Materials

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srcset="https://web.archive.org/web/20241128143625im_/https://assets.newatlas.com/dims4/default/61c371d/2147483647/strip/true/crop/1406x937+0+0/resize/220x147!/quality/90/?url=http%3A%2F%2Fnewatlas-brightspot.s3.amazonaws.com%2F37%2F45%2Ff775727b4c0b817253e52d52bebe%2Fthe-hollow-tubes-in-this-concrete-are-inspired-by-human-cortical-bone-found-in-the-femur.jpg 220w, https://web.archive.org/web/20241128143625im_/https://assets.newatlas.com/dims4/default/6cbe876/2147483647/strip/true/crop/1406x937+0+0/resize/440x293!/quality/90/?url=http%3A%2F%2Fnewatlas-brightspot.s3.amazonaws.com%2F37%2F45%2Ff775727b4c0b817253e52d52bebe%2Fthe-hollow-tubes-in-this-concrete-are-inspired-by-human-cortical-bone-found-in-the-femur.jpg 440w, 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href="https://web.archive.org/web/20241128143625/https://newatlas.com/materials/concrete-hollow-tubes-bones-5x-tougher/" data-cms-ai="0">Hollow concrete mimics human bones for 5x better toughness</a> </div> <div class="PromoB-date">September 19, 2024</div> <div class="PromoB-description">A pair of Princeton engineers have developed a new kind of concrete that promises more than 5 times the damage resistance of the usual stuff, by poking holes in its structure.</div> </div> </div> </li> <li class="ListE-items-item"> <div class="PromoB" data-content-type="article"> <div class="PromoB-content"> <div class="PromoB-media"> <a class="Link" href="https://web.archive.org/web/20241128143625/https://newatlas.com/materials/adhesive-free-bonding-wood-metal/" aria-label="No glue required: Wood and metal bonded with sound and 3D printing" data-cms-ai="0"> <div class="Image__wrapper" data-template="Image"> <img class="Image " alt="In Ultrasonic Joining, two materials like wood and metal are joined by heat produced from the friction of sound waves" width="720" height="480" data-image-size="promoMediumLarge" srcset="https://web.archive.org/web/20241128143625im_/https://assets.newatlas.com/dims4/default/e35dc16/2147483647/strip/true/crop/4000x2667+0+0/resize/220x147!/quality/90/?url=http%3A%2F%2Fnewatlas-brightspot.s3.amazonaws.com%2Fb7%2F10%2F52e9415d41068ab91cd13e02a843%2Fultrasonic-joining.jpg 220w, https://web.archive.org/web/20241128143625im_/https://assets.newatlas.com/dims4/default/f6fc0b1/2147483647/strip/true/crop/4000x2667+0+0/resize/440x293!/quality/90/?url=http%3A%2F%2Fnewatlas-brightspot.s3.amazonaws.com%2Fb7%2F10%2F52e9415d41068ab91cd13e02a843%2Fultrasonic-joining.jpg 440w, https://web.archive.org/web/20241128143625im_/https://assets.newatlas.com/dims4/default/1c1fd21/2147483647/strip/true/crop/4000x2667+0+0/resize/800x533!/quality/90/?url=http%3A%2F%2Fnewatlas-brightspot.s3.amazonaws.com%2Fb7%2F10%2F52e9415d41068ab91cd13e02a843%2Fultrasonic-joining.jpg 800w" 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