StartsWithABang writes: As if a volcanic eruption wasn't destructive enough — complete with lava, ash clouds, soot and more — it's often accompanied by volcanic lightning, something seen in at least 150 separate, modern eruptions. But what causes this unique and beautiful phenomenon? We may not know everything about it, but here is what physics does know about what goes on.
Recent research has tended to show that the Abominable No-Man
is being replaced by the Prohibitive Procrastinator.
-- C.N. Parkinson