We hear from two voice over artists, based in New York City, who have filed a lawsuit against an AI company they claim stole their voices.

Also on Tech Life this week:

A device invented by Canadian university students is shaking up the milk business for small-scale dairy farmers in Africa. And an engineer tells us his robust plan to make tech easier to fix.

Presenter: Chris Vallance Producer: Tom Quinn

(Photo: An actress records her voice into a microphone. Credit: Andrey Popov/Getty Images)

An artificial intelligence tool is helping to detect chest issues, which could indicate lung cancer, in a matter of seconds. It's now in use in forty countries around the world. It's called Annalise AI, and we speak to the co-founder of the company behind it.

Also on Tech Life:

In Kenya, Direct Air Capture technology is being designed, manufactured and deployed in the vast Rift valley.

And the commute of the future is being mapped out and planned today - find out about digital twinning.

Presenter: Chris Vallance Producer: Tom Quinn

(Photo: A doctor examines an X-ray image on a tablet. Credit: Athima Tongloom/Getty Images)

Presenter Shiona McCallum is joined by technology reporter Paul Carter to look at some of the latest developments in artificial limb tech. Paul talks about his own personal experiences of trying out different prosthetics. Shiona interviews the youngest boy in the world to be fitted with a bionic arm, and his mum. Sierra Leone benefits from a prosthetics project. And would you want an extra robotic thumb ?

Presenters: Shiona McCallum with Paul Carter Producer: Tom Quinn

(Image: A photo of presenter Shiona McCallum in the Tech Life studio with technology reporter Paul Carter. Credit: BBC)

This week on Tech Tent: the Merge - Ethereum, the world's second biggest cryptocurrency, attempts the Merge, a radical new operating model that cuts its energy usage by 99%. Will it work - and how will it reshape crypto? Also - how a carrot emoji became a cover for covid disinformation. And the biggest, brightest satellite ever launched - will it change our relationship with the night sky?

On Tech Tent this week Silicon Valley reporter James Clayton joins us from Apple's new product launch in Cupertino, California. We hear from the British firm which is ahead of the pack when it comes to making satellite phones mainstream. We interview a senior figure at Cloudflare about the Kiwi Farms controversy. The co founder of an anti crypto conference tells us why he thinks the event was necessary. And art, made in the studio - with the help of some AI.

On Tech Tent this week, we hear about India's ambitions to build the world's fastest 5G network - and why WhatsApp is launching a grocery shopping service there. British regulators take a dim view of Microsoft's plan to buy Activision Blizzard. We ask young people what the appeal of BeReal is. And we meet the talking, humanoid robot helping children open up about how they really feel.

On Tech Tent this week, reporter Chris Vallance runs us through the serious allegations about lax security levelled at Twitter by its former employee Peiter "Mudge" Zatko. Dr Jon Roozenbeek, of Cambridge University, explains how educating people about how misinformation works appears to be an effective way of informing their online experience. And the makers of a voice changing technology respond to accusations it is increasing prejudice rather than addressing it.

This week Tech Tent speaks to TikTok stars Chloe and Tabby Tingey - aka the Sugarcoated Sisters - about transferring their act to the Edinburgh Fringe and a real life audience. Reporter Alaisdair Keane finds out how organising festivals is increasingly reliant on tech too. We also digest China's decision to force its biggest tech firms to share their algorithims with regulators in the name of data safety. And we talk death tech and digital zombies with Dr Debra Bassett.

We meet the gamers vying for unofficial medals that the Commonwealth Games

Amazon warehouse workers in the UK protest

And we attempt a conversation with Meta's new chatbot

Plus as WhatsApp ditches an irksome feature we look at the new do's and don'ts in instant messaging

(Picture: Clive Rose/Getty Images)

We take a look at virtual reality as it helps surgeons in Brazil work with colleagues in Britain on an operation to separate twins joined at the head.

As global temperatures rise how do we keep data centres cool in a power efficient end environmentally friendly way.

Teaching technology in Africa - the founder of a school in Lesotho tells us how it got started. And should records ditch vinyl to go green?

(Picture credit: Getty Images)

The head of WhatsApp signals the firm will resist efforts to weaken its encryption, as the UK and EU look to enact legislation that could compel firms to scan messages.

On Tech Tent this week, tech journalist Charles Arthur on the troubles at Tesla. The boss of Tinder tells our reporter Shiona McCallum how she wants to make the dating platform safer. The creator of an app to help children with type diabetes on his troubles with the Google playstore. And Robert Metcalfe, associate professor of Economics at the University of Southern California, on the powerful way fake reviews warp our online shopping habits.

As Twitter launches legal action to compel Elon Musk to complete a takeover he says he now wants to stop, Silicon Valley tech reporter James Clayton and New York business correspondent, Michelle Fleury join us to take stock of how what was meant to be the biggest deal in tech has turned into the industry's biggest row instead. Tech Tent also speaks to Carl Pei as he launches the Nothing One and attempts to shake up the smartphone market. China analyst Kerry Allen tells us about screen time for Chinese children being strictly limited over the summer holidays - and why Heardle fans are unhappy about it being bought by Spotify.

Lab testing of animals is often used to study diseases, or assess the safety of new drugs or substances before they are trialled on humans. Could A.I. provide a solution ? Also in this edition of Tech Life, woof woof! Can artificial intelligence help us interpret the meaning of dog barks ? And Michael Kaloki reports from Kenya on tech being used by dairy farmers to help them look after their herds.

Presenter: Shiona McCallum Producer: Tom Quinn

(Image: Portrait photo of a beagle dog. Credit: Getty Images)

This week Tech Tent comes from the Wimbledon tennis championships, in London, and finds out about the sophisticated AI systems powering match predictions, with Kevin Farrar, from IBM. Alexandra Willis, Communications and Marketing Director at Wimbledon, discusses how this most traditional of tournaments is venturing ever furter into online and virtual worlds. And away from the tennis, cyber reporter Joe Tidy explains the latest steps Apple is taking against Spyware like Pegasus- and brings us an intriguing update on a cyber attack on an Iranian steel mill.

Professor Gina Neff and Eva Blum-Dumontet investigate how individuals and tech companies should react to abortion becoming illegal in parts of the US. David Martin Ruiz from the Eurpoean consumer group BEUC explains what it calls Google's "fast track to surveillance" for its users, and making virtual reality sound immersive, with professor Mark Plumbley.

On Tech Tent this week, a BBC investigation into so-called "up-skirting" on Facebook - and Thomas Hughes from Meta's Oversight Board on its first year as an arbiter on disputes on Facebook and Meta.  Dr Andrew Hundt on why AI mimicks the prejudice of human beings. Shiona McCallum has been to the Teen Tech awards. And Glastonbury Festival is back - with festival goers set to gobble up more mobile data than ever before. Analyst Ben Wood is there.

This week Tech Tent is presented by Joe Tidy, who's been to El Salvador - which has bought thousands of bitcoins and become the first country in the world to make it legal tender. Now prices are crashing so will its experiment end in failure? Bitcoin podcast host Natalie Brunell and finacnail commentator Frances Coppola give their thoughts. Also: entrepreneurs at London tech week on their hopes and fears for the future. A Facebook moderator tells Chris Vallance of the strain of screening graphic content from the Ukraine war. And Liv McMahon pays the tech team's respects to Internet Explorer, put out to pasture after 27 years in which it transformed home computing.

As new data shows the work from home revolution is accelerating, we ask if technology has forced the world of work to change for ever. Claire McCartney, from the CIPD, shares her expertise and the BBC's New York business correspondent Michelle Fleury gives the picture from the US. Zoe interviews the boss of Uber, Dara Khosrowshahi, about the company's future. Kyle Glen, co-host of the Osint Bunker podcast, and the BBC's Gordon Corera discuss open source intelligence. And the latest twists and turns in the Elon Musk Twitter takeover saga.

This week, Dianne Olivan, Gender Engagement and Policy Officer, World Wide Web Foundation, and coordinator of the Women’s Rights Online Network, and Kerry Allen, the BBC's China media analyst discuss women and the internet. Dr Terence Leung, Dr Judith Meek and Dr Christabel Enweronu-Laryea on an app for diagnosing jaundice. Finn Myrstad from the Norwegian Consumer Council sets out his concerns about video game loot boxes. And Dr James Sumner, a historian of technology at Manchester University, on seventy years of technological change during Queen Elizabeth II's reign.

This week Dr Stephanie Hare, author of Technology is Not Neutral, and Dr Rick Muir, of the Police Foundation, discuss whether facial recognition technology can ever be used in a way that satisfies regulators. Shiona McCallum speaks to Olympian Jess Ennis Hill about period tracking apps, and whether they help with fitness. And as Dyson says it's working on home robots, we ask the people of London what chore they'd most like to automate.

This week Tech Tent takes the temperature of the crypto market with the BBC's cyber reporter Joe Tidy and the Financial Times' Markets Editor, Katie Martin. Dr Johnny Ryan from the Irish Council for Civil Liberties on how our personal data is sold hundreds of times a day; and Rebecca Romo Teague, a radio host from Cape Cod, on how social media is helping with the US baby formula milk crisis.

Tech Tent speaks to Marcus Hutchins, the British cyber security expert who singlehandedly stopped the Wannacry attack. The BBC's cyber reporter Joe Tidy and the cyber expert Lisa Forte discuss Wannacry's legacy. Also this week why Russians are resorting to medieval memes to express dissent about the war in Ukraine, how Tiktok is transforming Eurovision, and Tony Fadell, inventor of the Ipod reflects on the announcement it's being discontinued.

Meta announcing plans for a Metaverse has intensified interest in virtual and augmented reality. But does the hardware and content match the marketing hype? Tech Tent hears from Alex Counsell, Technical Director at the newly opened Centre for Creative and Immersive & eXtended Realities. Tech expert Kate Bevan talks about scammers using shared screen programmes. And Bill Gates gives his thoughts about the future of the tech industry - and his feud with Elon Musk.

What is it like to have an AI boyfriend? We hear about women in China who prefer to date a chatbot over a real person. How can tech be used to unlock the potential of crops - and help with food shortages? And we meet the fashion designer who hopes to fool facial recognition technology with her clothes.

Presenter: Shiona McCallum Producers: Tom Quinn and Imran Rahman-Jones

(Image: A woman looking at her phone which has hearts coming out of it. Credit: Getty Images)

On the programme this week, Brooke Erin Duffy of Cornell University returns to give her assessment of Twitter's new owner. The MEP Arba Kokalari explains the new tougher approach Europe is taking to regulating tech. And wine drinkers see if they can tell the difference between a real sommelier and an AI one.

Tech Tent speaks to Julian Aquilina, from Enders analysis, on how serious a blow Netflix's loss of subscribers is. James Clayton checks back in with an update on Elon Musk and Twitter. And our technology reporter Shiona McCallum has been speaking to an astronaut.

A controversial facial recognition company helps identify the dead in Ukraine. And a look at whether age verification tech can stop children viewing pornography online.

This week, Tech Tent speaks to Professor Brooke Erin Duffy about what Elon Musk investing in Twitter could mean for the social platform. The curator of TED, Chris Anderson, gives details about the return of the conference in person. And Kay Wackwitz, from Drone Industry Insights, considers a major expansion of deliveries by unmanned aircraft in the US.

We report on the latest high-profile, high value theft of cryptocurrency. David Canellis, from the website, Protos, analyses what happened. The space expert Dr Teasel Muir-Harmony explains why the US and Russia continue to co-operate over the International Space Station. And Alex Bornyakov, the Deputy Minister of Digital Transformation of Ukraine, describes how tech workers there are taking the fight to Russia.

This week's episode features an interview with Wendy Betts, who is involved with an app developed for war crimes investigators. John Hultquist, who’s Vice President of the cyber security firm, Mandiant, speaks about the cyber threat Russia poses to the US. And Tom Gerken reports on the millions of dollars raised by people playing Fortnite for the Ukrainian humanitarian effort.

This week's guests include Ina Burgstaller, who set up an online service for victims of the war needing medical treatment. One of the volunteer medics, Dr Lawrence Barnes also explains why he got involved. We hear about the lift-sharing scheme dubbed Uber for refugees, helping to get Ukrainians to safety. And a new trial to see if gaming can ease pain.

Alongside the physical conflict in Ukraine, battles are also being fought online. What do they tell us about the evolving nature of hacking attacks and disinformation ? And as volunteer hackers and hacktivists join the fray is there a risk they could provoke a response that takes the conflict to a new level? We also hear how digital businesses in Ukraine are adapting to the sudden arrival of war, and look at the positives and negatives of using satellite broadband to stay online.

Donald Trump is banned on Twitter and Facebook. Can he make a social media comeback? James Clayton and Jasmin Dyer discuss Trump's plans for his own social media platform 'Truth Social', and hear from Jason Miller, a former Trump adviser and founder of the GETTR platform. Plus we hear how US authorities tracked down billions of stolen Bitcoin, and the growing trend of celebrities advertising cryptocurrency to the masses.

(Photo: Donald Trump at a recent rally, Credit: Getty Images)

Chip maker Arm won't be bought by Nvidia after all. Jane Wakefield speaks to the new Arm CEO Rene Haas about the future for the UK firm. Plus the BBC's James Clayton in Silicon Valley tells us about the sexual content evading the moderators on children's gaming platform Roblox, and the challenges of policing the nascent metaverse. And Pete Snyder from the privacy-focused web browser Brave discusses the prospect of an internet without cookies.

(Photo: Arm logo, Credit: Getty Images)

There are words of warning about facial recognition, biometrics and artificial intelligence - technologies increasingly being adopted by law enforcement worldwide. Also on Tech Life this week, we learn about an African company offering a local alternative to the big electric vehicle manufacturers. Basketball gets into tech. And why we need tech to identify and map where our rubbish goes.

Presenter: Shiona McCallum Producer: Tom Quinn

(Photo: An illustration of facial recognition on the face of a woman. Credit: Francesco Carta fotografo/Getty Images)

Facebook is losing users, will it's pivot to the metaverse pay off? Chris Fox speaks to Parmy Olson, technology columnist at Bloomberg about Facebook's parent company Meta, and the challenge of developing its own technology for the virtual world. Plus the co-chair of the Facebook Oversight Board Helle Thorning-Schmidt tells us why organisations like hers are helping Meta become more transparent in the way it moderates its platforms. And the BBC's Joe Tidy reports from Kazakhstan on the central Asian country's boom in Bitcoin mining, and the impact it's having on the environment.

(Photo: Meta headquarters in Silicon Valley, Credit: Getty Images)

Chris Fox and Jane Wakefield discuss Intel and US efforts to make more microchips at home amid the continuing global chip shortage. Plus we hear from the inventor of a car that turns into an airplane at the push of a button, and find out why video gamers are leading the backlash against NFTs.

(Photo: US President Joe Biden holds a microchip at a press conference in February 2021, Credit: Getty Images)

Microsoft said it plans to buy mega games company Activision Blizzard in deal worth almost $70bn. How will this deal transform the gaming industry? We hear from Louise Shorthouse, senior games analyst at Ampere Analysis. Plus, are we all eventually going to live in a virtual world? Philosopher David Chalmers explains why he believes that virtual reality will overtake the material world. And, what makes a game go viral? We hear from Wordle fan and associate professor at Texas Tech University, Nick Bowman.

(Image: the logos of Microsoft and Activision Blizzard. Credit: Getty).

What does the conviction of Theranos founder Elizabeth Holmes tell us about tech startup culture? The BBC's James Clayton is joined by NPR tech reporter Bobby Allyn to ask if any lessons are being learned by Silicon Valley, where startups are encouraged to promise world-changing technology, and investors demand sky-high valuations. We discuss the impact of the Theranos scandal with one of the whistleblowers involved, the venture capital companies funding exciting new tech companies, and the biotech startups who say blood testing technology still has a bright future.

(Photo: Theranos founder Elizabeth Holmes arriving in court in November, Credit: Getty Images)

The major tech show returns to Las Vegas after going virtual during the pandemic. But as the impact of the coronavirus continues to be felt, is there still a place for major industry events like these? Chris Fox speaks to CES organiser Karen Chupka, and to some of the hundreds of startups exhibiting at the show. The BBC's Lara Lewington discusses some of her favourite gadgets at the event, and Spencer Kelly tries out a taxi service made up of remote controlled cars.

(Photo: CES show in Las Vegas, Credit: Getty Images)

The BBC tech team on what we'll all be talking about over the next 12 months. Featuring Silicon Valley correspondent James Clayton on why Web 3.0 will be the buzzword of 2022, technology editor Zoe Kleinman on tech to fight climate change, plus what the new year will hold for AR and VR hardware, cryptocurrency and regulation, the new space race, and the future for Mark Zuckerberg. Presented by Joe Tidy with Jane Wakefield.

What better way to review the big tech stories of 2021 than with a battle of wits? Chris Fox tests the finest minds in tech journalism on the biggest events in tech over the last 12 months. Featuring Rhiannon Williams, technology correspondent from the i Newspaper, Shona Ghosh, technology editor at Business Insider, and BBC tech reporters David Molloy and James Clayton.

Politicians in the UK push forward plans for new laws to regulate social media and the tech giants. It’s designed to protect children from harmful content and stop disinformation, but will it work? Plus the company launching a satellite that can track the amount of heat being lost from factories and houses around the world. Could it help us become more energy efficient and fight climate change? And the women using technology to fight harrassment - how phone and smart watch apps are being used to help women feel safer on the streets.

Joe Tidy and Sarah Mulkerrins investigate the growing presence of cryptocurrency technology in the world of football. Some of the biggest clubs in the world are selling NFTs and their own cryptocurrencies, making hundreds of millions of dollars. But what's in it for fans? We speak to the millionaire collector who's buying up official Manchester City NFTs, and to the football fans investing in digital player cards changing hands for tens of thousands of dollars. Plus the company that’s signed up dozens of major clubs across the world to sell fan tokens. Buying them is supposed to make you feel more connected to your club, but are they putting fans at risk in the unpredictable crypto market?

Photo: Premier league champions Manchester City are one of the big clubs investing in the crypto world. Credit: Getty Images)

What next for the social media platform after Jack Dorsey quits? the BBC's tech reporter in Silicon Valley James Clayton tells us why Jack Dorsey has left as CEO, and the challenges facing Twitter under new boss Parag Agrawal. Plus Jane Wakefield speaks to an Afghan student turning to the Internet to continue her education under Taliban rule, and we hear from the company forging ahead with plans to deliver Internet networks with balloons, despite Google's abandoning of the project. With BBC tech reporter Shiona McCallum.

(Photo: Twitter CEO Jack Dorsey addresses students during at the Indian Institute of Technology (IIT), New Delhi. Credit: Anushree Fadnavis/Reuters)

Ahead of the Paris Olympics, Alasdair Keane hears how the organisation behind the event is enlisting an AI platform to tackle online abuse aimed at athletes competing in the event. Also in this episode Shiona McCallum meets the next generation of game designers and we find out about a project in Rwanda to improve the fit of prosthetic limbs.

Image: Paris 2024 Olympic Games logo is displayed near the Eiffel Tower (Photo by Chesnot/Getty Images)

El Salvador's president made Bitcoin legal tender, now he wants to build a city. Joe Tidy speaks to Salvodoran-American cryptocurrency enthusiast and investor Gerson Martinez about the Central American country's experience with Bitcoin since its introduction earlier this year. Plus 193 member states of the UN agency Unesco say they want a more ethical approach to the development of artificial intelligence. We hear from Unesco's Gabriella Ramos about the problems with AI use today. And our own Jane Wakefield investigates the community of tweeters and YouTubers helping others find the latest Playstation and XBox consoles amid a global computer chip shortage in the run-up to Christmas.

How hackers stole millions from companies around the world, and why they're so difficult to stop. Chris Fox speaks to Jen Ellis from cybersecurity firm Rapid7 and to Tom Pace from NetRise about the growth in ransomware attacks in recent years, and why companies often feel they have no choice but to pay large ransoms. And Joe Tidy travels to Russia in an attempt to track down alleged ransomware gang members.

Alleged hackers are arrested and millions of dollars recovered in a global police operation. Is the tide finally turning in the battle against ransomware attacks? Jane Wakefield speaks to James Chappell from cybersecurity firm Digital Shadows. Plus companies like Facebook have virtual reality at the heart of their plans for the metaverse, but is augmented reality a better bet? We speak to Magic Leap, the company that hopes its AR glasses will become as essential to our digital lives as our phones. And just a few companies run the cloud that powers most of the websites we use. What happens when they fail? Presented by Jane Wakefield with BBC tech reporter Chris Vallance.