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Over the last million years, cyclical changes in Earth's orbital parameters have been responsible for climate fluctuations and ice ages that have shaped our landscape. Current climate change, on the other hand, is caused by human greenhouse gas emissions and the CO2 content in the atmosphere exceeds the maximum value of the last 800,000 years by far. This is the main cause of current global climate change, which will affect human beings, and the whole ecosystem far into the future.While public awareness of climate change has increased massively over the last years, many misconceptions are still widespread. In order to increase awareness about the human impact versus natural processes, we are designing an interactive «Ice Age Machine», which will be placed at popular vantage points in Switzerland from September 2023 onwards. These interactive stations will allow groups of users to actively experience past ice ages as well as the corresponding environmental changes thanks to an innovative design and new visualization techniques based on artificial intelligence. The visitors will learn about the history of glaciations in the Alps, the extreme impact of human being on climate and what the future effects could be. The users have the opportunity to retrieve a photo showing them in action at the station in front of the panoramic ice age view to share via social media. To increase the visibility of the machine beyond the vantage points, communication activities on site and in the digital space (website, social media) will accompany the project., The 28th IUGG General Assembly (IUGG2023) (Berlin 2023)

In general, concurrent augmented feedback has been shown to effectively enhance learning in complex motor tasks. However, to optimize technical systems that are intended to reinforce motor learning, a systematic evaluation of different augmented feedback designs is required. Until now, mainly visual augmented feedback has been applied to enhance learning of complex motor tasks. Since most complex motor tasks are mastered in response to information visually perceived, providing augmented concurrent feedback in a visual manner may overload the capacities of visual perception and cognitive processing. Thus, the aim of this work was to evaluate the practicability of auditory feedback designs supporting a three-dimensional rowing-type movement in comparison with visual feedback designs. We term a feedback design practical if the provided information can easily be perceived and interpreted, and immediately be used to support the movement. In a first experiment, it became evident that participants could interpret three-dimensional auditory feedback designs based on stereo balance, pitch, timbre, and/or volume. Eleven of 12 participants were able to follow the different target movements using auditory feedback designs as accurately as with a very abstract visual feedback design. Visual designs based on superposition of actual and target oar orientation led to the most accurate performance. Considering the first experimental results, the feedback designs were further developed and again evaluated. It became evident that a permanent visual display of the target trajectories could further enhance movement accuracy. Moreover, results indicated that the practicability of the auditory designs depends on the polarity of the mapping functions. In general, both visual and auditory concurrent feedback designs were practical to immediately support multidimensional movement. In a next step, the effectiveness to enhance motor learning will be systematically evaluated.