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.
Interesting Facts about the Greek City-State. 1  People living in Ancient Greece did not think of themselves as Greek, but as citizens of their city-state. 2  The Michigan State University mascot is the Spartan. 3  Many of these cities, such as Rhodes, Thebes, and Corinth were also important cities during the Roman Empire.