A former NASA scientist claims to have developed a propulsion system that defies gravity without propellant, challenging the ...

As space junk continues to multiply around our planet, threatening satellites and space missions, a new breakthrough proposes ...

Abstract: The environment near the surface of asteroids, comets, and the Moon is electrically charged due to the Sun's photoelectric bombardment and lofting dust, which follows the Sun illumination as ...

Abstract: To assess the reliability of GaN power transistors, off-state leakage characteristic is measured for Schottky p-GaN gate HEMTs under negative gate biases. It is found that the drain leakage ...