Researchers at the Federal Institute of Technology Lausanne (EPFL - Switzerland) have made a new type of material. Extremely stretchable, rigidity also varies according to its temperature. Its scope is particularly expanded, several areas would be interested in this property.
For this wire, scientists have inserted a metal alloy in a silicone tube. When all is crossed by a small current, the temperature rises and when it exceeds 62 ° C, the wire becomes so soft that one can stretch it up to 4 times its original length. However, when the feed section, the temperature decreases and solidification is almost instantaneous. Thus, according to the researchers, the wire becomes harder and is 700 times stronger than at the beginning of the experiment.
This composite wire offers many opportunities
Scientists emphasize the simplicity of manufacturing and the many possibilities offered by this new type of wire. For example, it could be used to transform a drone car. Thus, when necessary, the propellers arrondiraient and the aircraft also would roll on land. Furthermore, this material should also for robotics engineers who wish to better copy biological tissues. Finally, architects have a new raw material for the manufacture of plaster.
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