Category Design

Why traffic lights use red, yellow, and green

Before traffic lights existed, city streets were crowded with pedestrians, horse-drawn carriages, bicycles, streetcars, and an increasing number of automobiles. The solution to this growing chaos came from an unexpected source: the railways. Railway operators began using colored light signals…

The tearful origins of “maudlin”

Ever wondered how the name of a revered biblical figure came to describe someone who is overly emotional? The story behind maudlin is one of art, religion, language, and centuries of cultural memory. The word maudlin means excessively sentimental, tearfully…