Howard Hoxie writes:

> Those of you that may remember your college chemistry or physics labs
> (my recollections always tend to morph into something else) may recall
> using the momentum of running water to create a vacuum in an attached
> secondary tube. Perhaps our friend Wirt can explain?

When it comes to aerodynamics, the first thing you immediately think of is
Italy, of course, and their famous aerodynamicists: Venturi, Bernoulli, and

In this case, Howard's effect is called the Venturi Effect:

Wirt Atmar

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