The digits on the two ends of the airport runway indicate the compass azimuth, which helps the pilot guide the standard when taking off.
Surely Doraemon is an impressive character for the youngest, because this cat has a series
German scientists have recently discovered that birds can observe the Earth's magnetic field with their right eye, and rely on it for directions.
If you get lost in the countryside without a compass, don't be in a hurry. According to German scientists, you can determine the direction by observing the herds.
Yale University engineer Adam Spiers developed a directional box named Animotus. The device is built with 3D printing technology, wireless connection and acts as a tactile compass