Action of a hypothetical machine which once activated runs forever.(9-6) 30ac Alesha950 , singer who Up. (5) (???o?) 35ac Michael (10), Formula 1 driver seven times world chapion champion. (10) 37 ac Going(6), one of Terry Pratchett`s Discworld novels. (6) 38ac name of bandleader Miller (5) 4oac ITV franchise based in Norwich. (6) 41ac the practice of nakedness (6) 42 ben (5), FIVE, BAND WHO RECORDED the album the Unauthorized Biography Of Reinhold Messner.(5)