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Issue 01/2019

Being prepared for quantum computing

Quantum computers threaten to break encryption, but moving to quantum cryptography now could safeguard data

One of the MIT’s best-known physicists, Seth Lloyd, uses a musical analogy to explain quantum computers. Classical computation, he says, is like a solo voice that produces a series of pure tones which form a single melody. Quantum computing is more like an orchestra, where many different instruments form individual melodies that compete and complement each other to form a symphony. Quantum computers are certainly music to the ears of scientists who predict that they will eventually be able to solve incredibly complex computational problems much faster than any technology we have today.