All Quantum Computing Posts
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Quantum Computing
Quantum Winter Warning: Why Overhype and the QCI Saga Could Chill Quantum Computing
The saga of Quantum Computing Inc. is a stark illustration of what happens when hype becomes unmoored from truth. If the quantum field falls into the trap of overselling and under-delivering, we will hand ammunition to detractors and possibly induce the very “quantum winter” we all want to avoid. Investors and enthusiasts should indeed be excited by progress, but also clear-eyed: practical quantum computing is…
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Quantum Computing
The Many Faces of Decoherence
Quantum computers hold enormous promise, but they face a stubborn adversary: decoherence. This is the process by which a qubit’s fragile quantum state (its superposition or entanglement) leaks into the environment and effectively "forgets" the information it was carrying. For today’s leading quantum hardware modalities – superconducting circuits, trapped-ion qubits, neutral atoms in optical traps, photonic qubits, and semiconductor spin qubits in silicon – decoherence…
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Quantum Computing
What Quantum Computers Can Do Better Than Classical Computers
Quantum computers already outperform classical computers on a few specialized tasks, and over the coming years that list of tasks will grow. They excel at problems where superposition and entanglement let them explore a vast landscape of possibilities in parallel and use interference to extract an answer – factoring numbers, searching databases, simulating quantum systems, solving certain optimization problems, and more we have yet to…
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Quantum Computing
The Rise of Logical Qubits: How Quantum Computers Fight Errors
Logical qubits are the linchpin for delivering on the promise of quantum computing. They are the qubits as we wish we had them – long-lived and trustworthy – brought to life by the ingenuity of quantum error correction. By encoding information across many imperfect qubits, scientists have shown they can create a single superior qubit, and the more qubits you throw at it, the better…
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Quantum Computing
Why I Founded Applied Quantum – The First Pure-Play, End-to-End Quantum Consultancy
Applied Quantum is a firm that for the first time would be 100% dedicated to quantum technology services – not as a sideline, not as one emerging tech practice among many, but as the entire mission of the company, and it would cover the field end-to-end. We founded Applied Quantum to be the first and only end-to-end pure-play quantum professional services firm precisely because generalist…
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Quantum Computing
Quantum Programming: An In-Depth Introduction and Framework Comparison
Quantum programming is an emerging discipline that challenges developers to think beyond classical bits and deterministic algorithms. Instead of manipulating binary 0s and 1s, quantum programmers work with qubits that can exist in multiple states at once and harness phenomena like superposition and entanglement to perform computations in fundamentally new ways. Quantum programming demands a shift in thinking: information is encoded in probability amplitudes, operations…
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Quantum Computing
How Quantum Could Break Through Amdahl’s Law and Computing’s Limits
Amdahl’s Law teaches us a humbling lesson about the limits of classical computing: there is always a portion that resists parallel speedup, chaining us to diminishing returns. We’ve coped by clever engineering – making that chain as short as possible – but not broken it. Quantum computing offers a bolt cutter for certain chains, freeing us from some of the constraints that have started to…
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Quantum Computing
Quantum Technologies and Quantum Computing in South Korea
South Korea’s quantum technology ecosystem has rapidly matured from obscurity into a well-organized force. Backed by a clear national strategy and increasing investments, Korea is making its mark through cutting-edge research at top universities, substantial government support for quantum computing and communications, and active participation from industry giants and startups alike. The country’s balanced focus – on quantum computing platforms, quantum-safe communications (QKD and PQC),…
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