Who were Ctesibius and hero?
Ctesibius’ writings have not survived, and his inventions are known only from references to them by Vitruvius and Hero of Alexandria, but he laid the foundations for the engineering tradition that culminated in the works of Hero of Alexandria and of Philo of Byzantium. Galileo Galilei. Why did Ctesibius invent the alarm clock? Ctesibius Made…