Abstract: Earth-based radar (EBR) is an important type of remote sensing instrument for planetary observation. EBR takes advantages in large-scale imaging swath, high repeatability, great flexibility, ...

This project utilizes an Arduino Uno CH340G development board paired with a DHT11 temperature and humidity sensor to create a compact yet capable environmental monitoring system. It measures ambient ...

Copyright 2026 The Associated Press. All Rights Reserved. Copyright 2026 The Associated Press. All Rights Reserved. New York Attorney General Letitia James speaks ...

On January 10, 1946, scientists at Camp Evans successfully bounced a radar signal off the moon. Known as Project Diana, the experiment proved that the Earth's ionosphere could be pierced. An ...