Great fleas have little fleas upon their backs to bite ’em,
And little fleas have lesser fleas, and so ad infinitum.

So, naturalists observe,
a flea Has smaller fleas that on him prey;
And these have smaller still to bite 'em,
And so proceed ad infinitum.
Thus every poet in his kind
Is bit by him that comes behind.

Big whorls have little whorls,
That feed on their velocity;
And little whorls have lesser whorls,
And so on to viscosity
(in the molecular sense).

What little I know about HW engineering
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Large buffers need short buffers
to match respective rates.
Short buffers need shorter ones,
until you run out of gates.

You will never be able to run out of Gates