The V3 and its ancestral prototypes were taken seriously ... But there’s no evidence this experimental jet, still strangely intriguing after all these years, ever got off the ground.

Named iRonCub, the humanoid is equipped with four compact jet engines, which gives it the ... built on the iCub v2.5 and v3.0 platforms. iCub is a research-grade humanoid robot, created by IIT ...