The two word poem Fleas is arguably the shortest poem in the English language. How could a poem have fewer words?
I took the shortest way through the little park behind the palace.
The longest day is 15 hours and 33 minutes, the shortest 8 hours and 50 minutes.
He walked around the front row and squeezed down the shortest route.
Comments: There is no difference between the longest wavelength gamma rays and shortest wavelength X-rays (10 -11 m ).