Can supersonic air travel make a comeback?

Greg Foot, host of the BBC Radio 4 show 'Sliced Bread', now brings you 'Dough'.

Each episode explores future wonder products that might rise to success and redefine our lives.

Experts and entrepreneurs discuss the trends shaping what today's everyday technology may look like tomorrow, before a leading futurist offers their predictions on what life might be like within five, ten and fifty years.

This episode examines the future of flight.

How could new, supersonic flights not cost the earth?

Alongside Greg is the futurist, Tom Cheesewright, and expert guests Mariya Tarabanovska, an aerospace engineer and the founder of Flight Crowd, a non-profit educational organisation focused on electric aviation and Simon Davies, chief test pilot at Vertical Aerospace, a British aerospace technology company.

This episode was produced by Jay Unger.

Dough is a BBC Audio North Production for BBC Radio 4 and BBC Sounds

Could 'smart' clothing monitor our health?

Greg Foot, host of the BBC Radio 4 show 'Sliced Bread', now brings you 'Dough'.

Each episode explores future wonder products that might rise to success and redefine our lives.

Experts and entrepreneurs discuss the trends shaping what today's everyday technology may look like tomorrow, before a leading futurist offers their predictions on what life might be like within five, ten and fifty years.

This episode examines the future of our clothing.

How can manufacturers dye clothes without using water?

Greg is joined by the futurist, Tracey Follows, and expert guests Dr Marie O'Mahony, programme leader for E-textiles and Wearable Technologies at the Winchester School of Art at the University of Southampton and Jenny Prendergast, Programme Leader for Fashion and Design Technology at Loughborough University.

This episode was produced by Jay Unger.

Dough is a BBC Audio North Production for BBC Radio 4 and BBC Sounds

Could your future home be built by a robot bricklayer?

Greg Foot, host of the BBC Radio 4 show 'Sliced Bread', now brings you 'Dough'.

Each episode explores future wonder products that might rise to success and redefine our lives.

Experts and entrepreneurs discuss the trends shaping what today's everyday technology may look like tomorrow, before a leading futurist offers their predictions on what life might be like within five, ten and fifty years.

This episode examines the future of UK housebuilding.

Will new homes be cheaper to run and built to a higher standard?

Alongside Greg is the futurist Tom Cheesewright and expert guests including Prof. Richard Fitton, Professor of Building Performance at the University of Salford and Salar al Khafaji, the CEO and founder of Monumental which builds autonomous on-site construction robots.

Produced by Jon Douglas. Dough is a BBC Audio North Production for BBC Radio 4 and BBC Sounds.

Will delivery drones and robots make popping to the shops a thing of the past?

Greg Foot, host of the BBC Radio 4 show 'Sliced Bread', now brings you 'Dough'.

Each episode explores future wonder products that might rise to success and redefine our lives.

Experts and entrepreneurs discuss the trends shaping what today's everyday technology may look like tomorrow, before a leading futurist offers their predictions on what life might be like within five, ten and fifty years.

This episode looks at the future of home parcel delivery.

One of the UK's biggest parcel delivery companies, Evri, explains why its trial of a robot delivery 'dog' will not spell the end for human couriers.

A service already delivering coffee and groceries by drone in part of Dublin outlines its plans to take off in the UK.

And Greg hears how looking to the past may improve home deliveries in future by making more of our inland waterways and rail network.

Alongside Greg, delivering her expertise, is the futurist Tracey Follows and expert guests including:

-Craig Noonan, UK Director of Communications and Brand at Evri

Produced by Jon Douglas. Dough is a BBC Audio North Production for BBC Radio 4 and BBC Sounds.

Will your car be driving you by 2050?

Greg Foot, host of the BBC Radio 4 show Sliced Bread, now brings you Dough.

Each episode explores future wonder products that might rise to success and redefine our lives.

Experts and entrepreneurs discuss the trends shaping what today's everyday technology may look like tomorrow, before a leading futurist offers their predictions on what life might be like within five, ten and fifty years.

The series kicks off with a look at the future of cars.

Will new battery technology transform the range and price of electric cars?

Alongside Greg in the passenger seat is the futurist Tom Cheesewright and expert guests including:

-Phil Blythe CBE - a former Chief Scientific Adviser to the UK's Department for Transport and Professor of Intelligent Transport Systems at Newcastle University

Produced by Jon Douglas. Dough is a BBC Audio North Production for BBC Radio 4 and BBC Sounds.

Is it worth getting a Smart Doorbell?

Greg Foot pushes all the right buttons as he gathers consumer and crime experts to get answers for listener Derek, who's keen to learn more about the various features, prices and security elements in the growing market of smart doorbells.

Each episode Greg investigates the latest ad-hyped products and trending fads promising to make us healthier, happier and greener. Are they really 'the best thing since sliced bread' and should you spend your money on them?

This episode is the last in the current series of Sliced Bread, but we're hungry for your suggestions so we can prepare another batch! If you’ve seen an ad, trend or wonder product promising to make you happier, healthier or greener, email us at [email protected] OR send a voice note to our WhatsApp number, 07543 306807.

RESEARCHER: PHIL SANSOM

Is expensive salt better for your health?

Greg Foot gathers the experts, dives into the data and crunches the numbers to get the answers for listener Sally.

Each episode Greg investigates the latest ad-hyped products and trending fads promising to make us healthier, happier and greener. Are they really 'the best thing since sliced bread' and should you spend your money on them?

All of our episodes start with YOUR suggestions. If you’ve seen an ad, trend or wonder product promising to make you happier, healthier or greener, email us at [email protected] OR send a voice note to our WhatsApp number, 07543 306807.

RESEARCHER: PHIL SANSOM

Greg Foot gathers the experts, and "chips" away at the science for listener Helen.

Each episode Greg investigates the latest ad-hyped products and trending fads promising to make us healthier, happier and greener. Are they really 'the best thing since sliced bread' and should you spend your money on them?

All of our episodes start with YOUR suggestions. If you’ve seen an ad, trend or wonder product promising to make you happier, healthier or greener, email us at [email protected] OR send a voice note to our WhatsApp number, 07543 306807.

RESEARCHER: PHIL SANSOM

Greg Foot gathers the experts, to find out which claims "stand up" to scrutiny for listener Bede.

Each episode Greg investigates the latest ad-hyped products and trending fads promising to make us healthier, happier and greener. Are they really 'the best thing since sliced bread' and should you spend your money on them?

All of our episodes start with YOUR suggestions. If you’ve seen an ad, trend or wonder product promising to make you happier, healthier or greener, email us at [email protected] OR send a voice note to our WhatsApp number, 07543 306807.

RESEARCHER: PHIL SANSOM

Can dehumidifiers dry out your house - and your clothes?

Greg Foot gathers the experts, dives into the data and crunches the numbers to get answers for listener Rhys.

Each episode Greg investigates the latest ad-hyped products and trending fads promising to make us healthier, happier and greener. Are they really 'the best thing since sliced bread' and should you spend your money on them?

All of our episodes start with YOUR suggestions. If you’ve seen an ad, trend or wonder product promising to make you happier, healthier or greener, email us at [email protected] OR send a voice note to our WhatsApp number, 07543 306807.

RESEARCHER: PHIL SANSOM