Show PROFESSOR E OR SEES SOUND SENT I 1 OVER RAYS PAYS OF 17 LIGHT or dr donald C noted scientist tails of wonderful era of the ultraviolet ultra violet ray cambridge mass an era of ct tile ultraviolet ultra violet lay when sound will li be transmitted ox owr r beunis of invisible light and u n multiplicity of 0 scientific marvels lividly fluidly yet envisioned environed III lie commonplace la Is predicted by scientists here are a few of the things foreseen liy by dr donald C the lie re of whose were tl bt at tho the massachi felts F in of technology motion pictures transmitted on in visible ultraviolet ultra itra violet rays automobile that will flood with invisible light tit will themselves bo be dark lou kiil I 1 fences tt acea posts that mill ill it 11 aad with a fluorescent fluoresce ut sub ilance which will glow when beams of the light strike wartime war time message messa irps ahli h in amny h sent willi ont tear fear of 0 interception be cause the light rays may he be focused on a given point other ties U ca for the violet ray anre expected nhen it a glass la Is perfected perfo teil which III allow the rays to paw pass through nud and work their curative values at on oil sufferers from many and their action in Is thoroughly tinder understood stood doctor gave a graphic demonstration of the TRY my and its motion pictures projected froni from an ordinary machine with it a liter filter in the rear of the lie tells lena to permit only ultraviolet i rays to pass through were shot on invisible beams to a fluorescent screen where they appeared with a ghostly greenish blue glowa glow A the hullian voice coming through the ether as a part of a radio broad cast was sent over a ray 0 of the light but when a persons hand or any other object was thrust lu in the way the sound ceased an ali automobile on a miniature road with scenery and bridges and fences illustrated how the danger ot of glare from headlights at night might he eliminated and the lights themselves darkened giving olt off tile the ultraviolet ultra violet rays nione alone beams beama from rom uch such headlights will shino brilliantly when they fall upon roads and guide posts posta coated fluorescent substances but will be invisible to other oilier the results that the alie may come into practical realization by 2000 A D doctor believes |