Wind farms threaten bat populations. New research shows marine radar—originally for ships—can track bat flight paths over ...

Abstract: An electrically small (ES) dual-band, dual-polarized omnidirectional dipole antenna is presented. This design combines two dual-band ES antenna (ESA) cells arranged in a cross-perpendicular ...

Abstract: In this article, a high-gain millimeter-wave (mmW) slot antenna array is proposed based on a novel two-dimensional (2-D) epsilon-near-zero (ENZ) feeding network. This ENZ feeding network ...

As the US, China and others compete in space, the need for fast and frequent communication links with satellites orbiting ...

The asteroid, known as 2022 RD2, belongs to a rare class of space rocks called Arjunas. These objects travel around the sun ...

NASA unveiled close-up pictures on Wednesday of the interstellar comet that's making a quick one-and-done tour of the solar ...

From 150-meter dives to sapphire-glass elegance - the Ultimate 2 brings extreme performance to everyday luxury ...

Home Assistant Connect ZBT-2 is a Zigbee, Thread, and Matter USB adapter based on Silicon Labs MG24 wireless SoC and designed ...

The magnetic loop antenna is a familiar sight in radio amateur circles as a means to pack a high performance HF antenna into ...