3 Things Roblox Must Get Right to Become a Profitable Company

Roblox has no trouble attracting players, but profitability is another story. With steep losses and a premium valuation, ...
IEEE

Compact 2-D Passive Beam-Scanning Multibeam Antenna Based on Rotman Lens and Mechanical Sweeping Phase Gradient Metasurface

Abstract: A compact multibeam antenna is proposed with passive 2-D beam scanning capability. The antenna is composed of a Rotman lens beamformer, a slotted waveguide array (SWA), and a mechanical ...