Abstract: A large-scale reconfigurable reflect-array antenna (RRA) with 2-bit phase resolution is reported here at the Ka-band. The unit cell is designed based on a segmented resonator with end ...

Re “How Can We Afford $27,000 a Year for Health Insurance?,” by Zack Cooper (Opinion guest essay, Dec. 13): In his essay on rising health care spending and the escalating costs of health insurance, Dr ...