Re: [Phys-L] coffee

[Daniel MacIsaac <danmacisaac@gmail.com>]

Google 
spillnot
for videos, and a $10-15 product, eg from Amazon or Arbor Scientific etc
kind a steadycam like thing much smaller than the waiter’s tray

Dan M

Dr. Dan MacIsaac, Associate Professor of Physics & AAPT Fellow
Interim Chair, Department of Earth Sciences and Science Education
SUNY-Buffalo State College, SAMC160, 1300 Elmwood Ave, Buffalo
NY 14222  +1-716-878-3802 (vm) <macisadl@buffalostate.edu>

> On Jan 31, 2020, at 11:56, Paul Nord <Paul.Nord@valpo.edu> wrote:
>
> Anthony,
>
> The arm holding the cup has the remarkable ability to act as a shock
> absorber for the rest of the body and minimize the motion to the cup.  I
> find that it helps when you watch the cup carefully.  If it starts
> sloshing, you can adjust.
>
> With practice, you can be almost as good as a chicken:
> https://www.youtube.com/watch?v=L9jhWTrv9rY
>
> Paul
>
>
> On Fri, Jan 31, 2020 at 9:57 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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