Companies are still sorting out how to scale the number of physical qubits that can be built into quantum computing systems, as well as optimizing how the different qubits interact with one another as the horsepower scales.
Development, cost, and talent challenges remain. Companies are still sorting out how to scale the number of physical qubits that can be built into quantum computing systems, as well as optimizing how the different qubits interact with one another as the horsepower scales. A lot of development work is currently devoted to decreasing the error rates, or the noise, in quantum computing. The technology is also expensive, given that the systems require intricate cooling technologies to shield the qubits.