Half a croissant, on a plate, with a sign in front of it saying '50c'

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De Selby's Domino Theory Apparatus
the feather that topples a 40 ton container
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Written in continuing honour of De Selby, (of Flann O'Brien's Third Policeman fame.)

A cigarette paper will balance on one edge if placed in nearly perfect conditions. Even the wind from a feather would knock it over.

The positioning of the paper needs to be absolutely immaculate, to prevent it from falling forward and toppling the banknote similarly placed beside it.

If this note falls, it will in turn knock down the postcard, and then the piece of plywood beside that.

Each of the objects assembled is marginally bigger and heavier than the one preceding it in the line, but is capable of being de-stabilised by the one before, due to its added momentum acquired in the act of falling over.

At the end of the line of gradually increasing objects is a shipping container, placed on one of its ends like a single domino.

In this way the wind from a single feather will, by a process of sequentiality, knock over a 40 ton container.


xenzag, Jan 22 2007

Honest! It wasn't my fault, guv! http://www.pbase.co...xgts/image/25136775
Look, I've told you time and time again: No, and I mean NO breathing on this job. Got it? [Ling, Jan 24 2007]

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       Ideally the chain of events would start with a single vagrant photon, in the infrared range.

bungston, Jan 23 2007
  

       Photons have zero mass, so they wouldn't transfer any momentum, but I thought of extending the idea in the direction of a single Higgs Boson. Those boson are heavy, but it would be too hard to control then, as they are far too unruly.

xenzag, Jan 23 2007
  

       Xenzag, You are right that photons have no mass, but they do have momentum, and can transfer it (although miniscule amounts per collision.)

molecat, Jan 23 2007
  

       Unruly Bosuns?   

       Arrr! Make 'em topple the plank!

m_Al_com, Jan 24 2007
  

       "Human existence being an hallucination containing in itself the secondary hallucinations of day and night (the latter an insanitary condition of the atmosphere due to accretions of black air) it ill becomes and man of sense to be concerned at the illusory approach of the supreme hallucination known as death."   

       DE SELBY

wagster, Jan 24 2007
  

       Kinda baked in the movie "Robots". There's a scene where Big Weld sets up thousands of dominoes, each fractionally bigger than the one before it, until a huge one, about the size of a 40 ton container, is toppled and the impact causes all the smaller dominoes to surge into a huge wave.

21 Quest, Jan 24 2007
  

       Yes, the domino scene. But variations are welcome.

django, Jan 24 2007
  

       Haven't seen Robots - but will watch out for it now.

xenzag, Jan 24 2007
  

       Would it be that in somesuch part of the process of tumbling, one of the earthwards travelling items or objects might or might not be a bicycle, velocipede or penny-farthing? By dad! That would be a thing!

wagster, Jan 26 2007
  
      
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