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Quantum 101
A free 14-lesson course, from qubits to QAOA
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Free course

Quantum 101

A free 14-lesson course that takes you from the math basics to a 100-qubit QAOA capstone — self-paced, with Jupyter notebooks and a community to learn alongside.

Register for freeStart the course

How it works

Learn Quantum by Building It

14 Self-Paced Lessons

Short, focused episodes you can work through on your own schedule.

Hands-On Notebooks

Every lesson comes with a Jupyter notebook so you learn by doing.

Free Simulator

Run real circuits on the Quantum Rings simulator — no hardware needed.

Learn with a Community

Ask questions and share progress in our Discord.

Curriculum

14 lessons, 3 sections

Quantum Foundations

01Welcome, Math Prerequisites & SDK Setup02Single-Qubit Gates, Bloch Sphere & Measurement03Entanglement & Multi-Qubit Gates

Starting to Code

04Circuit Composition & Control Flow05Quantum Oracles & Amplitude Amplification06“Toy” Algorithms: Deutsch–Jozsa, BV, Simon07Grover’s Search Algorithm08QFT & Phase Estimation

Continue to Grow

09Shor’s Factoring Algorithm10Noise & Error Mitigation11Variational Algorithms I—VQE12Variational Algorithms II—QAOA13Quantum Error Correction14Capstone: 100-Qubit QAOA & Road Ahead

Your instructor

Cora Barrett

MIT PhD candidate

Talk Quantum With 600+ Builders

Free

Go deep on specific quantum topics, get community support, and swap ideas — on our Discord, always on.

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Ready to Start?

Register for free and begin with Lesson 1.

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Large-scale quantum simulation on your own hardware — and access to real QPUs when you need them.

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