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But what is a continuum with n dimensions; how does it differ from a continuum whose number of dimensions is larger or smaller? First, let us recall some results recently obtained by the students of Cantor. It is possible to … Read More
The post Henri Poincaré, Why space with three dimensions – Continuum and cuts appeared first on SetThings.
“I am very interested in you,” I said to my friend Double-Spine; ”the more I go, the more I understand and appreciate what I heard from an old queen from home: The world belongs to the ants! …” “Your old … Read More
The post The adventures of a red ant: THE WALKING LEAVES – SOFT HEADS AND RUDE HEADS appeared first on SetThings.
Geometers usually distinguish two kinds of geometries, which they call the first of metric and the second of projective; metric geometry is based on the notion of distance; two figures are regarded as equivalent when they are “equal” in the … Read More
The post Henri Poincaré, Why space with three dimensions – Analysis Situs (Topology) appeared first on SetThings.
Sacred love of freedom, inspire me! … Fleeing had become a real nightmare at night, an obsession during the day. Escape … but how? I was turning in my crystal prison looking for a way out, when I knew better … Read More
The post XII. THE FLIGHT – DOUBLE-SPINE appeared first on SetThings.
The Digital Assembly 2019 is a forum for stakeholders to take stock of the achievements of the Digital Single Market Strategy, draw lessons and to exchange views on the contours of a future digital policy. The event is also a … Read More
The post Digital Assembly 2019 – Bucharest, Romania, June 13-14 appeared first on SetThings.
The psychological time, the Bergsonian duration, from which the scientist’s time has come out, serves to classify the phenomena that occur in the same consciousness; it is powerless to classify two psychological phenomena which have for their theater two different … Read More
The post Henri Poincaré, Space and time (2) – Physical and psychological relativity appeared first on SetThings.
The next morning, at the first light of the sun, a step was heard on the stairs, a head slowly advanced into the office. Urbain was there … His eyes went straight to his desk. “My poor ant from France!“ … Read More
The post The adventures of a red ant: XI. IN THE BOWL – THE VARIOUS ECITONS appeared first on SetThings.
One of the reasons that led me to return to one of the questions I have most often dealt with, is the recent revolution in our ideas on mechanics. Will the principle of relativity, as conceived by Lorentz, not impose … Read More
The post Henri Poincaré, Space and time (1) appeared first on SetThings.
And we walked, with me carried, in front of the liberators! “Urbain!“ said one of the young men, laughing, “deliverance is near!“ “And bites too!“ replied the brave captain. Soon we arrived at the crest of a hill that was … Read More
The post The adventures of a red ant: X. ASSAULT – CARNAGE appeared first on SetThings.
It was not as difficult as I supposed. I had only to take the path of the cockroaches: they entered the night over the door, I went out the day there. Immediately I reached the leg of a sailor, who … Read More
The post The adventures of a red ant: IX. IN BRAZIL – I FIND URBAIN appeared first on SetThings.