Technology, Tools, Methods

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Solar Collector Calculations – Open Source Ecology

Solar Collector Calculations – Open Source Ecology.   Solar Collector Calculations Jump to: navigation, search Contents 1 Losses due to edge effects and lack of daily tracking 2 Losses Due to Air Mass 3 Losses due to edge effects only … read more

What is Aquaponics? How it Works & Why an Aquaponic Setup Can Fail – YouTube

What is Aquaponics? How it Works & Why an Aquaponic Setup Can Fail – YouTube.   John from http://www.growingyourgreens.com/ visits the Aquaponic Place in Waimanalo, Hawaii to share with you what exactly is Aquaponics, and how it works. You will discover the … read more

Liste de villes fantômes — Wikipédia

Liste de villes fantômes — Wikipédia.   France La Meuse compte les six villages détruits pendant la bataille de Verdun en 1916 et jamais reconstruits : Beaumont-en-Verdunois Bezonvaux Cumières-le-Mort-Homme Fleury-devant-Douaumont Haumont-près-Samogneux Louvemont-Côte-du-Poivre Perthes-lès-Hurlus, dans la Marne, détruit et déserté à l’issue … read more