Sunday, 24 March 2019

Lawrence Ferlinghetti

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L'avevo usato per l'entropia. A. Sparavigna. Fisica II Esercizi e prove d'esame. 1997. Progetto Leonardo. Bologna
Friday, 9 November 2018

Weber! Chi era costui?

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Sapete che l'unità di misura del vettore induzione magnetica era il weber al metro quadro, prima che nel 1960 si scegliesse il tesla. M...
Thursday, 1 November 2018

Verso il Dipolo

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Thursday, 18 October 2018

Il campo elettrico fuori dal conduttore percorso da corrente

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The electric field outside a conductor in which was flowing a current was observed experimentally by  Oleg J. Jefimenko. "He had a...

Earnshaw's Theorem

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Earnshaw's theorem states that a collection of point charges cannot be maintained in a stable stationary equilibrium configuration solel...
Friday, 5 October 2018

Bernoulli Numbers: from Ada Lovelace to the Debye Functions

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Bernoulli Numbers: from Ada Lovelace to the Debye Functions : Jacob Bernoulli owes his fame for the numerous contributions to calculus and f...
Thursday, 3 May 2018

Mimetic "animal"

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The original image is available at the link https://mars.jpl.nasa.gov/msl-raw-images/msss/01928/mcam/1928MR0100610000900537E01_DXXX.jpg ...
Sunday, 8 April 2018

Recurrence Plots of Pulsar Profiles (Philica, 2015)

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hal-01487452, version 1 Recurrence plots of pulsar profiles Amelia Carolina Sparavigna Polito - Politecnico di Torino [Torino] Abs...
Friday, 6 April 2018

φ-bonacci

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phi-bonacci
Wednesday, 24 January 2018

On "photo-proton” effect

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Researchers at Manchester University have discovered that the rate at which graphene conducts protons increases 10 fold when it is illuminat...