Quantum Powerhouse

Nothing renders that was not computed.

Quantum software that runs: a variational quantum eigensolver and a zero noise extrapolation engine built from scratch and computed live in your browser, plus an OpenQASM to Amazon Braket IR transpiler running as a small service. Rotate the Bloch sphere below, or go straight to the terminal.

Latest from Said Mohaddes Sadeqi: a primary source verified study of the quantum CI/CD testing gap, released as a citable paper with a companion pytest plugin, pytest-qequiv.

the site as a system · tap a node to travel · the page you leave collapses back into a qubit

Interactive Bloch Sphere, |Ψ⟩ = α|0⟩ + β|1⟩

Research · primary source verified

Is there a genuine gap in CI/CD regression testing for quantum software?

The finding was narrower than the hypothesis. Cross-version regression testing already exists (QUTest, 2026, Qiskit only). Pytest native cross SDK harnesses exist for benchmarking (IBM's Benchpress, eight SDKs) but detect nothing. Pytest plugins that assert equivalence exist but are immature and not cross version. No tool combined pytest native, cross SDK, automated equivalence or regression detection, and reusable CI packaging.

The one gap that survived became a tool, pytest-qequiv, cross SDK unitary equivalence assertions for Qiskit, Cirq and Braket with endianness normalization. The study also corrected two of its own starting assumptions in public (a bug corpus does exist; the 31% adoption statistic is N = 26).

14
claims, each with a verdict
22
prior art systems inspected
22
unique sources in the claims record
4
starting assumptions found false

Continuous integration fails the build if a rendered claim ever drifts from the evidence record.

About

A working quantum lab
in your browser.

The one rule

Nothing renders here that didn't compute. Every probability bar is a real statevector, every convergence curve a real optimizer, every research claim a checked source. Where something is a visual metaphor, like the black hole behind every page, it says so.

The machines

A TypeScript physics engine written from scratch: statevector and density matrix simulators, a variational eigensolver and zero noise extrapolation. It runs the transpiler terminal, the VQE suite and every game in the arcade, with no backend.

The research

A study of the quantum CI/CD testing gap, checked against primary sources. Where the evidence contradicted my hypothesis, the site says so. The build fails if a rendered claim drifts from the evidence record.

The resident

QPet, the tamed quantum creature in the corner, follows your cursor on an elastic tether, gets bored, sleeps, panics mildly, and occasionally tunnels. Its emotions are a real state machine; its collapses are Born rule samples. Poke it.

playable quantum games
26
research claims, each with a verdict
14
prior art systems inspected
22
unique sources in the claims record
22

Circuit Preview

Gate Timeline

A sample 3-qubit circuit. Hadamard, CNOT entanglement, a phase gate, and measurement, rendered as a glowing, animated timeline.

q[0]q[1]q[2]HPH

Live Tool

Represents: a compiled program, parsing and Amazon Braket IR emission, not a running or simulated circuit→ docs

Quantum Transpiler Terminal Studio

Paste an OpenQASM 2.0 or 3.0 circuit, transpile it, and inspect the generated Qiskit Python, optimized IR, and real circuit metrics, computed live from whatever you paste in.

Open full playground →
qasm-to-braket-ir, zsh
input.qasm

Research & Engineering

Quantum Simulation & Developer Tooling

A selection of the work coming out of Quantum Powerhouse, spanning algorithm design, error mitigation, and developer tooling.

Quantum Arcade

Playable quantum games and labs, every one driven by a real statevector. Grover search, CHSH Bell violation, teleportation, BB84, decoherence, error correction, every result computed live by the in browser simulator.

GamesStatevector SimulationQuantum Education

QP-Core Transpiler

A FastAPI service that parses OpenQASM 2.0/3.0 circuits and compiles them into Amazon Braket IR, powering the live terminal on this page.

QiskitOpenQASMAmazon BraketFastAPI

Variational Quantum Eigensolver Suite

A from scratch TypeScript VQE for the H2 molecule, running entirely client side: a statevector simulator, the exact parameter shift optimizer, and direct diagonalization for a ground truth check, no Qiskit, no backend.

VQEQuantum ChemistryStatevector Simulation

Zero Noise Extrapolation

Digital gate folding over a real depolarizing noise density matrix simulation, then Richardson extrapolation back to the zero noise limit, implemented and demonstrated, not just described.

Error MitigationNISQDensity Matrix

Circuit Gate Timeline

A rendered preview of a fixed 3-qubit circuit. Hadamard, CNOT entanglement, a phase gate, and measurement. For an interactive circuit, paste your own OpenQASM into the QP-Core transpiler above.

Quantum MechanicsVisualization

Go Deeper

From State to Research

Everything above is a starting point. The playgrounds run the real computation; the docs explain why it works.