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Quantum 101

01 /Introducing: the Qubit 02 /Controllability of Qubits 03 /What is superposition? 04 /What does a superposition look like? 05 /Quantum entanglement 06 /Measurements on a Qubit 07 /Measuring entangled pairs 08 /Quantum information cannot be copied 09 /What is a quantum algorithm? 10 /What is going on in quantum computing nowadays

Introducing: the Qubit

A quantum bit or qubit, as opposed to a classical one, can be in the zero and one state at the same time. Find out how this is possible in this video.

Further thinking

A qubit can be in in a superposition of 0 and 1, simultaneously representing two values. Suppose we have 4 qubits: how many values can this system (simultaneously) represent? What if we had 1000 qubits?

Solution

Further readings

Quantiki is an excellent open wiki on quantum information.