That was a very...enlightening experience. Wouldn't recommend it to anyone. Right. When I said to 'be adventurous', THAT is exactly what I was not suggesting. Prime example. Don't. Just don't. 
( [Private] )

Right then, lots of work to be done.

I am sorry, to any of my students who were unaware. UH101 has been canceled, indefinitely. You all get full marks for the course.