Show Freaks and Oddities In Science N News H J Electrons streaming from the thc sun may be th the theU U cause of our familiar but mysterious blue sk sky Experiments with cathode rays in a high vacuum formed in a tube similar to the X-ray X tube have hav been made The rhe stream of electrons which is th the cathode ray were allowed to meet larger electrically charged particles of matter known to scientists as Ions ons which are arc formed either from a piece of radioactive radioactive radio radio- active metal such as thorium or from a gas Th The blue light appeared where the electrons and the ions came together This blue light can be broken up by prisms to form a spectrum or rainbow of continuous color lust just as is found in sunlight In the upper layers o of our atmosphere electrons continually arriving from the he sun and ions of the gases which form fonn our air meet in the intense vacuum of space The blue of the he heavens ma may at least partially have ha the same cause ause as that of the laboratory a a a H y Motion picture theater floors should slope up toward the screen not down as they are at present present pres- pres ent nt constructed construct d. d By thus constructing a theater the audience would have a better line of vision and would enjoy the pictures more because it would be unnecessary unnecessary unnecessary sary for tor them to tilt their heads backward at an uncomfortable un un- comfortable angle to see the upper part of the screen n. n |