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TED Tech

TED Tech

By: TED Tech
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About this listen

From the construction of virtual realities to the internet of things to the watches on our wrists—technology's influence is everywhere. Its role in our lives is evolving fast, and we're faced with riveting questions and tough challenges that sit at the intersection of technology and humanity. Listen in every Friday, with host, journalist Sherrell Dorsey, as TED speakers explore the way tech shapes how we think about society, science, design, business, and more.


Follow Sherrell on Instagram @sherrell_dorsey and on LinkedIn @sherrelldorsey

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TED Tech
Episodes
  • How we built Watch Duty, the lifesaving wildfire alert app | John Mills

    How we built Watch Duty, the lifesaving wildfire alert app | John Mills
    Feb 20 2026

    After finding himself alone in an unreported wildfire in the woodlands of California, John Mills decided to take matters into his own hands. Hear the incredible story of how he rallied fire survivors and retired first responders to create Watch Duty, the nonprofit emergency alert system that’s beating official government warnings and buying people precious minutes to escape danger.

    Learn more about our flagship conference happening this April at attend.ted.com/podcast

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    11 mins
  • How satellites are supporting farmers across Africa | Catherine Nakalembe

    How satellites are supporting farmers across Africa | Catherine Nakalembe
    Feb 13 2026

    More than 8,000 satellites orbit Earth, taking photos every day. Food security specialist and TED Fellow Catherine Nakalembe shows how she uses this imagery to help smallholder farmers across Africa prepare for floods, droughts and crop failures. Learn why real innovation isn’t always about shinier technology — it’s about making the tech truly fit the problem it’s solving.

    Learn more about our flagship conference happening this April at attend.ted.com/podcast

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    13 mins
  • The best thing that could happen to the energy industry | Matt Tilleard

    The best thing that could happen to the energy industry | Matt Tilleard
    Feb 6 2026

    History has been written by whoever controls the dominant fuel of the era — until now, says renewables entrepreneur Matt Tilleard. He explains why, as the clean energy transition ramps up, we’re moving from a world where energy comes from burning fuels to one where it will come from using technology. Learn why this could change everything about global power dynamics — and why the future belongs not to those who control resources, but to those who build and share technology.

    Learn more about our flagship conference happening this April at attend.ted.com/podcast

    Hosted on Acast. See acast.com/privacy for more information.
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    16 mins
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