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    Home»Technology»Researchers Develop World’s Lightest Material
    Technology

    Researchers Develop World’s Lightest Material

    By SciTechDailyNovember 18, 201111 Comments2 Mins Read
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    World’s Lightest Metal
    Mechanical & aerospace engineer Lorenzo Valdevit and fellow researchers at HRL Labs and Caltech created the world’s lightest metal – so light that it can sit atop dandelion fluff without damaging it. Credit: Dan Little, HRL Laboratories LLC

    Styrofoam is very lightweight, unless you compare it to the new micro-lattice cellular material developed by a team of researchers from UC Irvine, HRL Laboratories, and Caltech. Compared to Styrofoam, this new material is 100 times less dense and is said to be the lightest material in the world. In fact, it is so lightweight that it can float on top of a dandelion without damaging the fluff.

    It may be surprising to hear that this new material is made of metal (mostly nickel) given that it is so light. Dr. Tobias Schaedler of HRL explains “The trick is to fabricate a lattice of interconnected hollow tubes with a wall thickness 1,000 times thinner than a human hair.” With this nanotechnology construction the material is 99.99% air, which is why it is so lightweight with a density of only 0.9 mg/cc.

    Besides for low density, the unique “micro-lattice” cellular architecture of this material delivers other exciting properties, such as extremely high energy absorption and full recovery from significant compression. There are many possible applications of this material including as a thermal insulator, battery electrode, catalyst support, or as a damper for shock, vibration, or acoustic energy.

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    California Institute of Technology HRL Laboratories Materials Science UC Irvine
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    11 Comments

    1. Markus Demitrius on November 24, 2011 6:33 am

      I’m awestruck by what science is (and can be) capable of and love reading about new discoveries and ideas.

      BUT, it’s my firm belief that any nanotech experimentation into the realm of self-replication (which this is not) should be conducted off-planet. Mistakes happen, and I suspect there are nearly as many former life-bearing planets in our galaxy that have turned to sludge as there are runaway-greenhouse planets. IMHO.

      RESEARCH is what drove the USA to world dominance a century ago, and we CAN do it again if we can somehow convince the many religious voters that the GOP is not working in their best interest (unless they’re rich).

      Reply
      • msq on May 11, 2012 5:05 pm

        you are a political jackass

        Reply
        • Chris L on July 4, 2012 7:46 am

          @ MSQ, and you are an ignorant jackass.

          Reply
      • Philldapill on July 23, 2012 4:53 pm

        Wow. I can’t believe you turned that political… It all made sense until you went down the “religious nuts are the cause of all that is bad” road.

        Actually, the “GOP” has, historically speaking, been the party to support initiatives such as NASA and other research areas. The Democrat party is the one that scoffs at this kind of stuff and wants to spend money on social causes, instead.

        Reply
      • John on January 27, 2025 4:45 am

        To Markus, that’s the dumbest and most hate filled comment here.
        You athiest are so worried and depressed about no life after death, that you want us all there sharing your doom and depression about your spurious beliefs. No thanks.
        No one here cares about your political beliefs. If you have nothing nice to say to people, don’t say anything.

        Reply
    2. Kronos on July 30, 2012 10:37 am

      Leave the USA out of this, science is a world community it does not end at your borders.

      This is exciting technology, I’m really curious how much stress this structure can handle. If it’s strong enough it could lead to lighter weight aircraft and whatnot.

      Reply
      • Caesar on January 9, 2024 8:13 pm

        @Philldapill:

        Your remarks about GOP support of science doesn’t seem to have aged so well, has it? Did you ingest your daily dose of bleach yet?

        Reply
        • John on January 27, 2025 4:38 am

          At Caesar, have you had your 20 booster shots of the spurious vaccine? Go for another round of booster shots, sounds like you need more.

          Reply
    3. Mikey on March 26, 2013 10:09 pm

      Why stop there? Keep it up. Let’s shoot for 100 times lighter than air.

      Reply
    4. Fetch on November 27, 2024 6:19 am

      GOP was born in rural American churches as Republicans saw a gold mine in cultivating the gatherers as voters.

      Reply
      • John on January 27, 2025 4:39 am

        Why do you athiest feel the need to force your beliefs on others?

        Reply
    Leave A Reply Cancel Reply

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