
Dear Readers,
There’s a particular kind of silence that follows a real scientific breakthrough, the kind that comes right before everyone starts asking, “Wait, did that really just happen?” This week, Google may have broken that silence with something called Quantum Echoes. On the surface, it sounds poetic, but beneath it lies a verified leap: a quantum processor performing a real scientific calculation faster, and more precisely, than any classical computer on Earth. No hype, no simulations, just measurable physics.
In today’s issue, we unpack what that means for AI, chemistry, and the wider scientific frontier. You’ll find a clear explanation of how Google’s Willow chip achieved verifiable quantum advantage, why this could reshape drug discovery, cryptography, and materials research, and what happens when quantum meets AI. If you’ve ever wanted to understand where “the next revolution” actually begins - this is the story to read.
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Quantum Echoes: Why Google’s New Result Matters for AI - and for Everyone Who’s Been Waiting on Quantum
There’s a new sound coming from Google’s Santa Barbara lab, and oddly enough, it’s an echo. This week, Google’s Quantum AI team reported a result they call “verifiable quantum advantage” using a protocol nicknamed Quantum Echoes on its Willow chip. In plain terms: they showed a quantum computer doing something faster—and checkably better—than the best classical machines we have, with a clear line to real scientific use. That’s not marketing poetry; it’s a peer-reviewed result in Nature.
Quantum computing tends to arrive wrapped in mystique. Words like superposition and entanglement signal real physics, but they’ve also become buzzwords that obscure what’s actually happening. The stakes are large: if quantum machines can model molecules and materials at native quantum resolution, we could shorten the path to new drugs, better batteries, lighter alloys, and safer cryptography. The trouble has always been separating promise from proof. Google’s claim - measuring a subtle “echo” in quantum dynamics orders of magnitude faster than any classical method, then verifying it - lands squarely on that fault line.
So here’s the thread we’ll follow: what quantum computing really is (without the fog), what it could do for AI and the wider world, and why this week’s “echo” might be the first note of a new era rather than yet another hype cycle. So I would like to explore the question of what quantum computing and AI are all about. But I want to explain it in a way that is easy to understand and make it tangible what this means for our lives and our everyday routines. I hope I can do this job well, because I also have to familiarize myself with the topics and do research before each DeepDive. Let's go and have fun!
Hear from Michel Devoret, our Chief Scientist of Quantum Hardware, on our latest breakthrough algorithm: Quantum Echoes. His early work on superconducting artificial atoms laid the foundation for the Willow chip, enabling verifiable quantum advantage.
— #Google Quantum AI (#@GoogleQuantumAI)
6:54 PM • Oct 23, 2025


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