I had nearly forgotten that one 😀
And there was the time that Dagda nearly tore out the radiator plumbing longside Prof’s office… and the time we had to put safety notices up everywhere because of the laser scanner…

But don’t forget how your doors played pinball with one poor unfortunate lecturer who didn’t get clear of them in time!

A lecture in “What happens when you wire a really large capacitor the wrong way round” might go down pretty well, just don’t don’t mention that the electrolyte inside might be carcinogenic 🙂