
Archimedes Laboratory
has posted new fascinanting number facts...
Interested in Fibonacci numbers? Why number 27 was important in Roman rituals? Why skinheads use 23 in tattoos? Do "Heinz Company" really produce 57 varieties of foods as claimed by the founder H. J. Heinz? What is a triangular number? How many ways to say 80 are there in French?
Source: www.archimedes-lab.org
An exhaustive collection of number curiosities and facts, both mathematical and cultural

Archimedes Laboratory has just posted new intriguing season "Pencil Games" for you to work out!

Archimedes Laboratory
challenges your creative visualization with "droodles".
A "droodle" puzzle is a kind of minimal cartoon featuring rather abstract pictorial elements accompanied by an implicit question: "What is it?". Droodles are based on the 'pareidolia', an innate human tendency to impose a pattern on random or ambiguous shapes...

Archimedes Laboratory
has posted a new article in his blog "Paroloj":
"German for beginners, or always beware of a German-speaking Hottentot who wants to offer you an opossum". You can read it at:
http://linguacuriosa.blogspot.com/2009/1 0/german-for-beginners.html
Source: linguacuriosa.blogspot.com
is dedicated to peculiarities, and oddities of the language: wordplay and etymology. Exploring the historical aspects and playing with words and languages is both entertaining and educational.

Archimedes Laboratory
has posted a new "monthly puzzle" for you to ponder:
http://www.archimedes-lab.org/monthly_pu zzle.html (the Mark of Zorro...)
along with the highly expected solution to the previous problem...
http://www.archimedes-lab.org/monthly_pu zzles_77.html (Radiolarian’s shell)
You are cordially invited to take part to our monthly challenge! Yours, Gianni and Marie-Jo
Source: www.archimedes-lab.org
Each month we'll endeavor to bring you a new ingenious puzzle with the solution to the previous month's puzzle! (see our puzzle archive) We will also post the names of those who submit a correct solution... ...

Archimedes Laboratory
gives you now the opportunity to CONTRIBUTE to his community by submitting original articles pertaining to recreational mathematics, mechanical puzzles, optical illusions, brain & mind, and visual creativity. Only the best articles will be considered for publishing: http://www.archimedes-lab.org/contribute .html
Condivid...ete le vostre idee, contribuite alla community di Archimedes' Lab, spediteci i vostri articoli sulla matematica ricreativa, le illusioni ottiche, la mente e il cervello... Contribuez, envoyez-nous vos articles sur les maths récréatives, les illusions d'optique et/ou les jeux de l'esprit...Read More
Condivid...ete le vostre idee, contribuite alla community di Archimedes' Lab, spediteci i vostri articoli sulla matematica ricreativa, le illusioni ottiche, la mente e il cervello... Contribuez, envoyez-nous vos articles sur les maths récréatives, les illusions d'optique et/ou les jeux de l'esprit...Read More

Archimedes Laboratory
has added new spooky double pictures in his page 'Macabre optical illusions'. Spot the skull hidden
in the pictures featured at:
http://www.archimedes-lab.org/skull_illu sions.html
(illusioni che vi faranno venire i brividi... / illusions d'optique qui donnent la chair de poule)

Archimedes Laboratory
has enhanced the webpage that presents some ancient texts from early math and logic puzzlers for you to read online: Alcuin of York, Leon Battista Alberti, Giuseppe Peano, Archimedes, Heraclitus... Please, visit it here:
http://www.archimedes-lab.org/earlymathp uzzlers/theclassics.html

Archimedes Laboratory
has posted in his blog a new article on COLOR BLINDNESS. If you are a color blind person you may help us by answering some questions related to your color deficiency experience at:
http://visual-illusions.blogspot.com/200 9/09/what-color-does-it-look-to-you.html
Source: visual-illusions.blogspot.com
1 in 12 people have some sort of color blindness that makes them unable to distinguish certain colors or shades of colors from others. Color blindness is, however, an inaccurate term to describe a lack of perceptual sensitivity to certain colors; a more precise term is: Color Vision Deficiency (CVD)...

Archimedes Laboratory
invites you to explore the multiple thinking patterns of the mind at:
http://www.archimedes-lab.org/multiple_l ogic.html
(les différents modèles de pensée / i diversi modelli del pensiero)
Source: www.archimedes-lab.org
The 4 Interdisciplinary Thinking Patterns Explained

Archimedes Laboratory
offers you a funny and powerful online anti-stress tool; to try it please visit:
http://www.archimedes-lab.org/anti_stres s.html
(essayez cet amusant bidule antistress / provate questo programmino flash antistress)

Archimedes Laboratory
has enhanced the online mind reading trick:
http://www.archimedes-lab.org/wonder1.ht ml
(ha migliorato il trucco online della lettura del pensiero /
a amélioré le tour de magie online de lecture de la pensée)

Archimedes Laboratory
has posted new mind tests for you to take:
a) http://www.archimedes-lab.org/marble_tes t.html
b) http://www.archimedes-lab.org/Rey_test.h tml
c) http://www.archimedes-lab.org/Stroop_tes t.html
d) http://www.archimedes-lab.org/mind_contr ol.html
RECENT ACTIVITY

Archimedes Laboratory discussed largest prime on the Archimedes Laboratory discussion board.























