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Show Keeping Keping Up UpWiflhSc Wiflh\Sc Wiflh Sc \ len e eci /\ci ci / \ ciScit'nce ; . If ) Sclnneo ScltlnCO Scit'nce Scitnce ' Serviceis Service Sl"rvlcl Slrvlcl " ! -is is - W " r . NU m-u m u - U Scrvic Service ServiceElimination * Elimination of ofHeadlight ofHeadlight IIeadlight Headlight Glare GlareWith GlareWith With New Nev , MaterialMay Material MaterialMay \ May l\iay l iay Also \ Make l\Iake l Iake Three- Three ThreeDimension ThreeDimension Three-Dim Three Dim - Dimension ensionMoyics l\fovies l fovies Movies \ PossibleBOSTON Possible PossibleBOSTON . 1BOSTON BOSTONA BOSTON -A A - A new optIca optIcamaterial optical opticalmaterial opticalmaterial 1 material which promises to tosave tosave tosave save thousands of lives now nowsnufJed nowsnu1ed nowsnuffed snufJed snu1ed out in m night 11Ight driving drIvmg be- be beI because because be because - I cause of headlight glare is an- an announced announced an announced - nounced by the Land Wheel V\Theel- V Theel Wheel- VTheelwright Wheelwright \ Wheelwright - wright Laboratories of this city . . Known as polarold polaroid , , the new mn ma mntcrial matonal material tcrial tonal Is also to be used l1sed ( for or sun sunglasses sunglasses sunglasses glasses " which "hIch hIch take away light dnr da7 dnrzle da7zle da/zle da zle / zle without darkening the tire view , . and andeven andeven andeven even more Important , make m'11.e m11.e m11e m'mke mmke ' ' . posclhle possible posclhlemoUon possiblemotion possiblemotion ; moUon motion pictures In three dImensIons dImensIonsthat dimensionsthat dimensionsthat that have hae " , the tire optical Illusion ot of otdepth ofdepth ofdepth depth similar slmllar to vIe\\ vIe viewing vIeIng \ Ing a scene scenewith scenewith scenewlth with the naked n'l.hcd nl.hcd nlhcd n'mked nmked ' . eve ese e , e Other Otber uses promised Include one one- oneW'1y oneway - . way W'1y W1y wqy ' glass glacg : for cross court prh privacy prisacy acy In Inap'lrtment Inap'mrtment Inapartment ap'lrtment aplrtment ap'mrtment apmrtment ' buildings bulldings and brllllnnt brilliant brllllnntbundlng brilliantbuilding brilliantbuilding bundlng building exteriors e"lteriors elteriors " ; : that th'lt thlt tli'mt tlimt ' change color coloras coloras coloras as one w'l.s wl.s wls walks w'mlks wmlks ' ) . bySubstance bySubstance by bySubstance Substance Polarizes LightPol'mroid Light . . Polaroid Pohroid Pol'mroid Polmroid ' resembles a slieet sheet slrect of ofglass ofglass ofglass glass but lias h'l.S hl.S hlS lr"ts lrts ' . " the ability ablhty to polan1e polarr7e polan1ethe polarr7etire polarisetlie the tire light I1ght which passes p1sses p'msses pmsses ' through It ItNow itNow ItNow Now ready re'tdy retdy resdy ' to be produced In un unlImited unlimited unlimited lImited quantities , . tlie the tire new materIal materialis Is the first practical pratic'ml praticml pra Uc'll Ucll ' use of wh\t wh t wh'mt whmt whthas wh'mthas whathas ' \ has foimerly been a laboratoly 1'1boratolY 11boratolY l'mboratoty lmboratoty ' ' and andresearch andresearch andresearch research phenomenonPoJanzed phenomenonPolarized phenomenon phenomenonPolarized Polarized PoJanzed light Is Hght lIght , , which .1 1 ii iibrates . vlbrates .1brates brates only In one direction In con contrast contrast contrast trast to the helter skelter sleIt'r sleItr , ( ' vibrations vibrationsIn In the ordinary light ray . . The best\ best best1y bestw'my bestwmy bestow \ " " ' ay 1y to think thln1 . of the com complex complex cornplex plex phenomenon Is to regard ordI ordInary ordinary ordinary nary light vibrations as a mass of ofstraws ofstraws ofstraws straws tossed up In a wind They Theyare Theyare Theyare are blown against a plc picket piclet et fence fenceAU fenceAll fenceAll AU All straws arc are stopped except those thoseparallel thoseparallel thoseparallel parallel to the slats In the fence fenceand fenceand fenceand and all aU straws coming through are areJ1ned arelined arelined J1ned lined up In one direction . . . The Time ma nra materlal nraterial material terlal terial polarized acts as the pIcket pIcketfence picketfence picketfence fence . . Would Ban Blinding Headlight . . . } For I'or Ior ' use in automobiles automoblles all head headlights headlights headlights lights would send out polarized polarizedhght polarizedlight polarizedlight hght light vibrating in one direction and andall andall andall all windshields would be "crossed crossed "crossed'so crossedso " ' EO so that th'1t th1t th'mt thmt ' they would ould not permIt permItsuch permitsuch permitsuch such headlight ra ras ; s to enter and andblind andblind andblind blind the driver . , . The light from one's ones ' ' own head headlights headlights headlights lights would strike the ground groundnhe'ld groundahe'rd groundahead nhe'ld nheld ahe'rd aherd ' ' , be scattered with a destruc destructlon destruction destructlon tlon tion of the polarization polarlZ'1Uon polarlZ1Uon polarrz'mtioa polarrzmtioa ' ' and hence hencesuch hencesuch hencesuch such light would enter the car and andm.lke andmake andmake m.lke mlke make . possible vision down the road roadjust roadjust roadlust just as headlights act now nosy . . The three dimensional motion pIc pie pIctures pietures pictures tures are taken with a double cam camera camera camera era having two lenses as far apnrt apart apnrtas apartas apartas as the human eyes When such suchhlms suchtrIms suchtilms hlms trIms are sho\\ sho shown shon \ n the two views are areprojected areprojected arcprojected projected on the tire same screenthrough screen screenthrough screenthrough through polarizing sheets set at atrIght atright atright rIght angles to each other The Theaudience Theaudience Theaudience audience Is supplied supplled supphed with special specialghsses specialgl'tsses specialglasses ghsses gl'tsses gltsses ' |