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Quantum Physics

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Quantum Stocks Rebound as IonQ Jumps and D‑Wave Launches U.S. Government Unit

Renewed buying follows catalysts despite small revenue, with profitability still distant.

Heriot-Watt Fuses Two Quantum Networks, Teleports Entanglement in Eight-User Demo

Scientists Teleport Photon Polarization Between Separate Quantum Dots

Perlmutter Nears Full Capacity to Simulate Next-Gen Quantum Chip in Full-Wave Detail

Measuring Quantum Clocks Uses Up to a Billion Times More Energy Than Their Clockwork

Modeling Study Finds Earth-to-Satellite Quantum Uplink Feasible, Reshaping Satellite Network Plans

Physicists Say the Universe Cannot Be a Simulation

Quantum Computing’s Promise Meets Real-World Hurdles

Study Claims Mathematical Proof the Universe Is Not a Simulation

Germanium Made Superconducting, Enabling Wafer-Scale Quantum Circuits

Google Reports Verifiable Quantum Advantage as Willow Runs ‘Quantum Echoes’ 13,000x Faster Than Frontier

Google Claims First Verifiable Quantum Advantage With Willow’s ‘Quantum Echoes’

IonQ Claims 99.99% Two-Qubit Gate Fidelity in New Papers, Sending Shares Higher

Clarke, Devoret and Martinis Win Nobel Physics Prize for Macroscopic Quantum Effects in Circuits

Nobel Physics Prize Awards Trio for Proving Quantum Effects in Electric Circuits

Arizona-Led Team Controls Quantum Uncertainty in Real Time With Ultrafast Squeezed Light

Caltech Sets Record With 6,100-Qubit Neutral-Atom Array

Physicists Simultaneously Track Position and Momentum Without Violating Heisenberg

First Lab Demo Redirects Quantum Uncertainty for Sharper Dual Position–Momentum Sensing

Caltech Assembles Record 6,100-Qubit Neutral-Atom Array With High Coherence