If you stretch an elastic band, it becomes thinner - a physical behavior that applies to most "common" materials. Since the 20th century, an opposite behavior has been known in materials research: The ...

Why auxetic materials offer some unique advantages in sensor fabrication. How additive manufacturing was used with autextic materials to create unique pressure and force sensors. The structure and ...

In clothing, auxetic nylons, fibers and other synthetic materials could prove more comfortable than traditional materials. Since they widen when stretched, they more effectively distribute pressure ...

Regardless of whether it is strained or compressed, the new material always expands. Copyright: Thomas Heine et al. Researchers have discovered a two-dimensional ...

Most of us think we have a pretty solid grasp on basic physics, and one of the assumptions we've come to form is that any material gets thinner as it's stretched. It makes sense, since the same amount ...

Most materials get thinner when stretched, but “auxetics” do the opposite and get thicker. Helen Gleeson describes her group’s discovery of a material that is auxetic at the molecular level, which ...

On the surface, running shoes, memory foam and masonry don’t have much in common. But there is a new material connection. Auxetic materials are used in running shoes and memory foam. Researchers are ...

If the Poisson’s ratio of the material if positive, then tensile/compressive strains in the x-direction produce compressive/tensile strains in the y- and z-directions, as shown below. Negative Poisson ...

Researchers have discovered a new two-dimensional material with unprecedented properties: regardless if it is strained or compressed, it always expands. This so-called half-auxetic behavior is ...

Auxetics defy common sense, widening when stretched and narrowing when compressed. NIST researchers have now made the process of using them much easier. Such common-sense-defying materials do exist.

Such common-sense-defying materials do exist. They’re called auxetics, and they have a raft of unique properties that make them well-suited for sneaker insoles, bomb-resilient buildings, car bumpers ...