What are the advantages of creating a digital mirror of a city – or an entire island? We speak to a company making digital twins to create simulations of the real world. Then we hear from a real set of twins about their award-winning carbon capture project. And the company sending tiny satellites into space to help environmental researchers.

Presenter: Chris Vallance

(Image: A graphic of a person's hand holding a mini city on its fingertips. Credit: Getty Images.)

This week on Tech Life, we're looking at the problems caused by illegal gold mining in Ghana. We'll hear how drones, AI and GPS trackers are being used to tackle the trade.

Also this week, Meta goes to court as it battles ads for so-called Nudifying apps. Is "I don't know" the solution to AI chatbot hallucinations ? And the pay-as-you-cook stove that's winning awards and improving health in Africa.

We enjoy reading your messages about the one item of tech you simply can't do without. If you want to tell us about your must-have piece of tech, please get in touch by emailing [email protected] or send us a Whatsapp message or voice memo on +44 330 1230 320.

Presenter: Chris Vallance

Image: A photo of two gold miners in Ghana. Credit: Christian Thompson/EPA-EFE/REX/Shutterstock

We hear from inside China on the remarkably fast electric vehicle transition going on there, as the country moves away from petrol and diesel-powered cars and lorries. BBC Transport Correspondent Nick Marsh reports on the latest EV technology that's making Chinese brands popular and affordable.

Also on Tech Life this week, who has the fastest computer in the world ? And what is it used for ? An expert tells us everything we need to know about supercomputers. And we find out about a new piece of tech that can provide electricity, transport and clean drinking water in disaster zones - using solar power.

We enjoy reading your messages about the one item of tech you simply can't do without. If you want to tell us about your must-have piece of tech, please get in touch by emailing [email protected] or send us a Whatsapp message or voice memo on +44 330 1230 320.

Presenter: Zoe Kleinman

Image: A photo of an electric car charging in China. Credit: Master/Getty Images.

What happens when a company we trust with our most personal data gets into financial trouble ? We hear from a woman who trusted a US company with her genetic information.

Also on Tech Life this week, will there be enough electricity for the demands of artificial intelligence ? The International Energy Agency tells us about the challenges of powering the AI boom. And we find out how to grow an island in The Maldives. The tech involved could protect low-lying territories from erosion and rising sea levels.

We enjoy reading your messages about the one item of tech you simply can't do without. If you want to tell us about your must-have piece of tech, please get in touch by emailing [email protected] or send us a Whatsapp message or voice memo on +44 330 1230 320.

Presenter: Chris Vallance

Image: A scientist holds a DNA sample with the results on a computer screen in a laboratory. Credit: Westend61/Getty Images

This week we're looking at a growing digital industry which allows people to interact - in a way - with the likeness or the voice of someone they care about who has passed away. It's not science fiction, and it does involve AI chatbots.

Also on Tech Life this week, we'll be finding out about two tech solutions to the problem of food which goes to waste. Tech Life's Alasdair Keane explores the challenge of making a Formula 1 racing car more eco friendly. And what is digital art ?

We enjoy reading your messages about the one item of tech you simply can't do without. If you want to tell us about your must-have piece of tech, please get in touch by emailing [email protected] or send us a Whatsapp message or voice memo on +44 330 1230 320.

Presenter: Graham Fraser

Image: An illustration of a human hand reaching toward the unknown. Science fiction becoming reality. Credit: Yana Iskayeva/Getty Images

This week we're learning about patents - what they are, and who wants one. And by analysing the global demand for patents, we can see future trends in tech.

Also in this edition of Tech Life, what are doctors and patients around the world saying about the use of artificial intelligence in hospitals ? And we'll be finding out about Google's latest injection of AI into online search.

We enjoy reading the messages being sent in about the one item of tech you simply can't do without. If you want to tell us about your must-have piece of tech, please get in touch by emailing [email protected] or send us a Whatsapp message or voice memo on +44 330 1230 320.

Presenter: Zoe Kleinman

(Image: A photo of a woman with a lightbulb sticker on her forehead, indicating she's had an idea. Credit: Peter Dazeley/Getty Images)

An international study looks at the online experiences of young people from marginalised groups, including sex workers, gay and transgender people, and people living with HIV. It concludes they are facing a surge in online abuse. We speak to Phong from Vietnam about his experience, then hear about the study from the lead researcher.

Also on Tech Life this week, find out how a drone company in Ghana has benefited from US foreign aid cuts. And how could catching the bus help improve your posture ?

We enjoy reading the messages being sent in about the one item of tech you simply can't do without. If you want to tell us about your must-have piece of tech, please get in touch by emailing [email protected] or send us a Whatsapp message or voice memo on +44 330 1230 320.

Presenter: Imran Rahman-Jones

(Image: A photo of a woman who has received online abuse. Credit: OcusFocus/Getty Images)

Luckily much of what we see on social media is safe. But somewhere, somebody has to watch all the horrific content uploaded online in order to filter it out for the general public. We speak to a former moderator who worked on Meta platforms in Ghana. Plus, the community project in Puerto Rico with an innovative way of keeping its power on. And we say goodbye to video call program Skype.

Presenter: Chris Vallance

(Image: A blurred out picture with a graphic of an eye and the text imprinted on it: "Sensitive content". Credit: Getty Images.)

A groundbreaking space mission will help scientists peer through dense jungle canopy to measure the difference the world's forests are making to climate change. We interview the expert who came up with the idea.

Also on Tech Life: It's clicked billions of times a day, but do you know how it started in the first place ? We find out why the world gave a big thumbs up to the 'like' button. And digitising agriculture in Ghana - how tech is streamlining the growing and selling process for thousands of farmers.

Tell us about the one item of tech that you simply can't do without – please get in touch by emailing [email protected] or send us a Whatsapp message or voice memo on +44 330 1230 320.

Presenter: Chris Vallance

(Image: An illustration of the Biomass satellite in space. Credit: ESA/ATG medialab)

Do dolphins have their own language ? And could we 'speak' to them ? An AI large language model from Google, called DolphinGemma, is helping experts study dolphin communication. We interview Doctor Denise Herzing, the Research Director and founder of the Wild Dolphin Project, about her work and how it might bring benefits for humans and dolphins.

Also in this edition, we find out how tech is changing the way NFL fans watch football games, and mega-batteries are helping to keep the lights on.

Tell us about the one item of tech that you simply can't do without – please get in touch by emailing [email protected] or send us a Whatsapp message or voice memo on +44 330 1230 320.

Presenter: Chris Vallance

(Image: A photograph of Atlantic spotted dolphins. Credit: Google)