This is your Quantum Tech Updates podcast.
As the hum of the fridge plant at the UK National Quantum Computing Centre fades into the background, I can’t help but feel a tangible buzz—not just from the cryogenic chillers, but from the fact that this week, something remarkable has happened. Quantum Motion Technologies, right here in London, has quietly ushered in a new era: the world’s first silicon-based quantum computer, built using the same chip manufacturing processes that churn out the processors inside your laptop and smartphone[1]. Imagine that—a quantum leap, built on billions of transistors, right where you’d least expect it.
Now, let me paint the scene: in a corner of the Centre, towering server racks hum with familiar silicon wafers, but inside, the rules are different. These wafers are studded not just with logic gates, but with quantum bits or “qubits”—particles that can be 0, 1, or both at once, spinning in a kind of quantum ballet of superposition. Where your laptop’s bits are like light switches, strictly on or off, our qubits are more like jazz musicians, improvising in a superposition symphony, entangled, singing in harmony or discord, and occasionally, making quantum errors we have to catch before the song unravels.
To understand the scale of what Quantum Motion has achieved, let’s think about a familiar analogy. If classical bits are individual instruments, then a quantum processor is an entire orchestra—each player both present and absent, soloist and choir, until the music is called to order. The difference? Where your desktop CPU juggles a handful of instruments, a quantum computer can, in principle, conduct every orchestra on the planet simultaneously—and that’s where the magic happens. This new architecture uses “spin qubits,” where the spin of an electron acts as our quantum switch, and thanks to CMOS fabrication, these qubits can now be stamped out by the thousand, just like your iPhone’s chips[1]. That’s not just a milestone; it’s quantum computing’s industrial revolution.
But scaling qubits is one thing; keeping them in tune is another. Just days ago, at CERN, Dr. Gavin Brennen from BTQ Technologies and Macquarie University showed that quantum error correction—the art of catching mistakes in quantum orchestras—can now be done without moving qubits around, using a shared quantum “cavity” to check the health of an entire ensemble in one go[2]. It’s a bit like having a conductor who can instantly spot a sour note, no matter how many players are involved, and coax the errant jazz musician back to the score. This breakthrough could dramatically simplify the path to practical, large-scale quantum machines, and BTQ is already folding these techniques into their roadmap for fault-tolerant systems[2].
So where does this leave us? The race for useful, reliable quantum computing is heating up globally, from Google’s Willow chip to IBM’s Heron, from Quantinuum’s logical qubits to PsiQuantum’s photonic push. But today, it’s the silicon-based approach—powered by decades of semiconductor infrastructure—that’s poised to make quantum computing as ubiquitous (and upgradable) as your smartphone.
Looking ahead, there’s a palpable sense that 2025 is the “year quantum industrialized.” Japan calls it so, McKinsey expects a $100 billion quantum tech market by 2035, and here in the UK, we’re fitting quantum racks into standard data centers—no longer science fiction, but next-generation compute, real and cold and blinking in the dark[1][4].
As I adjust my lab coat and check the readings one last time, I’m reminded that quantum computing isn’t just about speed—it’s about the problems we couldn’t even imagine tackling before. Whether it’s accelerating drug discovery for health crises or optimizing energy grids for a changing climate, today’s breakthroughs are turning the keys in locks we didn’t even know existed.
Thank you for tuning in. If you have questions, or topics you want me to tackle on the air, drop me a message at
[email protected]. Be sure to subscribe to Quantum Tech Updates for more deep dives into the quantum world. This is Leo, signing off from a Quiet Please Production—for more, visit quiet please dot AI. Until next time: keep looking deeper.
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