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The quantum revolution: ‘Spooky action’

FT Tech Tonic

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Quantum Mechanics - What Is a Qubit?

In classical computers, you start with a set of bits. A bit is just some register in your computer that is either zero or one. But Quantum Mechanics says things can be in more than one state at the same time. That gives it the potential for much more computing power. What physically is a qubit? We heard a lot about them in episodes one and two.

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