Watch SpaceX’s Grasshopper vehicle “hop” 820 feet into the air
In its latest trial run, SpaceX’s Grasshopper spacecraft soared to a height of 820 feet, hovered, then lowered itself back to Earth, alighting gracefully on the landing pad from whence it launched. The Grasshopper is a 10-story tall Vertical Takeoff Vertical Landing (VTVL) rocket; it lifts things up, and it sets things back on the…