The Eureka archive in now online

The Cambridge University Mathematical Society, The Archimedeans, has published a magazine called “Eureka” ( https://archim.org.uk/eureka/ ) since 1939. Here some news by Adam Atkinson. Here is the cover of issue number 46, from 1986. It contains an article by John Conway on “audioactive decay”, a surprisingly detailed analysis of the “look and say sequence” 1, 11, 21, 1211, … According to the Eureka website, articles by Dirac and Hardy have appeared, and elsewhere I read that there is an article by Freeman Dyson in issue 8, published in 1944. Read more
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Seven cosmic messengers

Let us suppose we travel from Earth to the furthest observable point in the universe. We have seven satellites on our spacecraft, used to keep communications between us and the Earth. Let's suppose that the speed of the satellites coincides with that of light, or in any case equal to a speed whose difference with [latex]c[/latex] is negligible, while the speed of the spacecraft is [latex]v = 2 / 3c[/latex]. Read more
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COVID-19 Educational Video Resources

A thematic selection of short video talks from JYU UNESCO Chairs and CCE-Finland’s Global Online Conference on United Nations’ World Creativity and Innovation Day on 21 April 2020 Creative and innovative challenges in education worldwide amidst the COVID-19 Crisis were in focus at the Global Online Conference organized by the UNESCO Chairs of the University of Jyväskylä and Council for Creative Education, Finland. Read more

A game of free will

Sometimes I wish I hadn't invented that game. - John Horton Conway about the Game of life [3] The most famous mathematical invention by John Conway was undoubtedly the Game of life, that was popolirized by Martin Gardner on his column published on Scientific American [1], but today I want to tell you something about the free will theorem. Read more
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Fighting the coronavirus with mathematics

Infectious diseases are much on everybody's mind at the moment, as frantic efforts are going into stopping the spread of the coronavirus and developing a vaccine. Read more

International Day of Mathematics on March 14th

The International Day of Mathematics (IDM) is a worldwide celebration. Each year on March 14 all countries will be invited to participate through activities for both students and the general public in schools, museums, libraries and other spaces. On November 26, 2019, the 40th session of the General Conference, UNESCO proclaimed March 14 as the International Day of Mathematics. Read more
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The ultimate question

If you are a reader of the Hitchhiker's guide to the galaxy, you probably know that 42 is the answer to the Ultimate Question of Life, the Universe, and Everything. The choice of the number by Douglas Adams was quite random, excluding the simple fact that the number liked the writer. Read more
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