Little Shop of Physics has built a miniature plasma cutter using a pencil lead together with 4 x 9 volt batteries and a couple of clips allowing you to cut through aluminium foil.
Watch the video below to learn more about how to create your very own plasma cutter and how it can be used to cut thin metal foil using a mechanical lead pencil.
Parts required to make your own include :
– 4 x 9 V battery
– 2 x Clip leads
– 1 x 5 mm pencil lead
– Aluminium foil
– Box or tub
– Rubber band
This demonstration is only for the experienced! Little Shop of Physics took several precautions to do this demonstration safely. Don’t try this yourself unless you understand and appreciate the difficulties and the dangers.
Source: Hack A Day