Scientists create a microscopic robot that ‘walks’
The scientists behind a microscopic “walking” robot hope their tech could one day be used against cancer.
TikTok ban: How did TikTok stay online in the US?
Sophia Smith-Galer explains why President Trump shifted his position on banning new downloads of the app
Police told not to download NHS Covid-19 app
National Police Chiefs Council says officers should not install contact-tracing app on work phones.
Fashion brands design ‘waist-up’ clothing for video calls
Milan Fashion Week saw designers showcasing logos on necklines and statement jewellery.
US squeezes China’s biggest chip-maker SMIC
The commerce department writes to suppliers, warning of risks linked to the Chinese military.
NHS Covid-19 app: 12m downloads – and lots of questions
We look at why you can’t log out of a venue, and how to change your postcode on the app.