Primarily, the compass was used for geomancy for a long time before it was used for navigation Ancient Chinese alchemists realized that the magnetite ore would point towards a magnetic north. Their ...

A geology professor believed that aerial photos from the 1950s show evidence of an ancient city under Nakhon Ratchasima in Thailand. By viewing the landscape from above, researchers discovered a ...

The city played a key role in the history of this region for more than twelve centuries and is characterized by well-preserved structures providing a vivid picture of life in an ancient Maya capital.