Hello, Quantum World!
summary
Demonstrates that real quantum hardware runs real algorithms: an IBM cloud-accessible superconducting qubit processor (cooled near absolute zero) executes basic circuits and a “Hello, Quantum World” demo via a simulator and live device, implements Shor/Grover primitives, and builds a quantum teleportation (Bell state) to move a qubit state using two classical bits. Cites Google’s benchmark of 200 seconds vs 20,000 years (controversial but illustrative), notes early 7‑qubit builds, current ~150 useful stable qubits, and that online access and free runtimes are available now.
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chapters (11)
- 0:00Introduction and motivation
- 2:35What is a quantum computer
- 9:17How quantum computers work
- 17:24Qubits and superposition
- 23:27Quantum gates and entanglement
- 32:49Quantum teleportation demo
- 36:06Recent quantum computing advances
- 38:38Engineering and applications
- 41:07Security and cryptography
- 44:44Getting started with quantum computing
- 47:15Conclusion and resources








