Astronomy on MSN

Jan. 10, 1946: The US bounces a radar wave off the moon

Charged with determining if the ionosphere could be penetrated by radar, Lt. Col. John DeWitt of the Army Signal Corps ...
IEEE

Series-Fed Electromagnetically Coupled mm-Wave Arrays for Network Enhancement in Low 5G Signal Areas

Abstract: This paper presents a series-fed electromagnetically coupled mm-wave array antenna is designed for 5G network enhancement in areas with low signal coverage. The antenna features a two-layer ...
IEEE

Compact 2-D SIW Leaky-Wave Antenna Based on Double T-Junction Impedance Matching for High-Gain Broadside Radiation

Abstract: This letter presents a novel compact 2-D substrate integrated waveguide (SIW) leaky-wave antenna (LWA) array design for high-gain broadside radiation. By connecting a 1-D transverse-slot SIW ...
Archaeology

Java's Megalithic Mountain

The megalithic site of Gunung Padang in the highlands of western Java was constructed some 2,000 years ago over the course of several generations. Similar stone monuments are found across the ...