Quantum computing, explained clearly
In-depth, plain-English explainers on the ideas, hardware, algorithms and companies shaping quantum computing — a new topic every day, grounded in the latest research.
50 explainers published · 20 more on the way
Pasqal
Discover how Pasqal is building powerful quantum computers using the precise control of individual atoms, opening doors to complex simulations and novel problem-solving.
Quantum Computing in Finance
Discover how quantum computers, with their mind-bending power, are poised to revolutionize financial modeling, risk analysis, and optimization.
The HHL Algorithm
Discover how a groundbreaking quantum algorithm offers a potential exponential speedup for a fundamental problem in science and engineering.
Cryogenics & Dilution Refrigerators
Quantum computers need extreme cold to function, and dilution refrigerators are the unsung heroes keeping their delicate qubits in the quantum realm.
Quantum vs Classical Computing
Unlock the secrets of quantum computing and discover how it promises to shatter the limits of today's most powerful supercomputers.
Atom Computing
Discover how Atom Computing is harnessing the power of precisely controlled atoms to build scalable, high-performance quantum computers.
Quantum Optimization & Logistics
As supply chains grow more complex, quantum computing promises to unlock unprecedented efficiency in optimization and logistics.
Quantum Simulation
Discover how quantum computers are poised to revolutionize scientific discovery by simulating the very fabric of reality.
Inside a Quantum Processor (QPU)
Beyond the hype, a quantum processor is a marvel of engineering, a delicate dance of quantum phenomena orchestrated to perform calculations impossible for even the mightiest classical supercomputers.
Decoherence & Noise
Unraveling the subtle environmental enemies that turn delicate quantum states into classical confusion, and how scientists are fighting back.
PsiQuantum
This ambitious startup is betting on light to build the quantum computers that could reshape industries.
Quantum Chemistry
Harnessing the bizarre rules of quantum mechanics to design new materials, discover drugs, and revolutionize chemistry.
Quantum Machine Learning
Explore how quantum computers are poised to revolutionize artificial intelligence, tackling problems currently intractable for even the most powerful classical machines.
Silicon Spin Qubits
Harnessing the quantum spin of electrons trapped in silicon, these qubits promise a path to scalable, fault-tolerant quantum computers built on familiar semiconductor technology.
Quantum Circuits
Unlock the secrets of quantum computing by understanding the fundamental building blocks: quantum circuits, which orchestrate qubits to perform complex calculations.
D-Wave
Explore the company that first brought quantum computing out of the lab and into the hands of researchers, focusing on its unique approach to problem-solving.
Quantum Computing in Drug Discovery
Explore how quantum computers are poised to unlock new frontiers in medicine by simulating molecules with unprecedented accuracy.
NIST Post-Quantum Standards
As quantum computers loom, the digital locks protecting our secrets are vulnerable. Discover the groundbreaking effort to create a new, quantum-proof internet.

QAOA
Discover how the Quantum Approximate Optimization Algorithm is tackling today's toughest computational challenges, one qubit at a time.

Topological Qubits
Harnessing exotic quantum states to build qubits that are inherently resistant to errors, topological qubits promise a more robust path to powerful quantum computers.

Quantum Logic Gates
Unlock the secrets of quantum computing by understanding the fundamental operations that manipulate qubits, the heart of quantum information.

Rigetti Computing
Explore the pioneering work of Rigetti Computing, a company at the forefront of designing, building, and deploying superconducting quantum computers.

Quantum Imaging
Beyond the limits of classical light, quantum imaging unlocks unprecedented detail and sensitivity, promising breakthroughs from medical diagnostics to fundamental science.

Quantum Random Number Generation
Unlock the secrets of quantum mechanics to generate truly unpredictable numbers, revolutionizing cybersecurity and beyond.

Variational Quantum Eigensolver (VQE)
Discover how the Variational Quantum Eigensolver (VQE) is bridging the gap between today's noisy quantum computers and the complex problems of chemistry and materials science.

Neutral-Atom Qubits
Harnessing the power of individual atoms, neutral-atom quantum computers are rapidly emerging as a leading contender in the race to build powerful quantum machines.

Quantum Interference
Discover how the mind-bending phenomenon of quantum interference, where quantum states can amplify or cancel each other out, is fundamental to unlocking the power of quantum computers.

Quantinuum
This quantum computing pioneer is forging a path to practical quantum advantage with its unique approach to trapped-ion technology and a focus on robust, error-corrected systems.

Atomic & Optical Clocks
Harnessing the quantum dance of atoms and light, these clocks achieve unprecedented accuracy, redefining timekeeping and enabling future technologies.

Harvest Now, Decrypt Later
As quantum computers mature, they pose a future risk to the encryption protecting our most sensitive information, prompting a race to secure data before it's too late.

Quantum Phase Estimation
Discover the algorithm that promises to revolutionize materials science, drug discovery, and our understanding of fundamental physics by precisely measuring quantum properties.

Quantum Measurement & Wavefunction Collapse
Discover how observing a quantum system forces it to make up its mind, collapsing its possibilities into a single reality.

IonQ
Discover how IonQ's unique approach to quantum computing, using precisely controlled ions, is paving the way for powerful new applications.

Quantum Sensing
Harnessing the bizarre rules of quantum mechanics, scientists are building sensors that can detect the faintest signals, revolutionizing fields from medicine to materials science.

The BB84 Protocol
Discover how the laws of quantum mechanics can be harnessed to create a communication channel so secure that any eavesdropping attempt is instantly detectable.

The Quantum Fourier Transform
Discover how this fundamental quantum algorithm acts as a powerful lens, revealing hidden patterns in quantum information and paving the way for groundbreaking discoveries.

Photonic Quantum Computing
Step into the world of quantum computing where photons, the fundamental particles of light, are the stars of the show, offering a unique path to powerful computation.

Quantum Entanglement
Explore the mind-bending phenomenon of quantum entanglement, where particles become linked in a way that defies classical intuition and promises revolutionary applications.

Google Quantum AI
Google's ambitious quest to build a fault-tolerant quantum computer promises to revolutionize science and industry, but the path is fraught with immense technical challenges.

Quantum Teleportation
Discover how quantum teleportation uses entanglement to transfer quantum states, paving the way for secure communication and powerful quantum networks.

Quantum Key Distribution (QKD)
Discover how quantum mechanics can safeguard our most sensitive information from even the most powerful future computers.

Grover's Algorithm
Discover how a quantum computer can find a needle in a haystack exponentially faster than any classical computer.

Trapped-Ion Qubits
Harnessing the delicate dance of charged atoms, trapped-ion quantum computers promise unparalleled precision and control for solving humanity's most complex problems.

Quantum Superposition Explained
Unlock the mind-bending power of quantum superposition, the principle that allows quantum computers to explore vast possibilities simultaneously.

IBM Quantum
Explore how IBM is building the hardware, software, and community to unlock the transformative power of quantum computation.

The Quantum Internet
Imagine a network where information travels not just fast, but with the inherent security and interconnected capabilities of quantum mechanics, promising a revolution in computing, sensing, and communication.

Post-Quantum Cryptography
The quantum revolution threatens to break today's encryption, but a new generation of cryptographic algorithms is already being built to defend our digital world.

Shor's Algorithm
Discover how a revolutionary quantum algorithm threatens to upend the digital security we rely on today, and what researchers are doing about it.

Superconducting Qubits
Explore the intricate world of superconducting qubits, the leading hardware platform for building powerful quantum computers.

What Is a Qubit?
Discover the fundamental building block of quantum computing, a concept that shatters classical limitations and unlocks unprecedented computational power.