Abstract: This article proposes a microwave near-field focus steerable imaging system operating at 22.5 GHz, built upon a space-time-coding metasurface antenna (STCMA), featuring real-time dynamic ...

A violent stellar disruption recorded in 2024 has given astronomers their most comprehensive evidence yet of a black hole twisting the very fabric of spacetime around itself. This effect is known as ...

Michaela 'Michi' Benthaus is an aerospace and mechatronics engineer at the ESA. Blue Origin will make history when it sends the first person who uses a wheelchair past the Kármán line, an ...

ENSURING AMERICAN SPACE SUPERIORITY: Today, President Donald J. Trump signed an Executive Order that sets a bold vision for an America First space policy, ensuring the United States leads the world in ...

Section 1. Purpose. Superiority in space is a measure of national vision and willpower, and the technologies Americans develop to achieve it contribute substantially to the Nation’s strength, security ...

Abstract: Based on the fractal theory, a Minkowski-like broadband capsule antenna is proposed in this paper. The proposed capsule antenna measures 31.69 mm x 15.0 mm and is fabricated on Rogers ...