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Giétro – chronologie d’une débâcle

1816-1817 Formation du cône de glace et du lac, suite à une poussée glaciaire. Le lac se vide sans dommage le 27 mai 1817. Avril 1818 Première observation rapportée. Le lac atteint 1/2 lieue de longueur. Mai 1818 Dimanche de Pentecôte 10 mai: Ignace Venez, sur mandat du Canton du Valais, se rend sur l’éboulement et…

Hommage à John Tyndall

A l’occasion de la parution de sa biographie – The Ascent of John Tyndall: Victorian Scientist, Mountaineer, and Public Intellectual, un ancien texte… En 1849, John Tyndall visite pour la première fois les Alpes. La glaciologie est une science encore au berceau,  De nombreuses questions non résolues agitent la communauté scientifique. Une en particulier paraît…

The case for sobriety

In a recent essay ( « The triumph of spin over substance [1]»), Jeff Kehoe addresses the seemingly paradoxical fact that two American media (CNN and FOX News), obviously existing in the same space-time continuum, can have such a widely different perception of the world. He compares it to a scene in the film The Matrix where the hero’s…

Cybersecurity, cybertrust and the (smart) electric grid.

I had almost finished writing this blog when I attended a conference by J. C. Michaca, CEO from the company Cyber Resilience Sàrl. It addressed all the elements I wanted to point out, but also reinforced my convictions about the necessity of continued information efforts. The potentially disastrous effects of a large scale criminal attack…

Renewable energies – let’s go!

There is no question that tomorrow’s energy will be renewable. And we cannot afford any question any more. The debate is today in the pace at which the energy transition will and can take place. The simple answer is: as quickly as possible, if we do not want to see Switzerland (and Europe) losing its…

Matter of facts

Reading a book by David Wooton on « The Invention of science« . In chapter 7, the author analyses the emergence of the notion of facts as an important step towards modern science. We take it so much for granted that we cannot imagine a world without facts. Yet it did exist. And we are today at risk…