This is Money, replies: A system error at Revenue and Customs has resulted in a stream of incorrect tax codes being sent out to hundreds of thousands of workers, with ...

It is known that some 2D spin-lattice Hamiltonians are “universal” simulators, in the sense that they can simulate any target Hamiltonian, but only at the cost of an exponential overhead. Here, the ...

Qubits or quantum bits are the fundamental building block for quantum information processes. Whereas conventional computers store and process data as a series of ‘1’s and ‘0’s, quantum computers use ...