MEASURING THE EARTH’S CIRCUMFERENCE WITH A STICK: THE ERATOSTHENES METHOD
With space probes, it is very easy to compute the dimensions of the Earth with great accuracy. The first measurements…
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Volcano Tambora erupted (1815) 208 years ago, one of the greatest explosions in history
In April 1815 on the Indonesian island of Sumbawa occurred the eruption of the volcano Tambora, a natural event of…
LEONARDO DA VINCI’S LOST EXPERIMENT ON GRAVITY
A new study published by Caltech engineers unearthed a forgotten experiment by Leonardo Da Vinci, discovering how surprisingly advanced his…
THE AGONY OF THE CASTS OF POMPEII
During the excavations of Pompeii were found the remains of over a thousand victims of the eruption of 79 A.D….
414 YEARS AGO, GALILEO REVOLUTIONIZED ASTRONOMY
At the beginning of the 1600s, a new instrument began to propagate in Europe: the telescope. This new invention, thanks…
The Day When Glass Rained Upon The Earth
The cause of the mass extinction of the dinosaurs, which occurred in the Late Cretaceous and Early Paleolithic, remains one…
The man who challenged the Soviet Union to save the world
Valeriy Legasov was a Soviet chemist and member of the Soviet Academy of Sciences. Born in Tula in 1936, he…
Alexander Grothendieck, the greatest mathematician of the twentieth century
The story of Alexander Grothendieck, considered by many the greatest mathematician of the twentieth century, began on March 28, 1928…
The mistery of Tunguska
A gigantic explosion in the atmosphere – “the Tunguska event” – brought down 80 million trees in Siberia and illuminated…
Cecilia Payne, an exceptional and forgotten woman
Every student is taught that Isaac Newton discovered gravity or that Charles Darwin discovered evolution, but when it comes to…