Analysis
Quantum computing explained and what’s different about PsiQuantum
The Australian-invented machine uses light particles, which could be a fast way to build a quantum computer but might use too much power.
John DavidsonColumnist
There are two big things you need to know about quantum computers: they are made up of “qubits�, each of which are fiendishly difficult to make; and they need lots of them working together in unison, which is harder still.
Queensland Treasurer Cameron Dick wasn’t wrong when he likened building a quantum computer to the Apollo mission to the moon. It’s that difficult, and that costly.
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