[Squeakland] the concept of mass

[Alan Kay]

But consider this Etoy (run in the OLPC version of Etoys) and also 
take a look at Takashi Yamamiya's site and work over the last few years.

Cheers,

Alan

------------

At 04:33 PM 5/9/2007, Paulo Drummond wrote:
>Great!
>
>A huge work to be done (if in Squeak) but it can be fun..;-)
>
>thanks for the link.
>
>cheers,
>Paulo
>
>On May 9, 2007, at 5:04 PM, subbukk wrote:
>
> > On Tuesday 08 May 2007 9:11 pm, Paulo Drummond wrote:
> >> Hi all,
> >>
> >> Following "Powerful Ideas..." - the great book by Kim & BJ, I'm
> >> trying to introduce the concept of mass (or weight, for simplicity of
> >> kid's undestanding), to enhance a project about pendula and energy.
> >>
> >> Any ideas?
> > Excellent idea. This would allow kids to simulate planets, satellites,
> > collisions and so on.
> >
> > Sodaconstructor  (http://www.sodaplay.com) uses just three objects
> > - mass
> > (fixed or free), a spring (a stretchable line connecting two
> > masses) and a
> > muscle (line connecting masses that stretches and shrinks
> > periodically) - and
> > then four controls - gravity, friction, elasticity and an
> > activation wave for
> > a muscle - to create very interesting "creatures". Be warned, this
> > is very
> > addictive :-).
> >
> > Regards .. Subbu
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> >
>
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