Is this a grammar quiz in which we have to find the missing element? If so the answer is either an ' or the word "for".

Or is it the philosophical musings of a drunken man going through an existentialist be-dead-soon crisis and searching pataphysically for an end to the tedium in his life which he metaphorically represents as a piece of string?

How many times must this be answered, try using the search function before raising questions of string length and what tyre for....

http://www.bikemagic.com/forum/forummessages/mps/dt/4/UTN/92142/

It was Horizon Alan Davies attempted to answer the proverbial question: how long is a piece of string?

A fascinating and funny insight into quantom theory

tekk wrote (see)

Best bit was that physicists laugh

It was like a mad man on acid.

Liked the idea that we are in 2 places at once.