Anyone who's had to learn math or physics in school may have encountered pi at one point. More popularly known and written out in its Greek lowercase letter counterpart, π, it's essentially the ratio ...

The Greek alphabet, which has been in use since about 9 B.C., was the first to have letters for each vowel and consonant. In physics, why are only Greek letters such as delta, sigma, gamma, etc. used ...

War in Europe is a staple topic in the study of history, but there’s one major conflict most history books won’t teach you: the battle of the equal sign, =. These two parallel lines were, in fact, the ...