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The Brilliance of Bridges and Roads That Repair Themselves | Mark Miodownik | TED

Your skin heals after a scratch. What if our roads, bridges and cities could self-repair after getting damaged, too? Scientist and engineer Mark Miodownik describes a new class of materials — animate matter — with the potential to sense damage, self-heal and even biodegrade when the job is done. Humanity’s next great leap isn’t making…

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Your skin heals after a scratch. What if our roads, bridges and cities could self-repair after getting damaged, too? Scientist and engineer Mark Miodownik describes a new class of materials — animate matter — with the potential to sense damage, self-heal and even biodegrade when the job is done. Humanity’s next great leap isn’t making more stuff, he says — it’s making stuff that doesn’t fall apart. (Recorded at TED2025 on April 10, 2025)

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11 Comments

11 Comments

  1. @ExistentialWolf

    March 11, 2026 at 11:57 am

    🌲🌲🌲!:D

  2. @l.clevelandmajor9931

    March 11, 2026 at 3:51 pm

    Idealistic Attitude there, because what he’s saying is not going to be as easy as he wants to believe it will. First of all, most of the human race is nowhere near as educated as they would need to be to even implement such a plan. We would need to at least increase the highly educated numbers to perhaps as much as a fifth of the population maybe? That won’t happen in just a couple of decades! Also, you’ll never get every nation on Earth to agree to that new form of economy. As we are a species that does like making things, if we go with self repairing materials completely, many of us will be unable to do things we now do, because self repairing materials will make that unecessary.
    Yes this world is not in the best of shape, because of us, but getting all humans to agree to a new system like that might never happen, because we all like having our own ideas and ways of doing things! Almost 7 to 9 billion humans, with minds of their own, will never fully agree on even one thing!
    This man is just airing his Pipe Dream!

    • @NirvanaFan5000

      March 12, 2026 at 3:57 pm

      most people who use things like cement don’t know or care about the chemistry. they just follow the instructions on the bag. if we can start commercially selling self-repairing cement, we don’t need the masses to understand the chemistry.

    • @l.clevelandmajor9931

      March 13, 2026 at 2:14 am

      @NirvanaFan5000 Keyword in your comment is “If.” It’s a word with just 2 letters, but is the biggest word in the English language, as it is used more than just about any other word! And it leaves one thinking “Whatever ‘If’ is referring to here will likely never happen.” That is how “if” works!

  3. @doubleuenbeeeh

    March 11, 2026 at 4:47 pm

    Caricature of a human voice

  4. @doubleuenbeeeh

    March 11, 2026 at 4:49 pm

    “they do a poo”, huh?

  5. @doubleuenbeeeh

    March 11, 2026 at 4:51 pm

    “over time immemorial” huh?

  6. @SiyamIelts

    March 12, 2026 at 12:47 am

  7. @trishitmukherjee5552

    March 12, 2026 at 12:59 am

    Finally a video not about AI.
    Interesting video, by the way.

  8. @KalletiZayn

    March 12, 2026 at 7:07 am

    What about village?

  9. @urbanstrencan

    March 13, 2026 at 4:35 pm

    Great video, and interesting technology, would be game changer for our roads full of potholes

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Could exposing kids to their fears help them thrive later on in life? #TEDTalks

Could exposing kids to their fears help them thrive later on in life? Exploring the science of exposure therapy, pediatric psychologist Kathryn Hecht shows how encouraging children to handle discomfort builds confidence and resilience.

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Could exposing kids to their fears help them thrive later on in life? Exploring the science of exposure therapy, pediatric psychologist Kathryn Hecht shows how encouraging children to handle discomfort builds confidence and resilience.

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What to Do When You’re Told There’s Nothing Left to Try | David Fajgenbaum, Kiah Williams | TED

What do you do when the world declares something impossible? When physician-scientist David Fajgenbaum was dying from a rare disease and social entrepreneur Kiah Williams was confronting the realities of economic hardship, they began asking a different question: What can I do today? In this conversation, they discuss how turning hope into action can drive…

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What do you do when the world declares something impossible? When physician-scientist David Fajgenbaum was dying from a rare disease and social entrepreneur Kiah Williams was confronting the realities of economic hardship, they began asking a different question: What can I do today? In this conversation, they discuss how turning hope into action can drive meaningful change — one step at a time. (This conversation is hosted by The Audacious Project’s Alexandra Tillmann) (Recorded at TEDNext 2025 on November 10, 2025.)

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Being surrounded by puppies all day and helping people in need? Talk about a DREAM job! #TEDTalks

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