Portland Public Schools is trying to close the algebra access gap. Early evidence suggests it’s working

The seventh graders in Maddie Hines’ project-based math class in North Portland are learning all about how to run sophisticated experiments where they come up with a hypothesis, test it out using the ...
IEEE

3-D-Printed mm-Wave Filtering Magnetoelectric Dipole Antenna With Wide Beamwidth and Its Application in High-Isolation E-Plane Phased Arrays

Abstract: In this article, a 3-D-printed filtering magnetoelectric (ME) dipole antenna with wide beamwidth and its high-isolation E-plane phased arrays for mm-wave applications are presented. This ...
IEEE

3-D Printed Metallic Dual-Polarized Vivaldi Arrays on Square and Triangular Lattices

Abstract: We report the first Vivaldi arrays monolithically fabricated exclusively using commercial, low-cost, 3-D metal printing (direct metal laser sintering [DMLS]). Furthermore, we developed one ...