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How We Built Watch Duty, the Lifesaving Wildfire Alert App | John Mills | TED

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…

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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. (Recorded at TEDNext 2025 on November 11, 2025)

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19 Comments

19 Comments

  1. @lyricsofgrace

    December 15, 2025 at 11:06 am

    First to comment 😊

  2. @IlyosAbdunazar

    December 15, 2025 at 11:28 am

    I’m second

  3. @kenreed798

    December 15, 2025 at 2:20 pm

    Great!

  4. @Susanand3kitties

    December 15, 2025 at 3:15 pm

    Your App kept my son safe, and me a thousand miles away, better informed of how/where the Altadena fire was moving

    • @WayinVideo-DeepQA

      December 15, 2025 at 7:32 pm

      It’s heartwarming to hear how the app played a vital role in keeping your son safe during the Altadena fire while you were miles away. It really underscores the importance of timely and accurate information during emergencies. In situations like wildfires, every second counts, and having real-time updates can make all the difference. How did you feel knowing he had access to such a valuable resource? It must have provided some comfort amidst the chaos.

    • @watchdutyapp

      December 16, 2025 at 9:26 am

      That warms our heart, Susan – that’s exactly what we’re here for!

  5. @KanteMullar

    December 15, 2025 at 4:56 pm

    >>>>>>>>>>>>>>Sixty five thousand dollars biweekly and retired, oh God I’m very grateful for this blessed year 🙏🇺🇸

    • @KanteMullar

      December 15, 2025 at 4:58 pm

      Big thanks to Elizabeth Ann Zorn

    • @KanteMullar

      December 15, 2025 at 4:59 pm

      She’s a licensed broker here in the states 🇺🇸 and finance advisor.

    • @KanteMullar

      December 15, 2025 at 5:00 pm

      $150k monthly and retired. I was once broke but now retired with a good financial structure, YES! I also feel sad and lonely sometimes but happy at most times knowing I’m free.

    • @KanteMullar

      December 15, 2025 at 5:00 pm

      There is her line!!! under this comment!!!

    • @KanteMullar

      December 15, 2025 at 5:00 pm

      USA: USA: ╋𝟣7626780641👍🏻👍🏻👍🏻👍🏻👍🏻👍🏻👍🏻👍🏻👍🏻👍🏻👍🏻👍🏻👍🏻👍🏻👍🏻❤️❤️
      Everyone is “copying like this, “YouTube ” is frustrating ✅✅✅✅🇺🇸🇺🇸

  6. @xieqichao0521

    December 15, 2025 at 5:53 pm

    TED Talks always help me grow spiritually🥰

  7. @WayinVideo-DeepQA

    December 15, 2025 at 7:31 pm

    In a world where official alerts often fall short, the rise of community-driven solutions like Watch Duty highlights a critical shift in how we respond to crises. It’s fascinating to see how a group of passionate individuals can harness technology and local knowledge to empower themselves and their neighbors. But as we increasingly rely on these grassroots initiatives, what does that mean for trust in government systems? Are we witnessing a necessary evolution in emergency response, or are we setting a dangerous precedent by undermining established authorities? The balance between innovation and regulation is delicate, and it’s worth considering where we draw the line in our pursuit of safety.

  8. @jessiclark-white2244

    December 15, 2025 at 11:43 pm

    So proud of you and of Watch Duty!

  9. @not2moody

    December 16, 2025 at 2:38 am

    Excellent TED Talk 🧡

  10. @Emily35-Official

    December 16, 2025 at 9:10 am

    Good effort, but may I suggest you guys look over here at the bush fire capital of the world, Australia.

    As I live in Victoria, I’ll speak about “VicEmergency”, the official state government app for spreading advice.

    You can set up watch zones, say for at home, or just allow it to send you nearby alerts based on your current location.

    The alerts can include just “critical alerts”, like grass and bush fires, or it can be extended to include weather warnings, animal disease alerts (important for farmers to know about).

    It gives alerts the moment an incident is logged at the state wide dispatch centre and is automatically updated with the number of vehicles responding, job status etc.

    This is not just about firefighting, even “tree down” events and car accident events provide useful information about which roads might be blocked and should be avoided.

    And getting a warning message, like an evacuation warning, is simple.

    The officer in charge of an incident, or a regional commander etc, only needs to key the radio to the dispatcher and ask for a message.

    Radio: “Vicfire, Incident Control, we need an evac immediately alert for Town name”.

    It’s typed out and by the time the message has been read back and confirmes to be correct, its ready to hit send.

    And within seconds, phones are receiving alerts.

    You can look at ours on the internet, as well as find radio scanner feeds for “VicFire” to compare.

    I’m not saying our system is better, in fact I’m sure we could learn a lot from your system.

    But the goal isn’t to “win”, it’s to save lives.

    Having a direct link to computer aided dispatch centre for police, ambulance and fire means a lot of data is updated automatically.

    If an incident controller arrives at the fire and says “oh crap, send me 20 fire trucks”, the dispatcher just hits “deploy 20 fire trucks”, the most appropriate trucks are sent response pages AND the public information (website and app) is updated to show 20 trucks responding instantly.

    Oh and my state also provides the “almost live” radio feeds for all it’s dispatch channels over the internet.

    There is around a 30 second delay, but that might just be a technical limitation.

    As a former volunteer firefighter of some 11 years with plenty of bush fire experience (and houses, car accidents etc), it is honestly a pretty good system. But would love to have “an outsider” review ours and compare.

    What are we doing right, what can we do better? And likewise for your system.

    Now that your governments seem on board, you can point them to a system in use by a state govenment of a close allied nation where they can see it in action, ask questions etc.

  11. @guss1470

    December 16, 2025 at 12:36 pm

    I was a Wildland Fire Fighter during the early 2000s, I downloaded the Watch Duty App about 4, 3 years ago, it is very helpful. If smoke is covering my area, i use the app. I AWAYS recommend the app to everyone. Thankyou for creating the App!

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Science & Technology

Building beyond LLMs with Luma AI’s Amit Jain (Live at Web Summit Qatar) | Equity Podcast

LLMs may have kicked off this AI boom, but the ceiling is closer than the hype suggests. As models run out of text data to train on, the companies and investors paying attention are already moving on. The next wave isn’t better chatbots; it’s machines that can understand the physical world. Luma AI, the Bay…

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LLMs may have kicked off this AI boom, but the ceiling is closer than the hype suggests. As models run out of text data to train on, the companies and investors paying attention are already moving on. The next wave isn’t better chatbots; it’s machines that can understand the physical world. Luma AI, the Bay Area lab that raised over $1.4 billion from a16z, Nvidia, and Amazon, is betting on exactly that.

On episode of TechCrunch’s Equity podcast, we’re bringing you a conversation Rebecca Bellan sat down with Amit Jain, co-founder and CEO of Luma AI, at Web Summit Qatar. Together, the pair dug into where the next trillion-dollar AI opportunity actually gets built, and whether the companies chasing it even know what they’re building yet.

Subscribe to Equity on YouTube, Apple Podcasts, Overcast, Spotify and all the casts. You also can follow Equity on X and Threads, at @EquityPod.

Chapters:

00:00 Intro

01:13 Why LLMs are hitting a ceiling

02:43 The data problem & what comes after LLMs

04:30 What actually makes a world model a world model

06:05 Why 3D data is a dead end

07:39 What Luma is building next

09:08 How much humans stay in the loop

10:00 Near-term use cases for agentic video

11:22 Will AI kill jobs in film & production?

13:30 Why the entertainment industry is already dying

15:27 Why we actually need more content, not less

17:46 Luma’s roadmap: generation, understanding, and robotics

19:54 Outro

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iPhone in Space! Plus 5 MORE Apple Products That Went to Space | One More Thing

The iPhone has been to space a few times now — in fact, Apple products have a long history of space travel. CNET’s Bridget Carey looks back at notable moments, including the Macintosh Portable sending the first email in space. Read more about it on CNET.com Artemis II Astronauts Are Using iPhones to Capture Stunning…

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The iPhone has been to space a few times now — in fact, Apple products have a long history of space travel. CNET’s Bridget Carey looks back at notable moments, including the Macintosh Portable sending the first email in space.

Read more about it on CNET.com
Artemis II Astronauts Are Using iPhones to Capture Stunning Space Images

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0:44 Getting an iPhone 17 Pro Max into space with the NASA Artemis II crew
1:57 Nikon and GoPro Cameras also used in space by NASA Artemis crew
2:48 History of Apple products going to space
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4:51 The mac goes interstellar
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5:26 First email sent in space in 1991 from a Macintosh Portable
5:31 ThinkPads used in NASA missions
5:45 Microsoft Outlook glitches in space for Artemis II crew
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Americans loved drinking radioactive ‘miracle water’ in 1920s

Radithor promised to cure everything from wrinkles to leukemia, but its unintended results were deadly. Watch the full video:

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Radithor promised to cure everything from wrinkles to leukemia, but its unintended results were deadly.

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