The Quantum Computing Podcast with Fexingo: Qubits, Quantum Hardware, and Future Computing

Lucas and Luna explore the collision course between quantum computing and modern encryption. They focus on the specific timeline risk for RSA-2048, a standard that secures trillions of dollars in online transactions. The episode unpacks why a quantum computer with just 20 million high-fidelity physical qubits could break RSA, the sobering timeline estimates from NIST and IBM, and what post-quantum cryptography standardization means for banks, cloud providers, and everyday secure browsing. They also discuss the quiet work happening inside companies like Google and Amazon to prepare their infrastructure, and why the 'store now, decrypt later' threat is already real for long-lived data. No hype, no doomsday — just the concrete math and engineering challenges that define the next decade of computing security.

#QuantumComputing #Encryption #RSA #PostQuantumCryptography #Cybersecurity #NIST #IBM #Google #Amazon #Technology #FexingoBusiness #BusinessPodcast #FutureComputing #Qubits #QuantumHardware #DataSecurity #Crypto #LatticeBasedCrypto

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Lucas and Luna explore a neglected bottleneck in quantum computing: the supply chain for ultra-cold components. At the center of the episode is a specific 2025 report from a UK-based firm called Oxford Instruments Nanoscience, which estimated that global capacity for dilution refrigerators — the devices that cool quantum processors to near absolute zero — could fall short by 40 percent by 2028 if current production rates hold. Lucas walks through why dilution refrigerators are like the semiconductor fab tools of the quantum era, why companies like IBM and Google are already signing multi-year purchase agreements, and what a component shortage means for the timeline to fault-tolerant quantum computing. Luna pushes back on whether this is just a temporary scaling problem or a structural choke point. The episode closes with a thought about whether the supply chain itself will shape which quantum architectures win — not just the physics.

#QuantumComputing #SupplyChain #DilutionRefrigerator #OxfordInstruments #Cryogenics #IBM #Google #Technology #Business #Hardware #Scaling #Manufacturing #FaultTolerance #ColdChain #SemiconductorAnalog #QuantumHardware #FexingoBusiness #BusinessPodcast

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Lucas and Luna explore the hidden power cost behind quantum computing. While headlines focus on qubit counts and error rates, a 2025 paper from Lawrence Berkeley National Lab estimated that a practical fault-tolerant quantum computer could draw 25 to 30 megawatts of power — about what a small data center or a town of two thousand homes consumes. The hosts break down where that energy goes: cryogenic cooling for superconducting qubits, classical control electronics, and the overhead of error correction. They compare it to the energy demands of classical HPC clusters and ask whether quantum's efficiency gains can ever offset its own footprint. A 2023 study by McKinsey projected quantum computing could unlock $450 billion to $850 billion in value by 2040 — but only if the energy economics work out. Episode 10 of The Quantum Computing Podcast with Fexingo.

#QuantumComputing #EnergyConsumption #Cryogenics #FaultTolerantQuantum #PowerEfficiency #LawrenceBerkeley #McKinsey #SuperconductingQubits #ErrorCorrection #Technology #FexingoBusiness #BusinessPodcast #QuantumHardware #DataCenter #ClimateTech #GreenComputing #Qubit #CryoCooling

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In this episode of The Quantum Computing Podcast, Lucas and Luna explore the fierce competition for talent in the quantum computing industry. With fewer than 5,000 qualified experts worldwide, companies like IonQ, Rigetti, and IBM are fighting for a tiny pool of PhDs and engineers. Lucas breaks down the specific roles in highest demand — quantum algorithm developers, microwave engineers, and cryogenics specialists — and explains why the talent bottleneck is slowing progress. Luna shares a striking stat from McKinsey about how long it takes to fill a quantum engineering role. They also discuss how universities are scrambling to create new programs and what this means for the field's growth. The episode closes with a look at whether the talent crisis could ultimately benefit the industry by forcing automation and better tools.

#QuantumComputing #TalentWar #QuantumJobs #IonQ #Rigetti #IBM #McKinsey #TechTalent #STEM #QuantumAlgorithm #Cryogenics #MicrowaveEngineering #Physics #ComputerScience #QuantumHardware #FutureOfComputing #FexingoBusiness #BusinessPodcast

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Lucas and Luna tackle an overlooked bottleneck in quantum computing: the race to build fault-tolerant logical qubits. They break down why physical qubits alone won't scale, how logical qubits work as error-corrected units, and why the timeline to 'quantum advantage' hinges on this engineering challenge. With concrete examples from recent research milestones and a clear explanation of what a logical qubit actually is, this episode gives you the one metric that really matters for the next decade of quantum tech.

#QuantumComputing #LogicalQubits #FaultTolerantQuantum #ErrorCorrection #SurfaceCode #PhysicalQubits #QubitOverhead #QuantumAdvantage #ScalingQuantum #Technology #FexingoBusiness #BusinessPodcast #QuantumHardware #QuantumAlgorithms #SuperconductingQubits #QuantumEngineering #QubitEfficiency #QuantumTimelines

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Lucas and Luna explore why quantum computing's biggest challenge today isn't hardware—it's software. They zero in on a concrete case: the difficulty of compiling quantum algorithms for noisy intermediate-scale quantum (NISQ) devices. With specific examples like variational quantum eigensolvers and the challenge of mapping logical qubits to physical qubits, they explain why the software layer is falling behind. They also touch on the role of open-source frameworks like Qiskit and Cirq, and why companies like IBM and Google are investing in compilers. A must-listen for anyone wondering when quantum will actually deliver on its promises.

#QuantumComputing #QuantumSoftware #Compilers #Qubits #Qiskit #Cirq #NISQ #QuantumAlgorithms #VQE #IBMQuantum #GoogleQuantum #Technology #FexingoBusiness #BusinessPodcast #FutureComputing #QuantumHardware #QuantumErrorCorrection #TechBottleneck

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In this episode, Lucas and Luna explore the emerging field of quantum networking and how it could reshape secure communication and distributed computing. They anchor the discussion on the recent record set by Chinese researchers who transmitted entangled photons over 1,200 kilometers via satellite, and unpack what that milestone means for building a global quantum internet. The hosts also examine the role of quantum repeaters, the challenge of decoherence in long-distance entanglement, and why companies like Honeywell and IBM are investing in quantum network testbeds. Luna raises the question of whether this technology could render current encryption obsolete, and Lucas explains the concept of quantum key distribution (QKD) as a concrete near-term use case. The episode closes with a forward-looking thought on how a networked quantum future might change not just cryptography but also the way we solve problems collectively.

#QuantumInternet #QuantumNetworking #QuantumKeyDistribution #QuantumCommunication #Entanglement #QuantumRepeaters #ChineseSatellite #Micius #Honeywell #IBM #Qubits #Decoherence #Cryptography #SecureCommunication #Technology #QuantumComputingPodcast #FexingoBusiness #BusinessPodcast

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Lucas and Luna explore a less-hyped but critical enabler of practical quantum computers: superconducting cables. They zero in on the specific challenge of delivering high-fidelity control signals to qubits inside dilution refrigerators without heat leakage or signal degradation. The episode examines a 2025 breakthrough from researchers at the University of Waterloo's Institute for Quantum Computing, who developed a flexible, high-density superconducting ribbon cable that reduced thermal load by 90 percent compared to conventional coax lines. Lucas explains why this matters for scaling quantum chips beyond a few dozen qubits, and Luna asks whether the cable's exotic niobium-titanium alloy fabrication can be mass-produced at a reasonable cost. The conversation touches on the tension between materials science elegance and manufacturing pragmatism, and closes with a look at how this technology could accelerate timelines for fault-tolerant quantum computers.

#QuantumComputing #SuperconductingCables #Qubits #DilutionRefrigerator #CryogenicElectronics #NiobiumTitanium #UniversityOfWaterloo #IQC #QuantumHardware #ScalingQuantumComputers #ControlSignals #ThermalLoad #MaterialsScience #Technology #FexingoBusiness #BusinessPodcast #FutureComputing #QuantumTech

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Lucas and Luna explore how quantum computing is already transforming materials science, long before full fault-tolerant quantum machines arrive. They focus on a concrete example: simulating lithium-sulfur battery chemistry to reduce dendrite formation, a problem classical supercomputers can't crack. The episode discusses the transition from classical approximations to quantum models, the role of hybrid classical-quantum algorithms like VQE, and what breakthroughs like improved battery electrolytes could mean for energy storage, electric vehicles, and grid-scale batteries. Drawing on recent progress from D-Wave and IBM's quantum systems, the hosts explain why materials science is the killer app for near-term quantum advantage. Includes a brief listener-support moment.

#QuantumComputing #MaterialsScience #BatteryTech #LithiumSulfur #VQE #QuantumAlgorithms #DWave #IBMQuantum #EnergyStorage #EVBatteries #QuantumAdvantage #HybridQuantumClassical #Technology #ChemistrySimulation #ScientificComputing #FexingoBusiness #BusinessPodcast #LucasAndLuna

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Episode 3 of The Quantum Computing Podcast with Fexingo dives into the heated debate over quantum supremacy claims. Lucas and Luna unpack the landmark 2019 Google Sycamore experiment versus the 2023 Jiuzhang 3.0 photonic demonstration from China, explaining why each claim sparked controversy. They break down the key metric — random circuit sampling — and discuss whether it proves genuine advantage or just clever benchmarking. The hosts also compare superconducting qubits (used by Google and IBM) with photonic systems (used by Jiuzhang), highlighting the trade-offs in speed, scalability, and error rates. They conclude by examining what real-world applications might finally settle the supremacy question, from drug discovery to cryptography. A must-listen for anyone confused by competing headlines about who reached quantum supremacy first and what it actually means.

#QuantumSupremacy #GoogleSycamore #Jiuzhang3 #RandomCircuitSampling #SuperconductingQubits #PhotonicQuantum #QubitDebate #QuantumComputing #Technology #FexingoBusiness #BusinessPodcast #LucasAndLuna #QuantumBenchmark #IBM #QuantumAdvantage #Cryptography #DrugDiscovery #Scalability

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