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Avatar Appearance in Computer Supported Learning

In a pilot study, young people were to choose an avatar for use in an educational application. The avatars came in two different visual styles – a “naturalistic” versus. a “stylized” version. The result is discussed in a pedagogical context with respect to similarity in appearance between student and avatar.

The effect of microstructure and nonlinear stress on anisotropic seismic velocities

Recent work in hydrocarbon reservoir monitoring has focused on developing coupled geomechanical/fluid-flow simulations to allow production-related geomechanical effects, such as compaction and subsidence, to be included in reservoir models. To predict realistic time-lapse seismic signatures, generation of appropriate elastic models from geomechanical output is required. These elastic models should

Layered space-time structure with statistical rate allocation

We propose a modified layered structure for multiple-input multiple-output (MIMO) systems, where the layer detection order is fixed and the data rate for each layer is allocated based on the detection order and channel statistics. With Gaussian approximation of layer capacities, we derive the optimum data rate allocation and the amount of backoff from mean layer capacity is proportional to the sta

Smog Chamber Experiments of SOA Formation from Gasoline Exhaust and Light Aromatics

Experiments where gasoline exhaust was exposed to UV-radiation to examine Secondary Organic Aerosol (SOA) formation were performed in a smog chamber. The Aerosol Mass Yield (formed SOA/reacted precursor mass) was determined and compared with the yield from a pure precursor experiment in the chamber and from results reported in literature. Preliminary results show that the majority of the organic a