If you don't know, then you're too old to need to know.What is this thread about?
Of course. There might also have been beer involved.Did it involve two mirrors and some cardboard tubing?
IIRC there is a negative correlation between the quantity of beer drunk and the build quality of the periscope.There is an overlap between periscope making and beer drinking?
It did at least have a purpose. It was supposed to enable us to see if the seafront tennis courts were free without moving from a drinking position.I bet tc's beery periscope is more fun than that shïte looking programme, "explore the world through the eyes of someone else" - feck off...