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Thin wideband absorber with optimal thickness

The known methods for designing nonmagnetic absorbers usually aim for either the reduction of total thickness or increase of absorption bandwidth by sacrificing the other parameter. The conventional circuit analog absorbers aim for large bandwidths whereas the newly proposed meta-material or optimized geometry designs try to reduce the thickness of the absorber. By the aid of the capacitive circui

Spatial Representation and Haptic Mental Rotation

In this paper it is argued that it is legitimate to talk about mental imagery, and thus, to claim that spatial information is coded in an analogue mode. Evidence from research with blind people indicate that they can perform mental rotation and that analogue spatial cognition does not depend on visual information. It is therefore proposed that, if the blind can perform mental rotation in an analog

The GABAA Receptor as Target for Novel Heterocyclic Compounds

Ligands for the benzodiazepine-binding site of the GABAA receptor can belong to structurally diverse classes of compounds including, in spite of the name of the binding site, many non-benzodiazepine structures. The GABAA receptor is a ligand-gated ion channel assembled of five subunits from eight different classes with multiple isoforms. The physiological effect elicited by benzodiazepines is beli

Tooth Deviations of an Involute Helical Gear Manufactured in a Simulated Hobbing Process with Introduced Errors

External involute helical gears are usually manufactured through hobbing, commonly with a subsequent grinding or skiving operation. One way towards the industrial pursuit of more competitive and sustainable manufacturing is to reduce the number of processes, while retaining functionality and quality. In the hobbing of gears, the manufacturing errors are most often connected to the tool and/or the