67 thoughts on “Scientist Explains How Unsinkable Metal Works | WIRED

  1. I wonder how they would scale this up for a ship so the metal could be thick and strong enough. as it goes right now the metal is almost foil like in width. Seems like it would be great for things like small electronic beacons drones and such.

  2. This could have uses if it's easy to mass produce and doesn't degrade but a compartmentalised hollow structure would do the same job without the added risk of degradation. And that's essentially what ships use, they have compartments so that if one gets breached it doesn't sink the whole ship. I'm wondering if this instead could be used to reduce the amount of drag on ships hulls or to deduce the damage caused by cavitation on the ships impellers because of the air boundary.

  3. Wait a minute I have been in this lab but had not clue what what being studied. Or it may have been working on something else at the time.

  4. It just has less overall density than water… meaning if a ship was made of it the entire ship would have to be less dense than water for it to be unsinkable. To me the microscopic nature of this invention doesnt apply to a boat.

  5. How does it react to salt water? How does it react to barnacles and other sea faring microbes that cause problems for extended duration sea crafts?

  6. I don't think you can do this on ship's hull. How do you solve the corrosion and the fouling of hull due to marine organism?

  7. Make a cylinder of this, fill it with water, then see if it floats. I doubt it will. This can't be used to make unsinkable ships. If a ship sinks due to a hole, water will rush in and fill up the ship, weighing it down and sinking it.

  8. How is the unsinkable ship claim even possible? Ships sink because a water floods the hull through a hole in it, making it heavier than the amount of water it displaces. Is it that the metal structure can trap a sufficient volume of air itself to keep the whole ship afloat? Seems pretty unbelievable to me, as if it were true you could just use any lighter-than-water material to construct the hull

  9. “Conceivably unsinkable ships” ??

    Did you see the metal held down with a weight?

    Try this with a thick piece of metal. Thick enough to built a ship, a ship carrying weight.

  10. The amount of water displaced within those two metal layers would never keep a ship and its cargo afloat. Ships will still rely on displacing vast amounts of water to increase their buoyancy – and a severely damaged hull is still going to sink those ships.

  11. How is the surface supposed to keep the air blanket if the boat is always under water and often moving at high velocity? Won’t the air eventually sluff off or dissolve into the surrounding water? I’d like to see that (the most common boat use case) tested.

  12. C'mon Wired, the audio on this is atrocious. You can't even concentrate on what the guy is saying. Who's idea was it to set up a video call without at least one of you wearing earbuds, or doing something to prevent the audio echo? Very unprofessional…

  13. yeah its unsinkable until there's flow in the fluid over the surface which overcomes cohesion and rips off the gas layer. Which would happen on any ship that moves, so…

  14. What about if you use detergent on it to break the surface tension ?, if it sinks then you will see armies carrying around a huge Fairy liquid bottle.

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