Ildibad (or Heldebadus) (d. 541) was a king of the Ostrogoths in Italy, being chosen to replace Witiges[?], who had been engaged in complicated schemes with Belisarius and had left Ravenna. Ildibald reigned for only about a year before being killed by a Gepid[?] at a palace banquet, and was succeeded by his nephew Totila.
Ildibad was actually a Visigoth, a nephew of one of the Visigothic kings in Spain.
... embedded in the gyroscope.
The physics of this device looks confusing at first sight, but is surprisingly simple. It can easily be understood with a little knowledge ...