NASA has footage of its Mars Ingenuity helicopter flying and touchdown
Flying on Mars presents a serious problem. The Martian floor air density is simply about one p.c of Earth’s, making it tough for craft to provide the raise essential to…
Flying on Mars presents a serious problem. The Martian floor air density is simply about one p.c of Earth’s, making it tough for craft to provide the raise essential to…
Photograph: Sean Gallup (Getty Pictures) In lower than a 12 months, Ukraine’s army has emerged as a contemporary, efficient combating pressure largely attributable to an abundance of expertise supplied by…