Tech Tent

Artificial intelligence can pick out the words we're typing from analysis of our brainwaves. Could it give a voice to those who can't speak because of brain injury or illness ? We interview an expert leading the research.Also on this week's edition of Tech Life, will AI and 3D printing revolutionise the shoe business ? And the hot and cold solution to keep fish fresh in Kenya.We are always keen to hear from you. You can email us: techlife@bbc.co.uk, or send us a text message or voice note on Whatsapp: +44 330 1230 320.Presenter: Chris Vallance Producer: Tom Quinn Editor: Monica Soriano(Image: A photo of a female volunteer typing words onto a keyboard while her brain is being scanned. Credit: Meta)