A multidisciplinary team from the Massachusetts Institute of Technology (MIT) has pioneered a groundbreaking textile innovation known as FibeRobo. This programmable and actuating fiber has the unique ability to dynamically change its shape in response to temperature fluctuations, positioning it as a game-changer for the textile industry. What sets FibeRobo apart is its distinctive feature – it doesn’t rely on embedded sensors or other rigid components. This quality ensures its seamless integration into traditional textile production methods such as weaving and embroidery.
To craft FibeRobo, the researchers harnessed a material called liquid crystal elastomer (LCE). When subjected to heat, the crystal molecules within the LCE material lose their alignment, causing the elastomer network to contract, resulting in the fiber’s shape change. Remarkably, it can self-reverse this process when the temperature returns to normal. Furthermore, when blended with conductive thread, FibeRobo offers the capability of digital control over the textile’s structure. This versatility extends its utility beyond clothing to encompass fabrics capable of responding to digital signals, including functions like monitoring heart rate readings. The innovation was featured in an MIT article titled ‘Shape-shifting Fiber can Produce Morphing Fabrics’ by Adam Zewe.
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