Intel was once unrivalled as the world's chip maker. Now it has fallen behind its rivals. We hear why the company is struggling ahead of its latest earnings call this week. Also, the many uses of drones around the world. And the surprising tech behind indoor golf.

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Presenter: Zoe Kleinman

Producer: Tom Quinn, Imran Rahman-Jones, Alasdair Keane

Editor: Monica Soriano

(Image: A close up of a computer chip. Credit: Getty Images)

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