Stauracius was a Byzantine Emperor and son of Nicephorus I. Paralyzed by a sword wound to his neck while fighting against the Bulgars[?] at the Vurbitsa[?] pass, he reigned for one month, before retiring to a monastery and dying five months later.
... generator 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 ...