Danger! May change your views!

In Second Life, everything is made from primitives – cubes, cylinders, prisms and so forth that you can place together to create pretty much anything. There’s a size limit of 10×10x10 metres that’s sometimes a real pain in the arse.

I’d heard of something called megaprims that allow you to make much larger blocks (for walls and the like) and, wondering how they worked, I found out why they’re banned.

Kuula buried under Megaprim – in which, on Jan 11, 2007, Kuula and nine other regions (about 50 hectares in total) were struck by disaster – a massive sheet of 5m thick virtual plywood plummeting from the sky. Those underneath were not crushed, but caught inside the prim, causing bizarre and erratic behaviour

It’s not quite the alien attacks of Sim City, but as far as virtual disasters go, pretty awesome