A critique of my first attempt to make biochar with an open top kiln and how to solve some of the problems.
Tom builds an open top biochar kiln.
DIY insulated drum composter with a hand crank.
Sometimes the solution to problems are so close to your face that you can’t see them at all.
Do we really need all that plastic in the garden?
Some improvements to the original design.
Good Design doesn’t just happen.