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Quantum computers offer many promising applications dependent on greatly improved performance. Read how we’ve combined quantum error correction w/ our latest superconducting processor, Willow, exponentially reducing error rates w/ increasing qubit scale →

Google AI

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The future of quantum computing relies on overcoming errors. Quantum error correction is how we'll build reliable and scalable quantum systems. What excites you most about the potential of quantum error correction? #QuantumAI

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Level up your quantum expertise. Enroll in our free Coursera course on quantum error correction from Google Quantum AI and become a contributor to the next era of computing. → →

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Last year, we introduced Willow, our quantum chip, and cracked a key challenge in quantum error correction. Today, Google Quantum AI announced a new breakthrough algorithm on that chip which paves a path towards potential future uses in drug discovery and materials science.🧵

Last year, we introduced Willow, our quantum chip, and cracked a key challenge in quantum error correction. Today, Google Quantum AI announced a new breakthrough algorithm on that chip which paves a path towards potential future uses in drug discovery and materials science.🧵

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Quantum computers aren’t what you think. They’re cooler. Watch our #TED2024 TED Talk from Hartmut Neven, founder & head of Google Quantum AI → See how a quantum computer works, learn about quantum fundamentals, current and future applications, and more.

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Willow is the most advanced quantum chip yet, designed for state-of-the-art performance and flexibility. Our tunable qubits and couplers enable fast gates and operations, leading to improved performance across many metrics. Check it out → #QuantumAI

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Happy World Quantum Day! Today’s #GoogleDoodle represents the potential of the qubit. We’re harnessing its unique quantum properties to build systems capable of solving problems that remain intractable for classical computers →

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Today in nature, we published a breakthrough demonstration of verifiable quantum advantage using a measurement known as out-of-time-order correlator (OTOC), or Quantum Echoes. Performed on our Willow chip, it paves a path toward real-world applications →

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🚨 QUANTUM COMPUTING JUST HIT A NEW LEVEL Europe’s JUPITER supercomputer has reportedly achieved a world-record 50-qubit quantum simulation. That may sound small… But simulating 50 interacting qubits pushes classical computing close to its limits. Why this matters: Quantum systems become exponentially harder to simulate as they grow. At a certain point… even the most powerful traditional supercomputers struggle to predict what quantum systems are doing. That’s where quantum computing changes everything. Researchers are now building machines capable of: • simulating new materials • designing future medicines • solving optimization problems impossible for classical computers • modeling reality at the quantum level itself The race is no longer just about faster computers. It’s about building entirely new forms of computation. The next technological revolution may not run on silicon alone… but on quantum states existing in multiple possibilities at once. Follow for more future physics and quantum breakthroughs.

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🚨 JAPAN JUST PUT A REAL QUANTUM COMPUTER ONLINE FOR THE WORLD TO ACCESS. And most people still don’t realize how big this moment is. For decades, quantum computers sounded like science fiction: machines that use quantum states instead of ordinary binary bits. Now researchers in Japan have opened access to a real superconducting quantum system connected to the internet. Why this matters: • quantum simulations • next-generation AI research • new material discovery • drug development • cryptography disruption • solving problems impossible for classical computers But quantum computers work nothing like normal machines. A regular computer checks possibilities one at a time. A quantum computer can explore many probability states simultaneously through superposition and entanglement. In simple terms: It doesn’t just calculate faster… It calculates differently. That’s why these systems look so strange. The giant gold structure isn’t “the computer” itself. It’s an ultra-cold dilution refrigerator designed to keep the quantum processor near absolute zero so fragile quantum states don’t collapse. The terrifying implication is this: Humanity may be entering the first era where computation starts operating on the rules of quantum reality itself. And once quantum hardware becomes scalable… Entire industries may be rewritten from the ground up. What happens when computers stop thinking like machines… and start behaving like physics itself? Which field do you think gets transformed first and would you actually trust it with something important?

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🚨 QUANTUM BREAKTHROUGH: SCIENTISTS JUST SOLVED ONE OF PHYSICS’ BIGGEST UNSOLVED PROBLEMS. Researchers in Japan have successfully detected an elusive quantum entanglement pattern known as a “W state” something physicists have struggled to measure for decades. Why does this matter? Because W states are considered one of the key building blocks for: • quantum teleportation • ultra-secure communication • next-generation quantum internet • massively powerful quantum computers The breakthrough allows scientists to identify complex entangled photon states in a single measurement instead of using extremely slow quantum tomography. In simple terms: they found a faster way to “read” deeply entangled quantum systems. The team built a stable 3-photon optical quantum circuit capable of detecting these exotic states with high fidelity a major step toward scalable quantum networks and photonic quantum computing. This is the kind of breakthrough that moves quantum technology from fragile lab experiments… toward real-world infrastructure. The future internet may not send information through electrical signals alone. It may send reality itself through entanglement. Follow for more future physics and quantum breakthroughs.

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The difference between SEALSQ silicon-based spin-qubit QPUs and quantum processors built on superconducting circuits or trapped ions comes down to physics, manufacturability, and long-term industrial scalability. SEALSQ’s approach uses electron spins confined in silicon semiconductor structures—essentially quantum dots fabricated with CMOS-compatible processes—where the qubit is the spin state of an electron rather than a macroscopic electrical current or a free ion. This makes spin qubits orders of magnitude smaller, potentially allowing millions of qubits on a single silicon wafer, and critically aligns the technology with existing semiconductor fabs, supply chains, and design tools. In contrast, superconducting qubits rely on exotic materials and microwave resonators that are physically large, wiring-heavy, and difficult to scale beyond a few thousand qubits without massive cryogenic and control overhead. Trapped-ion systems achieve excellent qubit coherence but depend on ultra-high vacuum chambers, precision lasers, and optical alignment, making them closer to scientific instruments than manufacturable chips. Silicon spin qubits also benefit from long intrinsic coherence times (especially in isotopically purified silicon), low power dissipation, and a natural path to tight integration with classical control, cryogenic electronics, and security primitives—an area where SEALSQ’s semiconductor and hardware-security DNA becomes a strategic advantage. The trade-off is that spin qubits are technically harder to control at the single-qubit level and are earlier in large-scale deployment than superconducting systems, but if solved, they offer the most credible route to industrial-scale, cost-effective, secure quantum processors, rather than lab-scale demonstrations.

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🚨 SCIENTISTS SAY “MAGIC” MAY BE WHAT GIVES SPACE-TIME ITS GRAVITY. For years, physicists have understood how entanglement can build the structure of space-time in holographic models. But something was missing: why does space-time curve in response to matter the essence of gravity? A team including Charles Cao and John Preskill now proposes the missing ingredient is a quantum property called “magic” a measure of how complex and non-classical a quantum state is (the kind that makes quantum computers hard to simulate classically). In their theoretical framework, adding this magic turns rigid space into something that can bend. Matter can now tell space how to curve. Why this matters: • It offers a new way to think about how gravity emerges from quantum information • It connects ideas from quantum computing (error correction, magic states) directly to fundamental physics • It suggests space-time itself may be one of the most quantum objects in existence The deeper implication: Gravity may not be a fundamental force at all. It may be what happens when quantum information becomes sufficiently complex and “magical.” This is still early theoretical work in specific holographic models. But it hints that the pliability of the universe might have quantum roots we are only beginning to understand. What do you think is gravity ultimately just extremely complicated quantum information, or do you think we’re still missing something much deeper? Follow for more frontier quantum gravity and quantum information research.

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🚨 SCIENTISTS MAY HAVE FOUND A CHEAPER PATH TO QUANTUM COMPUTERS AND IT LOOKS LIKE A HONEYCOMB. Researchers in Japan created tiny cobalt honeycomb structures that show the exact magnetic behavior scientists have been chasing for next-generation quantum materials. Why this matters: Today’s most promising quantum materials rely on rare and expensive elements like iridium and ruthenium. This new approach uses cobalt —l one of the most common metals on Earth. The result: • Strong quantum magnetic interactions • Potential spin-liquid states • Dramatically lower cost • Easier manufacturing at scale The deeper implication is fascinating: Nature keeps reusing the same geometry. Honeycombs appear in beehives, in graphene… and now they may help build the quantum computers of the future. Sometimes the next technological revolution isn’t hidden in a new rare element it’s hidden in a smarter pattern. Could the future of quantum computing be built from one of Earth’s most common metals? Follow for more frontier physics.

🚨 SCIENTISTS MAY HAVE FOUND A CHEAPER PATH TO QUANTUM COMPUTERS AND IT LOOKS LIKE A HONEYCOMB. Researchers in Japan created tiny cobalt honeycomb structures that show the exact magnetic behavior scientists have been chasing for next-generation quantum materials. Why this matters: Today’s most promising quantum materials rely on rare and expensive elements like iridium and ruthenium. This new approach uses cobalt —l one of the most common metals on Earth. The result: • Strong quantum magnetic interactions • Potential spin-liquid states • Dramatically lower cost • Easier manufacturing at scale The deeper implication is fascinating: Nature keeps reusing the same geometry. Honeycombs appear in beehives, in graphene… and now they may help build the quantum computers of the future. Sometimes the next technological revolution isn’t hidden in a new rare element it’s hidden in a smarter pattern. Could the future of quantum computing be built from one of Earth’s most common metals? Follow for more frontier physics.

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