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welcome back to the Nature.

Welcome back to the Nature podcast. This week we'll be hearing about the logic of quantum computing

and learning about how labs recover from unexpected disasters.

I'm Nick Howe and I'm Charmany Bundell. To me, computers are basically magic.

I'm talking into a microphone now.

My speech is going to be edited and then broadcast to the world through the air, all thanks to computers.

But how do they actually work?

Well, computers use logic, specifically logic gates.

These gates take simple inputs and turn them into one or two outputs, a one or a zero.

Putting loads of these gates together make circuits,

and circuits allow complex inputs and outputs.

In a real world, that might be something like,

show me cute cat videos,

translating to watching a cute cat video. But computers do have their limits.

Enter quantum computers. Quantum computer is at the moment a theoretical idea that if you could

encode information in quantum states, there's a predicted exponential speed up in computational

power for certain types of problems.

This is Michelle Simmons, a quantum computer researcher.

To get these benefits in a quantum computer, you need to make a quantum logic gate, composed of quantum bits or qubits.

A quantum logic gate also has some advantages.

...