Just a handful of companies can make cadmium zinc telluride, a material with powerful properties.

Across Europe huge heat pumps are being installed that can heat tens of thousands of homes.

Introducing robots and automation to the food industry involves extra hurdles.

Finding greener ways to keep giant new data centres cool is a challenge.

Teenagers affected by Australia’s under-16 social media ban showed the BBC what happened when they tried to access their accounts.

A study found AI chatbots can persuade us with fake facts. How does this affect politics?

We bring you Tech Life highlights from a fascinating year in global tech.

Some major retailers and independent stores have introduced AI body scans, CCTV or facial recognition equipment to identify crimes like shoplifting.

The companies have been fined in the past over outages leaving customers unable to call emergency services.

The child was trying to watch Diary of a Wimpy Kid – but a film with “strong sex and sex references” played instead.