[Phys-L] Re: Looking for self-contained, active "Physics Challenges"

[anngeorg at PACBELL.NET (Bernard Cleyet)]

Formerly? available from my previously posted retailer was (is) batt.
powered discs w/ rubber bumpers.  (kick discs)

bc, who remembers gas driven one at Keele and show and tell one (person
carrying w/ necessary long cord) at a(n) NCNAAPT mtng.

p.s. temporary airport lounge building inflated by not much bigger than
shop vac. seen by bc.

Brian Whatcott wrote:

> The most popular/fun exhibit would be 2 or 3 air cushioned disks, driven
> by shop vacs on overhead tether/power lines.
>
> Some useful insights into low air pressure's lifting power,
> and vehicle inertia, momentum..
>
> Brian
>
>
> At 07:16 AM 10/7/2005, you wrote:
>
> > Hi,
> >
> > We're preparing for a department open house for the local community over
> > the next month. In addition to posters, the standard demos and a few
> > staged demonstrations, we're looking to have several "Physics Challenges"
> > around the building.
> cut