What people are saying - Write a review
We haven't found any reviews in the usual places.
THE RIDDLE OF TIME
MANMADE CLOCKS AND WATCHES
5 other sections not shown
Other editions - View all
accuracy accurate airplane ammonia ammonia molecule antenna astronomical atomic clocks balance wheel balls beam better clocks broadcast calculus cesium atom Chapter count crystal crystal oscillator cycles daylight-saving decay determined device discussed distance earth electric electronic emitted energy example formula frequency information frequency standard frequency technology gravitational high-Q resonator hydrogen interval ionosphere JOHNNY HART keep track kilometers kind leap second length light Loran-C machine mathematical mean solar measure mechanical meters microseconds million minutes motion moving Newton observations operation oscillator particles pendulum plane precise problem pulse quantum quantum mechanics quartz quartz-crystal quency radar radio signal resonance curve resonant frequency rotation rubidium satellite scale scientists shortwave sine waves solar day space speed stability star stations swings synchronized tachyons telescope theory ticks timekeeping tion tube users vibrations watch water clock WIZARD OF ID WWVH