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.

Feb 13, 2015
4.6 / 5 (8) 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 ...

Jan 20, 2015
4.8 / 5 (6) 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 ...

Jan 16, 2015
5 / 5 (4) 0

First responders get mobile app for biodetection

First responders have downloaded more than 10,000 copies of a guide to commercially available, hand-portable biodetection technologies created to help them determine what they might be up against in the field. ...

Jan 09, 2015
5 / 5 (1) 0