This is how to remove the high voltage camera flash pcb from a disposable camera. You can use this to revive nicad batteries, make sparks, electric shocks, mini taser, zap, zapper etc.
Warning – this circuit produces about 350 volts and could be dangerous in some circumstances.
This was a test of a papercrete rocket stove. Papercrete is made with cement, sand, paper mulch and water and has greater insulating properties than concrete.
The opportunity to obtain some shed building materials presented itself this weekend, when my brother in law (in the photo above) decided to take down an old workshop in his garden. The downside of course being that I would have to help.
The workshop was apparently built by a wood turner and had some extensive ventilation pipework in the roof.
Finally it is down!