Archives mensuelles : octobre 2010
Cheval d’eau
Alain Proust, au cours de l’émission La Maison France 5 du 27 octobre:
1 moulin a eau développe 1 kW, soit autant qu’un fer à repasser. Mais cela représente le travail de 4 chevaux ou de 30 hommes…
Collapse
Jared Diamond says:
– societies collapse. examples a many, old or recent. It was worse in the pre-historic times (i.e. before writing existed – think Maya) because lessons from the past could not be captured
– ecology is twofold. First-world ecologist think about solving their societies. Global ecologists (Diamond is clerly of the latter) think about solving world issues, which are many (he cites 12), but upmost overpopulation.
– we’re doomed.
– William Rees explains it is « a necessary antidote » to followers of Julian Simon [in Wikipedia article on Collapse]
links for 2010-10-27
-
le concepteur de l'extension ecologique en bois a Grenoble & de la renovation de la petite maison de Michel Thouvenot (livre)
-
tres bon resume sur la RT 2010 et le passif
-
efficacité énergétique dans la climatisation des bâtiments neufs et existants
-
nombreuses presentations sur puits canadien 7 alii
links for 2010-10-26
-
With the use of recycled and second-hand items I hope that individuals and teachers will use this blog to bring back the joys of doing science.