The authors present Biodegradable Interactive Materials (IMs), which are backyard-compostable interactive interfaces that leverage information encoded in material properties. Inspired by natural systems, the authors propose an architecture that programmatically encodes multidimensional information into materials themselves and combines them with wearable devices that extend human senses to perceive the embedded data.
The authors combine unrefined biological matter from plants and algae like chlorella with natural minerals like graphite and magnetite to produce materials with varying electrical, magnetic, and surface properties. They perform in-depth analysis using physics models, computational simulations, and real-world experiments to characterize the information density and develop decoding methods.
The passive, chip-less IMs can robustly encode 12 bits of information, equivalent to 4096 unique classes. The authors develop wearable device prototypes that can decode this information during touch interactions using off-the-shelf sensors. They demonstrate sample applications such as customized buttons, tactile maps, and interactive surfaces. The authors further demonstrate the natural degradation of these IMs in outdoor soil within 21 days and perform a comparative environmental analysis to highlight the benefits of this approach.
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by Zhihan Zhang... lúc arxiv.org 04-05-2024
https://arxiv.org/pdf/2404.03130.pdfYêu cầu sâu hơn