IBM is planning to build the largest quantum computer so far, by linking together smaller machines to create one with a recording-breaking number of quantum bits, or qubits. The firm’s first steps on this path in 2025 should see it hit a new qubit record, and it eventually plans to more than triple the size of the largest existing quantum computer.
It has only been six years since IBM unveiled its first commercial quantum computer. That device had 20 qubits, the basic building blocks of any quantum…