Show Source of IJght Called Phosphorescence Sailors upon the ocean sometimes see at night pale yellow gleams of light in the sealer A firefly or glow worm imprisoned tinilor a glass will show in the dark bright cpotsof light on his body A piece of salted Jili or achlp of decayed wood will sometimes giro A palo cold light in the night Then ifacre aro certain chemicals like phosphorus and compounds of sulphur lime strontium gull barium if placed in tho sunlight in glass II vc vls and then taken into the dark will give out dull colored lights All thesethe drops of fire in the sea the glow worm the I bib of decayed wood and theta chemicals are nources of tho light called phosphores enee |