This episode of Techsplainers explores the diverse world of qubits—the fundamental units of quantum computing. The discussion examines various qubit implementations, including superconducting qubits (used in IBM's quantum computers), trapped ion qubits, quantum dots, photon qubits, and neutral atoms, with each offering unique advantages for different quantum computing applications. The episode then delves into quantum entanglement, the phenomenon Einstein called "spooky action at a distance," where measuring one qubit instantaneously affects its entangled partner regardless of distance. This remarkable property dramatically increases quantum computing power by enabling massively parallel computations. The conversation also addresses the significant challenge of quantum decoherence—how even tiny disturbances can disrupt qubits' delicate quantum states—and highlights promising advances in quantum error correction that may help overcome these obstacles as the field rapidly evolves.

Find more information at https://www.ibm.com/think/podcasts/techsplainers.

Narrated by Ian Smalley