Potter]: Male “We make filters, and we make them light, thus the mixture of clay is made lighter. We pour water into it and there is a filter like object in it. In the fridge, we make two containers, a small to store edibles and the other to keep water. People undergo training for three months to make these products.” Food kept in an earthen fridge remains fresh for one week and the earthen water filter keeps water pure and cool. [Laxmi Sharma, Local Resident]: Female “I got it from the …
EcoMachine As we face a future in which clean water will become less and less accessible, we must re-evaluate our wastewater treatment systems and develop them into more earth-based processes that utilize human knowledge of the natural world. Watch as students from the Ecosa Institute’s summer Permaculture/Water Design Intensive construct an ecological wastewater treatment system, or Ecomachine, in Prescott’s Ecohood under the direction and guidance of the system’s creator, Dr. John Todd, …
To show the differences in reactivity and the periodic trend of reactivity between alkaline earth and alkali metals. Starting with the least reactive magnesium, it is followed by calcium, lithium, sodium, and potassium. Some parts have been sped up to speed up the video and rate of reaction.
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