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ICT


        Quantum computing could propel us




        light years into the future





              By Rudeon Snell, Global Senior Director: Industries and               For example in 2019, Google’s
                                  Customer Advisory at SAP                        quantum computer attempted a calculation
                                                                                  that would have taken our current
             oes quantum computing hold the key to unlocking the                  supercomputers roughly 10 000 years to
             secrets of the universe, to defeating climate change,                do. Their quantum computer completed
       Dhelping humanity explore the stars or even preventing                     the calculation in four minutes. This is the
        the next global pandemic? Could it help us accelerate the                 essence of what’s possible with a viable
        discovery of new drugs that combat incurable diseases, or                 quantum computer.
        help discover new materials, new ways of encryption or new                  Applications such as drug design and
        weather prediction models? Perhaps it could help Wall Street              development, weather forecasting, climate
        simulate more accurate economic forecasts, optimise global                change modelling and traffic optimisation
        portfolios and produce complex, in-depth risk analysis.                   could see quantum computing gaining
           Or is it destined to always be the technology of the future,           mainstream use in the near future. For
        never the present, similar to the promise of nuclear fusion?              cybersecurity professionals, quantum
           The obscure and sometimes magical-sounding world of quantum computing is   cryptography holds the promise of total
        considered by some to be the most important computing technology of the century.   information security. While quantum
           Amazon, Google, IBM and Microsoft, plus a host of smaller companies such as D-Wave   computers could arguably be used to
        and Rigetti, are in a race to develop a commercially viable quantum computer. China has also   easily crack encryption codes due to
        invested vast amounts of resources into developing their own quantum computing capabilities,   their hyper-fast computing capabilities,
        with Origin Quantum pushing hard to catch up with leading global players in the field.   using quantum encryption could make it
           But what are quantum computers? How could they benefit humanity? And what real-  absolutely impossible to break the code.
        world applications could we expect from this next-generation technology?    In financial services, quantum
                                                                                  computing is expected to transform
        Crash course in quantum computing                                         financial modelling. JPMorgan Chase
        The computers we use today use bits, which are like tiny little switches that can either block   is part of IBM’s Q Network, and aims to
        or open the way for information to come through, essentially a binary structure of on and   use quantum computing to improve risk
        off. All data is made up of these bits, which are represented by ones and zeroes. And every   modelling as a start.
        photo, website, app and computer game is essentially made up of these ones and zeroes.   Beyond risk assessment, practical
           However, as our knowledge of physics has expanded, scientists have discovered that   applications of quantum computing in
        ‘on’ or ‘off’ isn’t really how the universe works. In the natural world, most things are in a state   finance beckon to be explored, with
        of uncertainty, especially as you go down to a really small scale. Our present computers are   researchers noting that “the entire
        not well equipped to deal with this level of uncertainty.                 financial market can be modelled as a
           In contrast, quantum computers are designed to handle this uncertainty. It uses qubits,   quantum process”. Simulating economic
        which can be ‘on’ or ‘off’, or both at the same time. Qubits allow computers to consider vast,   forecasts and optimising global portfolios
        previously unthinkable volumes of information, all at once. Instead of a normal computer   are just a few of the untapped areas
        considering each potential solution to a problem one-by-one, a quantum computer can   worth exploring.
        consider all possible paths and outcomes at the same time.                  Quantum computing is not only a next
           This allows quantum computers to process information a lot faster, a lot more efficiently   step in our technological development, it
        and at a scale previously unimagined. More importantly, however, because they use quantum   will accelerate the power and maturity of
        mechanics, which are the foundation to physics and chemistry, quantum computers can   our current next-generation technologies,
        analyse and effeciently process even the most complicated scenarios, something that   including artificial intelligence and
        remains outside the realm of possibility for even our most powerful supercomputers.   advanced analytics.
           People often consider quantum computers to just be better computers, but they are as   Today’s intelligent enterprises
        profoundly different to normal or even supercomputers, as a lightbulb is different to a candle.   use cloud computing and intelligent
                                                                                  technologies - such as AI and IoT - to
        Practical applications of quantum computing                               accelerate productivity and enable real-
        It’s unlikely we will ever have quantum computing chips in our smartphones or home   time decision making. With quantum
        computers. Quantum computers are incredibly sensitive to interference, and have to be   computing, intelligent enterprises would
        kept isolated and at near-zero temperatures (that’s -273 degrees Celsius, colder than outer   be able to consider all possibilities at the
        space). However, as researchers get ever closer to quantum supremacy - the point at which   same time, allowing decision-makers
        a quantum computer can regularly outperform normal computers - we are likely to see more   to manage any uncertainty in ways
        widespread adoption for a broad range of use cases.                       previously unimagined.        n



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