Oh. My. Heavens.
I’ll have more to say about Bang Goes The Theory – short version: I rather enjoyed it – but this little film of Jem enthusing about his magnificent vortex cannon is well worth a look:
Damn. Wish I’d seen that.
Incidentally, I’m rather surprised this isn’t on Boing Boing yet. Tsk, tsk.
Part of the problem, I think, is that the longer item and Jem’s wonderful explanatory piece, above, are available only on iPlayer, within the UK. If they were on YouTube…