Things Worth Noting
China’s latest quantum computers, Zuchongzhi 3.0 and Jiuzhang 4.0, have achieved massive quantum advantage. The 105-qubit superconducting Zuchongzhi 3.0 finished a random circuit sampling task in seconds that would take the fastest classical supercomputers billions of years, outperforming Google’s latest chips by millions of times. Jiuzhang 4.0, a photonic system using over 2,000 photons, solved […]
Quantum computing uses quantum mechanics to process data far beyond classical computers’ capabilities, leveraging qubits that exist in multiple states via superposition. Unlike binary bits (0 or 1), qubits can be both simultaneously, enabling massive parallelism. Entanglement links qubits, so one’s state instantly affects another, boosting computational power. Quantum circuits, built with gates like Hadamard […]
Richard Feynman, a Nobel Prize-winning theoretical physicist, transformed quantum mechanics with his work on quantum electrodynamics (QED) and Feynman diagrams, intuitive tools for visualizing particle interactions. Born in 1918, his curiosity drove contributions to the Manhattan Project, where he helped develop the atomic bomb, and later investigations, like the Challenger disaster, where he exposed O-ring […]