National Geographic : 1968 Jul
..~..This is NewYork We mean it. of plants quivers in a miniature gas chamber. The air in this bottle could have come from The metering system is so precise, it can NewYork on a.ny muggy mnorning. detect and identify airborne molecules down to Blut it didn't come from New York. It came five parts per billion. Thus, the air we breathe from acomplex rig at the Esso Research Cnter, is being scrutinized as it has never been scruti where they can, now simulate the atmosphere ,nized before. of any city inthe world. .,.. ... . .The smog problem is the first order The apparatus that does the simulating is of business. a surrealist array of pipes, vessels, lights and What causes it? What does meters. Abig transpar~ent drum swelters under .the sun do to the hundreds artificial light. Acar onates.bd spews xhaust of chemical compounds into the drum. Simulated solar radiation does in the air? What turns its worst. And, at the end of it all,..a collection leaves brown? ~ KK,~K YI~dI> ~ K . eaae wY , ? K? ;. K~ K~ ? K K .i ~~ KFK ~'.~ ? iK .L K . :KK?-:: :: ~~ 4:- l~;r?~~ ?"nve~ ?%B . K- ? ::K "? K :.K K' a~~: ~r;*;i~ k ? KKe- KK"?K 'K~~~~ ??K KZ ~K ? K K ~<': ??K "K ~~; ; KIKKKs; K ' ~ ~I~~~K? 'K? K' PK< ''K ~K KKKKK'K.K~r.KK . . . . . . . . . . . . . . . . . .. . K?''K K' ''K"'j ~ K'~~- ~a ,,,~,,: . .. .KK'K 1111 ???~ ~ ~ il~~ 'K? K~"KK? KKKKKK~~K K ~ K????? ?'% "KK?? ?K.~??K'K.?'K''KK KKK K~? . 4'? K? K'KK' 'K . K~ " ? KK'KKK ''"K' K? KK'KK"' ' ~~ 'K K'~' KKKK~ . ~'. K.., 'K'KKKKKK K 'K ''' K~' K~ K K.?'.K KK.~ K~ 'KKK K K? 7 <..''.K.K4'KKKK K"K4UK~?K K'K~~ K . KKKKI.K .'KKK.KKK ""KK'" K. KK.K ~'KKK~'KK<KKK'K " K"' ' 'K.