Easy iCan in its safety can What can I do with some old cans? I can make a stove I can cook a meal I can make biochar I can be carbon negative I can change the world I live in That’s why these cans are called iCans Illustrated instructions for making the Easy iCan [...]

Description: This is an interdisciplinary activity for grades 9 – 12, revolving around use of biochar to mitigate climate change and promote sustainable agriculture / horticulture.  It involves climate science, plant science, and chemistry.  Advanced students will also encounter some elementary combustion science and thermodynamics, soil science, and botany.  The activity includes hands-on construction and [...]

        iCan, a pyrolytic TLUD stove, operating at 1000 degrees, using readily available materials Igniting inquiry into basic science   An iCan is an easy to make, inexpensive, hands-on teaching tool for harvesting carbon formerly in the atmosphere.  The harvested carbon is then relocated for appropriate environmental applications providing long term benefits. [...]

Explained here.

More photos with comments.

A longer story starts below the fold on the front page of the Lancaster Farmer: I-Can Optimism More on iCans here and here.  

  Complete iCan system In this case, the second can has been modified to provide exhaust holes, as the top is essentially sealed by the bucket inserted into it. The bucket is stainless steel and holds 1 liter of water with a bit of room to spare. I give the 320 grams of softwood pellets, [...]