BBC Click’s Jen Copestake looks at some of the best of the week’s technology news stories including:
- Smartphone manufacturer Oppo reveals a concept rolling phone screen capable of transforming into a tablet
- Elon Musk’s SpaceX sends four astronauts to the International Space Station (ISS), his personal fortune goes up by more than $15bn (£11.3bn) and he also tests positive for Covid-19
- A magnetic spray which can aid targeted drug delivery by turning objects into mini robots is created by City University of Hong Kong
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