The summit is clearly visible, but the path leading up the mountain is shrouded in mist. That’s a picture of the sixth goal of the Japanese government’s Moonshot Research and Development Program, namely the “realization of a fault-tolerant, universal quantum computer that will revolutionize the economy, industry, and security by 2050.”

While all striving towards the same goal, the researchers participating in the programme have radically different opinions about the best technology for realizing quantum computers. But they all concur that when quantum computers do come online, they will have a transformative effect on society.

“Quantum computers will help solve some of the toughest problems the world is facing,” predicts Masahiro Kitagawa, director of the sixth goal of the Moonshot Program. “They’re expected to unlock Nobel-prize-level discoveries in physics, chemistry and the life sciences, and they will power the financial sector.”

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