A simulation of a NYC Transit Authority train traveling by automatic signals with working stop arms. Working circuit drawings show how the signal system relays function while the train passes over track circuits.
Moon Phase Calculator is simple and easy to use tool that allows you to calculate the phase of the Moon for any time in the past or future and to search for the next or previous full moon, new moon or first or last quarter.
The Daily Horoscope is based on 12 Zodiac signs which are known as sun sign analysis. There is much more to astrology than mere sun sign horoscopes. Did you know that you can cast your personalized chart for FREE on Hello Darling Free Daily Horoscope