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Re: [Phys-L] coffee

For even more dangerous coffee related observations, watch the
standing waves on the coffee surface in your cup in a cup holder
while driving at different speeds. Caffeine is so much fun.

Though real coffee fanatics people sit down and focus on savoring
the experience without distraction or traveling or meetings etc.

Dan M, sometimes a foodie

On Jan 31, 2020, at 10:57, Anthony Lapinski <> wrote:

Now that I have your attention!

I see faculty walking past my room with their coffees every morning. Is
there an optimal walking frequency (speed) to minimize the liquid from
sloshing back and forth and spilling over? I imagine this depends on the
leg length, diameter of cup, depth of cup, etc.

P.S. I've never had coffee, but I'm curious about this sloshing phenomenon.



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