This paper considers the progress made in E-textiles within knitted textiles and discusses what 'Project Jacquard' and the debut of the woven Levi's Commuter X Jacquard by Google jacket helps reveal about the relationship between E-textiles and textiles manufacturing. The paper considers research conducted within the fields of Art, Design and Technology, along with materials with interesting and novel properties that have been integrated into knitted textiles by practitioners and researchers. Such materials can embellish or enhance knitted fabric, from creating additional visual interest to practical functions. However, due to the physical properties of these types of materials, not all materials can be knitted into the fabric with ease; the optimal machine settings and techniques must be determined. Adapting to the physical characteristics of these innovative materials is a logical design requirement of the prototype development process but when we look to adopt the same principles as 'Project Jacquard'; manufacturing knitted E-textiles to scale, the challenges of the material/machinery relationship become more of an issue. This raises the question as to whether it is better to develop the material for better textiles integration, or to optimize the production process to suit the material.
Oxygen is the dominant impurity in pulled silicon. At 450 °C, thermal donors form in oxygen rich silicon. Using deep level transient spectroscopy, this donor is found to have an energy level of 0.142 eV below the conduction band at zero electric field, exhibiting behavior consistent with the Poole–Frenkel field assisted electron emission process. Using deep level transient spectroscopy in conjunction with calibrated uniaxial stress, we have determined the symmetry of the neutral 450 °C oxygen donor complex to be D2d. Possible models for the oxygen donor complex are presented which are consistent with the observed symmetry and with previous experiments.
The purpose of this study was to explore the influence of environmental colour on people’s lateral and logical abilities. This was done by evaluating study participants’ response time and error rate when completing six types of psychometric tests that were performed in various hue backgrounds on a computer. To maximise the colour stimulation provided by the monitor, the experiment was carried out in a dark laboratory. Analysis of participants’ response time and error rate showed that different colours could significantly influence arousal and impulsiveness, which suggests that colour has indirect impacts on cognitive abilities. Further analysis revealed that different colours had various effects depending on the type of psychometric test given. These findings suggest that future research on environmental design should consider how to effectively use colour to impact people’s performance and behaviour.
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