Tim Cook nous apporta ses lumieres en ce 2005-12-11 21:58:
> dlm wrote:
> 
>> "Jörg 'Yadgar' Bleimann" <yaz### [at] gmxde> wrote in message 
>> news:439c1340$1@news.povray.org...
>>
>>
>> Those spiky things are called jacks and are a child's game.
>> The idea is to spin them on a point or toss them while bouncing a ball 
>> or such.
>> The problem is that four (not three) equatorial points should have the 
>> little spherical protrusions.
>> See e.g. http://www.blog.speculist.com/archives/jacks.jpeg
>> So with jacks and jack-in-a-box all you need is a jack-o-lantern to 
>> get really scary.
> 
> 
> Nah, they're really caltrops.  ;)
> 
Caltrops have all sharp points, usualy 4 of them, so that one is guaranteed to point
up. A nasty 
variation hace barbed points so that you hurt yourself some more removing them...
OUCH!

-- 
Alain
-------------------------------------------------
'hAS ANYONE SEEN MY cAPSLOCK KEY?'

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