Roman, Egyptian, and Chinese civilizations had many different ingenious inventions. Chocolate was a big aphrodisiac for Mesoamerican civilizations and used for energy. The first earthquake detector is ...

Few weapons in the annals of military history have left as indelible a mark as the trebuchet. A masterpiece of engineering and ingenuity, this formidable siege engine has witnessed the rise and fall ...

Ancient China began as a group of isolated communities during the Stone Age and eventually grew into a formidable empire. Ancient Chinese people developed their own writing system and several famous ...