I Drove the 2026 Polestar 4 on a Frozen Race Track: An Honest Review from Quebec’s Circuit Mécaglisse

I pushed the 2026 Polestar 4 to its limits on Quebec's legendary Circuit Mécaglisse ice track. Here's how Sweden's electric SUV contends when grip vanishes, and winter takes control.
IEEE

Investigation of Fluid and Thermal Analysis in the Interaction Circuit for Ka-Band Sheet Beam Traveling Wave Tube

Abstract: Achieving perfect sheet beam transmission through the interaction circuit remains a critical challenge in the sheet beam traveling wave tube (SB-TWT). Particle-in-cell (PIC) simulations ...