there was a ventilation fan turning slowly with rotary blades big enough to drive the q.e.ii ; there were glasses , [ well , no , not glasses ] , screens showing something i used to watch on dr who , but far more kaleidoscopic , like static on old tvs , but not white and grey specs , hundreds and thousands instead , all quite psychedelic and enough to rattle my eye balls out of their sockets ; the scientists who were tiny next to giant control panels worked with comically miniscule levers and switches to suit the little peoples hands , the only things on a small scale .