Alt-BEAM Archive

Message #08296



To: alt-beam@egroups.com
From: TurtleTek@aol.com
Date: Wed, 15 Dec 1999 20:30:59 EST
Subject: [alt-beam] Re: Active Surplus


"www.activesurplus.com"

Is it just me or does this site contain nearly no information about the
electrical components they sell?
All I get is this:
"Active Surplus has everything you need when it comes to electronic and
electrical parts."

...What's with this?

-Brien the TurtleTek



8297 Wed, 15 Dec 1999 17:49:29 PST [alt-beam] Re: Regarding Solar heads, such as Solarbotics model, and The tildens laws of beam@sgiblab.sgi.com "Timothy Flytcher" so your saying our bots should act more like bacteria??? I always thought of
them as mice, or frogs... move then pause... never staying in one place for
long...

>Yeh, but if your light pool is 'good enough' there isn't any reason to
>leave. While humans may think so, that's just because we aren't threatened.
>Bacteria which leaves it's survivable conditions may very well just die.
>Leaving what is already enough is dagerous for simple organisms. In this
>case, bots. They should stay where it's brightest. I think anyway.
>
>dennison
>
>-----Original Message-----
>From: owner-beam@sgiblab.sgi.com [mailto:owner-beam@sgiblab.sgi.com]On
>Behalf Of Elmo
>Sent: Wednesday, December 15, 1999 5:55 PM
>To: beam@sgiblab.sgi.com
>Subject: Re: Regarding Solar heads, such as Solarbotics model, and The
>tildens laws of robotics.
>
>
>Remember that light (measured in Lux) will drop about a factor of four,
>for every foot(?? or metre....i cant quite remember) you move away from
>the source. So whilst one photopopper might "think" it is in the
>brightest light pool in a given area, there may be another light pool in
>a near by area that is brighter at its source but just appears less
>intense due to its distance from this bot.
>
>
>Elmo
>
>
>
>
>Thomas Pilgaard Nielsen wrote:
> >
> > I am by no means an expert in electronics or BEAM robotics for that
> > matter. However, your mail had me wondering.
> >
> > Wouldn't it be the case that for - say a photopopper - it would
> > constantly evaluate the current situation regarding where to find the
> > brightest source of light? So I'm having trouble seeing when a situation
> > would occur where a bot - a popper or a head for that matter - would
> > lock on to a source of light that was not the brightest available?
> >
> > Cheers,
> >
> > Thomas
> >
> > --
> > ---
> > "Stjålne tusser skriver bedst."
> > Yvonne Miller
>
>

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8298 Thu, 16 Dec 1999 04:57:34 GMT [alt-beam] Re: Regarding Solar heads, such as Solarbotics model, and The tildens laws of alt-beam@egroups.com "Steve M" When the photovore finally finds the optimum light pool, it should stop and
carry out another task. I don't know, like chirping as was already said or
flashing a LED, or something. They need a purpose of some sort! It doesn't
make sense to find a really bright light, then leave and get stuck in a
shadow later. It's just not good evolutionary sense.
Steve
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