Show Freaks and Oddities In hi Science N News vs I 71 jn The Job of ot washing catsup bottles in to a factory U caused the rare condition n or loosenIng loosening loosen loosen- ing of at the nails finger In to five of the girl wash bottle ers erst rs The five girls all aU noticed within 48 hours after alt work to m the factory that blue spots appeared under their nails naUs There was no DO pain but the spots spread pread rapidly and within a week the nails were loosened loos- loos ened ned from the The girls' girls work consisted of at washing the filled catsup bottles to remove excess paste after they had been labeled No soap or chemicals chemi- chemi als eals were used in to the w washing 9 S QI 9 HAn An electric lamp converting current currert into light U completely without producing heat at the san sante artje e I time has been operated in to a a. laboratory In to Berlin I The new tube Is 15 not suitable however for domestic or industrial lighting The invention of a cold light I that would avoid w wasting ting 80 to 90 per cent of the current as heat as in the ordinary lamp has been the he goal of ot ph physicists and engineers for tor years The tube ube is a n. modification of the gas discharge tubes used by Neon lights The current is carried by sodium vapor a at low pressure and is bright yellow In to color The discovery Is only of ot theoretical importance at present |