Le 2015-08-17 23:38, Stephen a écrit :
> On 8/18/2015 1:17 AM, clipka wrote:
>> Well, I didn't know such a thing existed... yup, that's a particle
>> *de*-celerator:
>>
>> http://home.web.cern.ch/about/accelerators/antiproton-decelerator
>
> Interesting article. But I was taught that there is no such thing as
> deceleration only negative acceleration.
>

It's an anti-proton, so it does everything backwards.  When it goes 
faster it's negative deceleration.

;)
-- 
/*Francois Labreque*/#local a=x+y;#local b=x+a;#local c=a+b;#macro P(F//
/*    flabreque    */L)polygon{5,F,F+z,L+z,L,F pigment{rgb 9}}#end union
/*        @        */{P(0,a)P(a,b)P(b,c)P(2*a,2*b)P(2*b,b+c)P(b+c,<2,3>)
/*   gmail.com     */}camera{orthographic location<6,1.25,-6>look_at a }

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