Eureka, that declaration someone exclaims when they discover something special, is a word that originated as sεὕρηκα (heúrēka), an ancient Greek word which means “I’ve found it!”. It is attributed to Archimedes, who uttered it when he first discovered the Archimedes principle.
Today we call Eureka the special instances when a significant discovery is made, those brilliant moments of absolutely certainty that something special has taken place.
Here’s an infographic from myprint247.co.uk that takes a look at the Eureka moments some of the most famous and influential inventors in history, such as the time when Velcro or the Post-It note was invented:
