Time telling
There are 3 basic ways of telling time. a) rotational : rotation of the earth b) dynamic: motion of the moon and planets c) atomic: oscillation within atoms.
Telling facts and facts about tellings.
2 facts on this shelf
There are 3 basic ways of telling time. a) rotational : rotation of the earth b) dynamic: motion of the moon and planets c) atomic: oscillation within atoms.
The first compasses were made in ancient China from lodestone, a naturally magnetic rock, and were used for fortune-telling and feng shui before navigation.