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Quantum computing promises revolutionary new discoveries. But tech revolutions can be messy. Is now the time to start thinking about how we ethically use quantum machines?

Also, we find out how glass can be turned into useful data storage that will last for thousands of years. And what can science fiction tell us about our spacefaring future?

Presenter: Chris Vallance Producer: Tom Quinn

(Photo: An image of a quantum computer inside a high-tech facility. The computer has metallic silver and gold-coloured tubing to assist in cooling. Credit: Getty Images)