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I'm not seeing the quantum aspect of this story other than in the company's name.

> In this case, they arranged the carbon atoms into the shape of the organic compound polyacetylene, which is made up of a repeating chain of carbon and hydrogen atoms with an alternating pattern of single and double carbon bonds between them. To simulate those bonds, the team placed the carbon atoms at different distances apart.

> Next, the researchers ran an electrical current through the circuit to check whether it would match the signature of a natural polyacetylene molecule – and sure enough, it did. In other tests, the team created two different versions of the chain by cutting bonds at different places, and the resulting currents matched theoretical predictions perfectly.

Can someone explain how constructing/simulating a molecule and running the expected current through it is a quantum computer breakthrough? Where do the cubits/etc go?