TED Tech

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

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TED Tech

Episodes (253)

Friday How we built Watch Duty, the lifesaving wildfire alert app | John Mills
Fri Feb 13th How satellites are supporting farmers across Africa | Catherine Nakalembe
Fri Feb 6th The best thing that could happen to the energy industry | Matt Tilleard

TED Tech

Feb 20, 2026
11½ minutes
10 MB

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

TED Tech

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

TED Tech

00:00 -10:39