Wearable tech: how the human body can help power the future of smart textiles

Researchers have created fibre-based electronics that use the human body to power T-shirts that display changing messages

Whether it is a T-shirt that can display changing messages or a carpet that can sense where you are standing, the future of smart textiles has often seemed rooted in science fiction.

Now researchers say they have created smart fibres that can do exactly those things - and they do not even require a battery pack.