Quantum computers could beat classical ones at answering practical questions within two years, a new experiment from IBM computers shows. The demonstration hints that true quantum supremacy, in which quantum computers overtake classical digital ones, could be here surprisingly soon.
“These machines are coming,” Sabrina Maniscalco, CEO of Helsinki-based quantum-computing startup Algorithmiq, told Nature News.
In the new study, described Wednesday (June 14) in the journal Nature, scientists used IBM’s quantum computer, known as Eagle, to simulate the magnetic properties of a real material faster than a classical computer could. It achieved this feat because it used a special error-mitigating process that compensated for noise, a fundamental weakness of quantum computers.
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