Star Trek: The Undiscovered Country, released in theatres in 1991, marked the last of the Star Trek movies based solely on the original cast. In the plot of the movie, a historic Klingon peace initiative is nearly thwarted when Klingon chancellor Gorkon is assassinated, and Kirk and McCoy are accused of his murder.
... by a little generator embedded in the gyroscope.
The physics of this device looks confusing at first sight, but is surprisingly simple. It can easily be understood ...