The textile and clothing industry sector has today a big environmental impact, not only due to the consumption of water and the use of toxic chemicals but also due to the increasing levels of textile waste. One way to reduce the problem is to circularise the, currently linear, textile and clothing value chain, by using discarded clothes as raw material for the production of new clothes, transforming it into a model of circular economy. This way, while reducing the need to produce new raw materials (e.g. cotton), the problem of textile waste produced is also reduced, thus contributing to a more sustainable industry. In this article, we review the current approaches for traceability in the textile and clothing value chain, and study a set of technologies we deem essential for promoting the circular economy in this value chain – namely, the blockchain technology – for registering activities on traceable items through the value chain, and the Internet of Things (IoT) technology, for easily identifying the traceable items’ digital twins.
The digital transformation applied to museum's context is somehow usual nowadays, presenting many benefits to the visitors. However, most of the applications provide static and basic information that is not appealing nor promotes the involvement of the visitor in the tour. This paper proposes an architecture of a location-based content delivery inside a museum, based on a dynamic approach that promotes the visitor to immerse in the tour's story. The solution was created as a response to a real case study for the Foz Côa museum in Portugal. The proposed solution uses beacons, for the indoor location of visitors, and augmented reality for providing contents based on what the user is seeing, following a narrative that captures his attention at all times and providing artifact's details that the naked eye can not see. A comparative study was made to determine the properties and compare two augmented reality tools: Immersal AR and EasyAR. The precision of beacons detection, under different conditions and configurations, was also presented as preliminary results of this work.
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