When lost in the wilderness, a compass can help you find your direction.
Tips
history
The Chinese compass originally pointed south (指南), not north. The earliest form, the 司南 (sīnán), dates back to the Han Dynasty and used a lodestone spoon on a bronze plate.
culture
The compass (指南针) is one of China's Four Great Inventions (四大发明), along with papermaking, printing, and gunpowder.
