Crumpled sheets reveal a mechanism for glassy relaxations

We often crumple a scrap piece of paper into a ball before throwing it. This mundane action, however, creates a unique complex system with surprising mechanical properties. Take a thin plastic sheet such as cellophane and ...

VPR: A stronger, stretchier, self-healing plastic

Researchers at the University of Tokyo have developed an innovative plastic that is stronger and stretchier than the current standard type. The plastic is also partially biodegradable, remembers its shape, and can be healed ...

Genomic stability: A double-edged sword for sharks

Sharks have been populating the oceans for about 400 to 500 million years. While our planet and many of its inhabitants have undergone massive changes several times during this period, this basal group of vertebrates has ...

The sweet physics of saltwater taffy

American beach town boardwalks often boast numerous storefronts advertising saltwater taffies. The candy calls to mind summer vacations, a rainbow assortment of colors and flavors, and a sweetness that sticks to the roof ...

How to make color-changing 'Transformers' with polymers

Shape and color changing are key survival traits for many animals. Chameleons can change their body to hide from predators, to reflect their moods, or even to defend their territory, while some soft-bodied animal-like octopuses, ...

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