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Seeing how cleanly water rolls off a lotus leaf impressed me (and was a
refreshing real thing for a subject that tends to be explained with models
and abstractions).

Katherine Ziff



On Mon, Feb 28, 2011 at 11:29 AM, Luke Donev <[log in to unmask]>wrote:

> ISEN-ASTC-L is a service of the Association of Science-Technology Centers
> Incorporated, a worldwide network of science museums and related
> institutions.
>
> *****************************************************************************
>
> Hi Glen,
>
> If you're not familiar with it, I suggest poking around the Nanoscale
> Informal Science Education Network (NISENet) website:
> http://www.nisenet.org
>
> My personal favorites are things that drive home the idea of surface
> area ratio as a function of size. There are a host of these that don't
> go to the nanoscale, but illustrate the concept. For instance, if you
> have a pile of flour, it won't ignite even if you heat it with a propane
> torch. If you make an aerosol suspension of the flour, you can get the
> cloud of flour to ignite into a fireball. Is it nano? Not really, the
> particles aren't that small. Does it illustrate surface area and
> reactivity? Yes, which is why I like it (or the corresponding isopropyl
> alcohol burning in a crucible versus flammable cloud demonstration) as a
> hook to talk about surface area and reactivity.
>
> What's the age range you're shooting for, or ideas you're trying to get
> across? Are you looking for facilitated activities, programs, or
> stand-alone interactive exhibits? Feel free to e-mail me (or the
> international hub coordinator for NISE Net) if you want to talk more.
>
> LUKE 'DOC' DONEV, PH.D.
> Educator - Applied Science Lead | Museum of Nature & Science
> p 972.201.0615 | [log in to unmask]
>
> -----Original Message-----
>
> *****************************************************
>
> What are your favorite nanotech interactives?
>
> Thanks!
> Glen
> Science Centre
> Wollongong
> Australia
> [log in to unmask]
> Sent via BlackBerry(r) from Telstra
>
> *****************************************************
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