Newsgroups: sci.engr.mech, sci.physics, sci.engr, sci.math
From: "Spaceman" <space...@yourclockmalfunctioned.duh>
Date: Sat, 2 Aug 2008 10:15:28 -0400
Local: Sat, Aug 2 2008 10:15 am
Subject: Re: A puzzling issue: object with 8 degrees of freedom
Greg Neill wrote:Poor Greg, does not understand I was simply stating that
> "Spaceman" <space...@yourclockmalfunctioned.duh> wrote in message
>> john_m_stan...@yahoo.co.uk wrote:
>>> A friend and I are having a bet. He states that there must be
>>> objects or mechanisms with 8 degrees of freedom
>>> (not counting translation} which
>>> have 3-fold symmetry (at least in some
>>> configurations). But we cannot find any.
>>> He is thinking of objects like a deformable cubus with corners
>>> I brought up the idea of a tetrahedral skeleton,
>>> On the other hand, I am not able to prove
>>> Is there another solution? Where can one look for such
>>> Thanks in advance!
>> Hi John,
> In his first paragraph John specifically discounted
discounting translational degrees of freedom is simply wrong.
But of course, you live in rubber ruler world where everything
is wrong so you think all that crap is right even if it is wrong.
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