Water fountains have two holes that water comes out of. After about 1/2 an inch, the two streams meet and continue to your open mouth. Why do they have two openings, rather than one? Why is the smaller stream on top?
Water fountains have two holes that water comes out of. After about 1/2 an inch, the two streams meet and continue to your open mouth. Why do they have two openings, rather than one? Why is the smaller stream on top?