Giant Pacific octopus. Credit: © pr2is / Fotolia
A new type of user-interactive electronic skin, with a color change perceptible to the human eye, has been achieved with a much-reduced level of strain. This could have applications in robotics, prosthetics and wearable technology. The ability of some animals, including chameleons, octopus, and squid, to change their skin colour for camouflage, temperature control, or communication is well known.
While science has been able to replicate these abilities with artificial skin, the colour changes are often only visible to the naked eye when the material is put under huge mechanical strain...
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