Mathematicians have found a way to transform an unproductive quantum computing approach by reviving a class of previously discarded particles.
Quantum computers can solve problems beyond the capabilities of classical computers by using principles like superposition. This means a quantum bit, or qubit, can represent both 0 and 1 simultaneously, similar to the famous thought experiment of a cat being both dead and alive. But qubits are extremely fragile. Interactions with the environment can easily disrupt their quantum states. Their fragility makes it difficult to build stable quantum computers.
