http://www.electricstuff.co.uk/Exploding CD's, nixie tube clocks, HUGE valve tubes, Tesla coil championships, BIG BIG sparks!, blowing the shit out of just about anything with a 5Kv surge generator, a million volt Marx Generator.
This man is barking mad but we stand in awe
'When it stopped raining, I set up my 120uF 5KV cap bank outdoors. After crushing a couple of cans and levitating a hard-disc platter onto the roof, some water (2 images below) and wire was exploded, and for an oncore, a soggy tea-bag was blown up. Fortunately it was nearly fireworks night, so the loud bangs didn't attract too much attention....'