On some problems, they leverage the strange physics of quantum mechanics to work faster than chips on a traditional computer. (Just as a plane cannot exactly compare to a race car, a classical computer will still be able to do some things better than quantum, and vice versa. Theyre just different.) <\/p>\n
Explaining how qubits work requires jumping into quantum mechanics, which doesnt follow the same rules of physics were used to in our everyday lives. Quantum entanglement and quantum superposition are particularly important; they defy common sense but take place only in environments that are incredibly tiny. <\/p>\n
IBM Quantum Computing Scientists Hanhee Paik, left, and Sarah Sheldon, right, examine the hardware inside an open dilution fridge at the IBM Q Lab at IBM's T. J. Watson Research Center in Yorktown, New York. IBM Q quantum systems and services will be delivered via the IBM Cloud platform and will be designed to tackle problems that are too complex and exponential in nature for classical computing systems to handle. One of the first and most promising applications for quantum computing will be in the area of chemistry and could lead to the discovery of new medicines and materials. Connie Zhou\/IBM <\/p>\n
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Quantum superposition is important because it allows the qubit to do two things at once. Technically, it allows the qubit to be two things at once. While traditional computers put bits in 0 and 1 configurations to calculate steps, a qubit can be a 0 and a 1 at the same time. Quantum entanglement, another purely quantum property, takes the possibilities a step further by intertwining the characteristics of two different qubits, allowing for even more calculations. Calculations that would take longer than a humans life span to work out on a classic computer can be completed in a matter of days or hours. <\/p>\n
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Eventually, quantum computing could outperform the worlds fastest supercomputerand then all computers ever made, combined. We arent there yet, but at 50 qubits, universal quantum computing would reach that inflection point and be able to solve problems existing computers cant handle, says Jerry Chow, a member of IBMs experimental quantum computing department. He added that IBM plans to build and distribute a 50-qubit system in the next few years. Google aims to complete a 49-qubit system by the end of 2017. <\/p>\n
Some experts arent convinced IBMs move into the commercial market is significant. Yoshihisa Yamamoto, a Stanford University physics professor, says, I expect the IBM quantum computer has a long way to go before it is commercialized to change our everyday life. <\/p>\n
Caltech assistant professor of computing and mathematical sciences Thomas Vidick says IBMs commercialization of quantum computing feels a bit premature and estimates it will still be 10 to 20 years before commercial applications are mainstream. The point is that quantum hardware hasn't reached maturity yet, he explains. These are large machines, but they are hard to control. There is a big overhead in the transformation that maps the problem you want to solve to a problem that the machine can solve, one that fits its architecture. <\/p>\n
Despite the skepticism, many researchers are pumped. While the current systems arent likely to solve a computational problem that regular computers cant already solve, preparing the software layer in advance will help us hit the ground running when systems large enough to be useful become available, says Michele Mosca, co-founder of the Institute for Quantum Computing at Ontarios University of Waterloo. Everyday life will start to get affected once larger-scale quantum computers are built and they are used to solve important design and optimization problems. <\/p>\n
A company called D-Wave Systems already sells 2,000-qubit systems, but its systems are different from IBMs and other forms of universal quantum computers, so many experts dont consider their development to have reached that quantum finish line. D-Wave Systemss computers are a type of quantum computer called quantum annealers, and they are limited because they can be used only on optimization problems. There is a roaring scientific debate about whether quantum annealers could eventually outpace traditional supercomputers, but regardless, this type of quantum computer is really good at one niche problem and cant expand beyond that right now. <\/p>\n
What problems could be so complicated they would require a quantum computer? Take fertilizer production, McClean says. The power-hungry process to make mass-produced fertilizer accounts for 1 percent to 2 percent of the worlds energy use per year. But theres a type of cyanobacteria that uses an enzyme to do nitrogen fixation at room temperature, which means it uses energy far more efficiently than industrial methods. Its been too challenging for classical systems to date, McClean says, but he notes that quantum computers would probably be able to reveal the enzymes secrets so researchers could re-create the process synthetically. Its such an interesting problem from a point of view of how nature is able to do this particular type of catalysis, he adds. <\/p>\n
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Pharmaceutical science could also benefit. One of the limitations to developing better, cheaper drugs is problems that arise when dealing with electronic structures, McClean says. Except with the simplest structures, like hydrogen-based molecules, understanding atomic and subatomic motion requires running computer simulations. But even that breaks down with more complex molecules. You dont even ask those questions on a classical computer because you know youre going to get it wrong, Crowder says. <\/p>\n
The ability to predict how molecules react with other drugs, and the efficacy of certain catalysts in drug development, could drastically speed up the pace of pharmaceutical development and, ideally, lower prices, McClean says. <\/p>\n
Finance is also plagued by complicated problems with multiple moving parts, says Marcos Lpez de Prado, a research fellow in the Computational Research Department at Lawrence Berkeley National Laboratory. Creating a dynamic investment portfolio that can adjust to the markets with artificial intelligence, or running simulations with multiple variables, would be ideal, but current computers aren't advanced enough to make this method possible. The problem is that a portfolio that is optimal today may not be optimal tomorrow, Lpez de Prado says, and the rebalance between the two can be so costly as to defeat its purpose. <\/p>\n
Quantum computing could figure out the optimal way to rebalance portfolios day by day (or minute by minute) since that will require a computing power beyond the current potential of digital computers, says Lpez de Prado, who is also a senior managing director at Guggenheim Partners. Instead of listening to gurus or watching TV shows with Wall Street connections, we could finally get the tools needed to replace guesswork with science. <\/p>\n
While business applications within quantum computing are mostly hopeful theories, theres one area where experts agree quantum could be valuable: optimization. Using quantum computing to create a program that thinks through how to make business operations faster, smarter and cheaper could revolutionize countless industries, Lpez de Prado says. <\/p>\n
For example, quantum computers could be used to organize delivery truck routes so holiday gifts arrive faster during the rush before Christmas. They could take thousands of self-driving cars and organize them on the highway so all the drivers get to their destination via the fastest route. They could create automated translating software so international businesses dont have to bother with delays caused from translating emails. Optimization is just a generic hammer they can use on all these nails, McClean says. <\/p>\n
One day, quantum might even be used for nationwide problems, like optimizing the entire U.S. economy or organizing a national power grid. <\/p>\n
Just as computers presented a huge advantage to the handful of companies that could afford them when they first came on the commercial market, its possible that a few companies might gain a tactical advantage by using quantum computing now. For example, if only a few investors use quantum computing to balance portfolios, the rest of the market will probably lose money. But what happens when quantum computing goes mainstream? asks Lpez de Prado. That tactical disadvantage disappears. Instead, everyone will be able to make better investment decisions. People will rely on science rather than stories. <\/p>\n
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Quantum Computing Is Going Commercial With the Potential ...<\/a><\/p>\n","protected":false},"excerpt":{"rendered":" Consider three hair-pulling problems: 1 percent of the worlds energy is used every year just to produce fertilizer; solar panels arent powerful enough to provide all the power for most homes; investing in stocks often feels like a game of Russian roulette. Continue reading