The Encyclopedia Astronautica is a reference web site on space travel. A comprehensive catalog of vehicles, technology, astronauts, and flights, it includes information from most countries that have had an active rocket research program, from Robert Goddard to the NASASpace shuttle to the Soviet shuttle Buran.
It is maintained by space enthusiast Mark Wade, who has been collecting such information for most of his life.
... 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 with a ...