This episode of Techsplainers explores the inner workings of quantum computers, diving deep into the physical mechanisms and infrastructure that make quantum computing possible. We break down the fundamental concept of qubits and explain how their ability to exist in superpositions creates exponential computational power. The episode examines different qubit types, including superconducting, trapped ion, quantum dots, and photonic qubits, while explaining why quantum computers require massive cooling systems operating at temperatures colder than space. Listeners will gain insights into how quantum computers differ fundamentally from classical computers in their approach to problem-solving, the emerging field of quantum-centric supercomputing, and the development of accessible quantum programming tools like IBM's Qiskit. The discussion highlights that quantum computers won't replace classical systems but will complement them by tackling previously impossible calculations, with quantum technology advancing rapidly toward systems with thousands of qubits and improved error rates.

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

Narrated by Ian Smalley