News tagged with chain

New self-stretching material developed

Although most materials slightly expand when heated, there is a new class of rubber-like material that not only self-stretches upon cooling; it reverts back to its original shape when heated, all without physical manipulation.

dateFeb 13, 2015 in Polymers
shares34 comments 0

A contractile gel that stores light energy

Living systems have the ability to produce collective molecular motions that have an effect at the macroscale, such as a muscle that contracts via the concerted action of protein motors. In order to reproduce this phenomenon, ...

dateJan 20, 2015 in Nanomaterials
shares36 comments 0

Two-thirds drop in large fish numbers in 100 years

Overfishing has significantly reduced the populations of larger species of marine fish. In fact, stocks of large fish have declined by two-thirds in one century. These findings come from an international research team who ...

dateJan 16, 2015 in Ecology
shares248 comments 0