article_snippet: The hybrid 'tail sitter' design has wings for fast forward flight, and rotors for hovering for delivery and vertical take-off and landing.
article_snippet: Dual mode operation gives the self-flying vehicle some of the benefits of both planes and helicopters.
article_snippet: It can take off or land without a runway, and can hold It position hovering in one spot to gently drop packages.
article_snippet: Packages are stored in the drone's 'belly' then dropped on a string before being gently lowered to the ground.
article_snippet: At the end of the tether, there's a little bundle of electronics the team call the 'egg,' which detects that the package has hit the ground, detaches from the delivery, and is pulled back up into the body of the vehicle.