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By reason of the deviation of the Sun from the centre of gravity, the centripetal force does not always tend to that immobile centre, and hence the planets neither move exactly in ellipses nor revolve twice in the same orbit. There are as many orbits of a planet as it has revolutions, as in the motion of the Moon, and the orbit of any one planet depends on the combined motion of all the planets, not to mention the action of all these on each other. But to consider simultaneously all these causes of motion and to define these motions by exact laws admitting of easy calculation exceeds, if I am not mistaken, the force of any human mind.
 
Newton, Isaac
De Motu Corporum in Gyrum
1684 , p. 0

 

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Quotation of the week: Cubeddu on democracy

     

Video interviews:

     

Prof. Victoria Curzon Price (17.1.10)

 

Prof. Pascal Salin (3.7.09)

     
 

Articles and papers:

   
     

LETTER - Caro Saviano,...: Open letter to Roberto Saviano (in Italian - English version available soon) (13.7.10)

 

COMMENT - BOOK REVIEW: Pascal Salin's Revenir au capitalisme, pour éviter les crises (13.4.10)

     

COMMENT - Reply to Professor Pascal Salin - Debate: Monopoly, property rights and competition (23.2.10)


 

COMMENT by Professor Pascal Salin "A further comment to Mr. Birindelli's statements " (8.2.10)


     

COMMENT - Reply to Professor Pascal Salin - Debate: Monopoly, property rights and competition (18.12.09)

 

COMMENT by Professor Pascal Salin "A further answer to Mr. Birindelli's remarks " (17.12.09)


     

COMMENT - Reply to Professor Pascal Salin - Debate: Monopoly, property rights and competition (12.11.09)

 

COMMENT by Professor Pascal Salin on "Monopoly, competition and competitors" (10.11.09)


     

 

ARTICLE - The discriminatory treaty (23.9.09)

     

DEBATE - Curb on bankers' bonuses: Article - Debate (WSJ, 5-6.8.09)

 

ARTICLE - Democracy: positive and negative (27.7.09)

 

     

COMMENT (Prof. Salin interview) - Monopoly, competition and competitors (3.7.09)

 

PAPER - Emergencies, government intervention and the "No vote mechanism" (18.6.09)

     

ARTICLE - Selective condemnation of discrimination (30.4.09)

 

PAPER - Arbitrariness and expediency (12.4.09)

 

     

ARTICLE - The wrong conflict of interests (21.3.09)


 
     
 

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