Biomimetic file 138: Seashell-Inspired Material leading A New Wave Of Safety Gear In Sport

Seashell-Inspired Material leading A New Wave Of Safety Gear In Sport

Picture source: Andy Alderson

Highlight: “Sheffield Hallam University has been developing improved materials for impact protection in sports. The materials have the fascinating and unusual auxetic property (i.e they expend instead of contracting under shock) that can be used in helmets, pads, guards, gloves, mats and barriers…the inspiration for the current work on auxetic materials for improved impact protection equipment in sports comes from the ultimate natural armour protection system: the humble seashell.”

Insight: Some species in the animal kingdom have highly adapted exoskeletons that not only support their structure but also act as a protective armour against the elements and predators. The combination of light weight and strength are two aspects commonly found in species skeleton structures. The properties in certain species structures (down to the molecular level) such as shrimp shells or oysters  have already led to practical innovations in sectors such as aerospace or construction where the strength/weight ratio of materials is a rising challenge. It is likely that the inspirations for future structures and materials will be found within species…

More information: here

What is Biomimetics: the field of gaining inspiration from nature first to solve some of our most difficult challenges. Instead of coming up with our own solutions to a problematic, the odds are that species on the planet already offer an ultimate solution. This simple fact is also another strong case to preserve species at all cost as the intellectual heritage contained within or through the study of species is both irreplaceable and invaluable…


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