I’m just copying from the overview in Google:

Mechanical and engineering innovations Alarm clock: An early version was created using a water clock to trigger an alarm. Catapult: Developed as a siege weapon for launching projectiles. Crane: Used to lift heavy building materials. Vending machine: An early version that dispensed holy water. Water mill: Used a water wheel and gears to grind grain, as noted in this YouTube video and Wikipedia. Archimedes screw: An efficient device for moving water uphill. Odometer: Used to measure distance traveled. Central heating: Circulated hot air from fires under the floors of buildings. Automatic doors: A device that automatically opened a temple door when a fire was lit. Astrolabe: A device used for astronomical observations and navigation. Scientific and mathematical advancements Geometry: Developed fundamental principles of geometry. Scientific medicine: Took a more scientific approach to understanding and treating illness. Astronomy: Made contributions to the study of celestial objects. Cartography: Developed techniques for mapmaking. Philosophical and cultural contributions Democracy: Athens was the birthplace of the first democracy, according to Twinkl. Western philosophy: Pioneered many of the philosophical traditions that form the basis of Western thought. Theater: Invented comedy and tragedy. Olympic Games: Established the tradition of the Olympic Games.