Show HEATLESS LIGHT IS SOUGHT I 1 p french scientists to investigate hum ble bl glow worm in hope of solving perplexing problem the humble bumble glow worm to la to be investigated vesti gated by french scientists in the th hope bobo that it will serve to solve the problem of discovering a cold light the groat great objection to all present forms of electric lights la is the heat they give off in his address to the national society of french electricians president daniel berthelot says the glow worm as a machine for the production Oro of light Is perfection itself for every ayery units unito of energy expended the glow warm with ith its cold dry light glop per cent of illumination as against 12 11 per cent by gas gaa 16 per cent by electric light and 14 per cent by the sun this according to M Derth berthelot elot la Is due to an electro capillary apparatus in tho worm constituted by thousands of cells |