List of the site's news added November 1st, 2004

Very international news from China, England, France, Germany, Finland, USA, Italy, and Mexico:

• List of unresolved multimagic problems. Send me your solutions!
• NEW RECORD. 243rd-order tetramagic square, by Pan Fengchu, China, better than the previous 256th-order tetramagic square. See also the updated records page.
• Impossibility of bimagic squares of order 4 using distinct numbers, by Luke Pebody, England, and Jean-Claude Rosa, France
• Impossibility of bimagic squares of order 7 using consecutive numbers, confirmed by a third person, Bogdan Golunski, Germany
• Bimagic and trimagic squares from order 12 to 16, and open problems of bimagic squares from order 13 to 15
• Number of multimagic series of orders 12 and 13, computed by Fredrik Jansson, Finland
• The four existing magic cubes of order 3
• The Fermat's cube of order 4, constructed in France a long time ago... in 1640... can be downloaded
• Original text of the Fermat's letter sent to Mersenne including this cube (written in old French)
• Story of the first pandiagonal perfect magic cubes, constructed by Gabriel Arnoux in 1887, and by F.A.P. Barnard in 1888
• Biography (in French) and photo of Gabriel Arnoux, France (1841-1913)
• Two biographies and photos of Frederick A.P. Barnard, USA (1809 - 1889) (click here for the other bio)
• The PDF file of the Federico Peiretti's article published in La Stampa, Italy, can be downloaded
• The PDF file of my article published in La Recherche, France, on our smallest perfect magic cube constructed in 2003, and on my discovery in 2003 of the lost Leibniz's magic cube constructed in 1715, can be downloaded
• Nice image of our smallest perfect magic cube, published in Science & Vie, designed by Bruno Bourgeois, B2 Infographie
• Carlos Rivera's excellent web site, Prime puzzles, Mexico, added in the links

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