Police RADAR. RADAR speed detectors bounce microwave radiation off of moving vehicles and detect the reflected waves. These waves are shifted in frequency by the Doppler effect, and the beat frequency between the directed and reflected waves provides a measure of the vehicle speed.
The ancient Greeks lived in Greece. The normal house was a courtyard with rooms around it. Most Greeks lived near the Eastern Mediterranean sea and in southern Europe. Some citys they lived in are Athens, Sparta, and Crete.They inspired many cultures from their beliefs.ost Greeks lived near the Eastern Mediterranean sea and in southern Europe. Some citys they lived in are Athens, Sparta, and Crete. They inspired many cultures from their beliefs.
Facts about Ancient Greece. 1  Athens is one of the oldest cities in Europe. 2  One of the most famous Greek Temples is the Parthenon. 3  In 1453 A.D Greece fell to the Turkish Ottoman Empire. 4  There are many Ancient Greeks who have been credited with inventing mathematical concepts that are used today.