Prisms is a uniquely powerful tool that uses augmented and virtual reality to create immersive science and math learning experiences ... all as part of a package for classrooms and schools. The basic ...

NF_HTCH_EVA_Basic: A basic rectangular EVA hatch; NF_HTCH_IVA_Basic: A round IVA hatch, mounted, single-sided; NF_HTCH_IVA_2Sided: A round IVA hatch, with only the hatch; NF_HTCH_IVA_2SidedRing: A ...

We present a simple and accurate perturbation method for obtaining the propagation characteristics of anisotropic rectangular waveguides described by a diagonal dielectric constant tensor. Comparison ...