Re: [Phys-L] coffee

[Roger Key <rogerk@csufresno.edu>]

Perhaps this is similar to the "swinging tray" from this posting?

https://www.wired.com/2016/09/physics-love-james-bond-cocktail-tricks/


Roger Key
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------------------------------


On Fri, Jan 31, 2020 at 8:41 AM Strickert, Rick <
rstrickert@signaturescience.com> wrote:

> ... or one could use a coffee cup with a lid.    That solves the problem
> of resonance and bumping into someone around the corner.
>
> Rick Strickert
> Austin, TX
>
> -----Original Message-----
> From: Phys-l <phys-l-bounces@mail.phys-l.org> On Behalf Of Ron Mcdermott
> via Phys-l
> Sent: Friday, January 31, 2020 10:38 AM
> To: Phys-L@phys-l.org
> Cc: Ron Mcdermott <rmcder@gmail.com>; phys-l@mail.phys-l.org
> Subject: Re: [Phys-L] coffee
>
> I would think the primary thing would be to alter cadence so you are not
> setting up a resonance.
>
> Sent from my iPhone
>
> > On Jan 31, 2020, at 10:57 AM, Anthony Lapinski <alapinski@pds.org>
> 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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