# Hot qubits made in Sydney break one of the biggest constraints to practical quantum computers The unit cell developed by Dzurak’s team comprises two qubits c

# Hot qubits made in Sydney break one of the biggest constraints to practical quantum computers The unit cell developed by Dzurak’s team comprises two qubits confined in a pair of quantum dots embedded in silicon. The result, scaled up, can be manufactured using existing silicon chip factories, and would operate without the need for multi-million-dollar cooling. It would also be easier to integrate with conventional silicon chips, which will be needed to control the quantum processor.