Adrienne Murray explores how new 3D imaging is supporting heart procedures.

How to say goodbye and pay tribute to a loved one – with a hologram.

Workers train AI to identify everyday objects by labelling items in photos and videos.

A sleep apnoea wearable. Plus, tech to free up hospital beds and a breast health app.

Crumbling roads and other hazards – can AI make our streets safer?

The company behind Canvas says it has “reached an agreement” with the hackers who disrupted thousands of colleges and universities.

Sam Altman said Elon Musk tried many times for total control of OpenAI, which he’s now suing.

The biggest tech firms are set to sell millions of smart glasses despite growing privacy concerns.

The messages highlight the illegality of what people are searching for online and direct them towards help.

The regulator said the forum had not done enough to protect UK users – but critics accuse Ofcom of acting too slowly.