To build a large-scale quantum computer that works, scientists and engineers need to overcome the spontaneous errors that quantum bits, or qubits, create as they operate.

Number columns allow you to take large numbers and subtract one from another. Find out more in this Bitesize Primary KS2 Maths guide.

Explore the International Securities Identification Number (ISIN)—a vital 12-digit code in global finance for identifying and managing securities across markets.