Re: [agi] First issue of H+ magazine ... http://hplusmagazine.com/

2008-10-17 Thread Bob Mottram
2008/10/17 Ben Goertzel [EMAIL PROTECTED]:

 Including a brief article by me about open-source robotics, that I wrote
 back in April...


Open source robotics may eventually occur, but I think it will require
some common and relatively affordable platforms.  It becomes much
easier to usefully share code when you're dealing with the same
hardware (or at least compatible hardware).

The hardware requirements are not spectacular.  Really all that's
needed is a PC on wheels with some minimal motion control electronics,
but unfortunately no such system is available today at a reasonable
cost (say, less than $1500) which can be bought off the shelf by an
interested amateur (as per the home computers of the 1980s).  I am
hopeful though that such a common platform will eventually emerge, but
for people like me it has been a long wait with a few false dawns.

As for the iCub, although this is open source this is also a
complicated and expensive system.  Only a few priviliged individuals
will ever get to work with this machinery, and so the economies of
scale which characterise the open source movement probably won't apply
here unless a hardware abstraction layer is ruthlessly enforced.


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agi
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Re: [agi] First issue of H+ magazine ... http://hplusmagazine.com/

2008-10-17 Thread Bryan Bishop
On Fri, Oct 17, 2008 at 4:10 AM, Bob Mottram [EMAIL PROTECTED] wrote:
 Open source robotics may eventually occur, but I think it will require
 some common and relatively affordable platforms.  It becomes much
 easier to usefully share code when you're dealing with the same
 hardware (or at least compatible hardware).

Bob, it's already happening behind your back, and I'm not talking
about iCub. While platform standardization is important, there's other
things that you can do like write cross-platform compatible
applications and compilers, or working on rounding up all of the GPLed
source files that are scattered across the web for software that
people have released but nobody has ever really collected, and such.

- Bryan
http://heybryan.org/


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agi
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Re: [agi] First issue of H+ magazine ... http://hplusmagazine.com/

2008-10-17 Thread Bob Mottram
2008/10/17 Bryan Bishop [EMAIL PROTECTED]:
 Bob, it's already happening behind your back, and I'm not talking
 about iCub. While platform standardization is important, there's other
 things that you can do like write cross-platform compatible
 applications and compilers, or working on rounding up all of the GPLed
 source files that are scattered across the web for software that
 people have released but nobody has ever really collected, and such.



Cross platform code is not really a major issue.  The basic problem is
that if I expend a lot of time and effort developing a super
manipulation program for a robot arm can someone else then take that
code and reuse it, without needing to make a prohibitive number of
changes or necessarily understanding the algorithms in detail.  If the
answer to this is yes then open source robotics is really possible.

The history of robotics, certainly in the industrial realm, is one of
multiple proprietary and mutually incompatible systems, with very
little in the way of code reuse.  Imagine if every time you bought a
new PC you had to manually write an operating system for it yourself
before you could begin doing anything useful.  Something similar to
this has been the situation with robotics for most of its (admittedly
brief) history.

I am optimistic that things will change though.  As always, the
price/performance ratio resulting from Moore's law predicts that a
real open source movement in robotics will become possible some time
soon.  A few years ago it almost looked as if a company called White
Box was about to produce a decent PC based robot for around $1000,
but after delays and redesigns the eventual product turned out to be
$5000-8000, effectively squashing the chance of it becoming a common
platform.  Still, I think some company will eventually succeed in
producing a mass market PC based robot.


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RE: [agi] First issue of H+ magazine ... http://hplusmagazine.com/

2008-10-17 Thread John G. Rose
This is cool it's kind of like a combo of Omni, a desktop publishing fanzine
with 3DSMax cover page, and randomly gathered techno tidbits all
encapsulated in a secure PDF.

The skin phone is neat and the super imposition eye contact lens by U-Dub
has value. I wonder where they got that idea from, superimposition glasses
may be easier to interface with, I mean how do you get a wireless processor
and antennae into the lens?

John



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agi
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