Another winner from abroad!!!! 18a In Scotland and Northern England, to stretch, strain, reach out (3)? - a -. 34a Radio wire which rectifies the current and produces audibility (4 - 7)? - - - s/- h - s - - -. No hope for non-scientists as usual.
Hello my dear friend Lie-in King. Thank you for that. I can do no science and no Scottish words.
Another wet day in Devon. I'm going to post my next Polymath from New york!!!