Show sc SCIENTIFIC MISCELLANY A new UPI significance Is being given to the color of o a mans mall akin ikin Pigmentation shuts out omit the shout actinic rays ot of light that are to living pro protoplasm protoplasm ro and Dr DI C I B E of ot th the United States tel arm arIa army he has hal collected evi evident dent Iene that thal the pigment in iii both pl plants nt and ha has been evolved to 10 meet protective needs It I cuts off ocr th tIme Injurious loin ious 1011 excess of ot light In both tropical and amid arctic r region The rhe man SeemS to have hae been ben brunette not black bluck coo evo evolution lution luton taking place ii In II H it R cold anti and light climate came Liter laler In cold and dark countries Transition takes take place gradually when time the ml r lion U is chow Io for or readjust readjustment ment meat lon but sudden and amid change In environment nt la in more moire likely to re result stilt sult lull In extinction The studio flashlight of a French photographer 0 Q A consists of ofa o a II large parabolic reflector of f aluminum num with a I series oerle of ot Incandescent cent lampH lampa around It Its edge edle tend and In lii the centre an atm with three car Nr carbon bon one fixed and two to movable immovable The mall emaIl lamps enable the photographer to 10 give Ie the subject the tIme best beMI pose When heim this thie Is II done dOIt pressure on a rubber bulb draws Maws the movable carbons carbona across the fixed one producing an In arc for tor the fiftieth of ot a 1 hut but dOl InK A t circuit that en energizes an n net l and Anti pulls th the carbons I away IH The brilliant fuh lash gives lifelike lelke port portraits mil The Tho relative Industrial value aluf of nt the tIme thumb and fingers n ha lice has been the time sub suh subject subject of ot various estimates Averaging the these e two French exp experts decide that the loss of at right thumb lessens leuen the use ule usefulness of ot the hand 30 per pcr cent and left lett thumb 20 per cent the Index tm flail fing finger er or 10 W to 21 20 per her rent cent Int middle linger S 8 Sto Sto to 12 1 per cent and the tho other lingers but bitt little The light of ot burning acetylene I Is Vei similar to sunlight and end the acet acety acetylene lena len forcing of plants plant otters oten Interesting possibilities The Ilme pains taking experiments meats ments at Cornell tonel have hiI given elen very ery practical results result Some ome plants reached a l good development entirely without sun sunlight sunlight 1001 light hut in the tine most mOil Important tests one leht crop vias aK grown ron under sunlight h by da tiny and acetylene at night an and another In sunlight b by da day and dark darkness ness nef at nIght The TIme weight of ot 37 87 radishes which Ih had hall been rained In continuous light was 16 grams while 38 radishes which had hail had ani only sun lun sunlight light weighted only fil GI gram grams or less Ices than half bait hir P 11 as developed pods In the double Illumination while others pos had lied not even Ien buds burl I and other plants showed l ilk like differences The heat storage system of ot has hu shown hown a I coal saving of 1 19 per cent on stationary engines and andIs Is to be bt stated on a locomotive holler boiler of the th Great Northern railway of o Eng England England land A storage tank on top lop 0 of or the time boll boil boiler bollor bol er or Is II connected to the Chic latter b by a 1 pipe The feeding water atel passes paus through this thle cylinder and I Is heated to th the temperature of or the boiler h by team steam a taken from the holler boiler when hell the engine it In la standing or the tIme safety valves ah Ire are blowing Mountain sheep hep am al aiu employed as A bel beasts la of at burden In some comae Ime of the ran ranges of the himalayas Himalaya The animal carries carrll from roam 17 to tn 2 25 26 pounds and ane lives on nn 11 tre timely rely on wayside herbage In a 1 recent expedition of ot a famous Indian explorer n ma flock tok of ot them were wera werf driven more morl than then 1000 10 miles nulles Miners load them with wih borax bora high In the lie mountains Anti and AnI after being driven to the plains they are ao shorn hon of nf wool 01 and amI return with loads of ot grain Iraln or salt Investigating the energy Iula utilized by the steam tum engine M ti I Marechal a I Fron French h engineer ba has haa found that 50 S per cent of the total heat bat KOS jOI to the condenser in II the he heat best bet and alit cent ont Is II system 66 per pr dissipated In air III 1 by fr free o escapement motors The art of ot making diamonds amond his hag ha been heen glen given a step forward through a R study of the time meteoric Iron ron of ot Canon Canol Diablo In a section letlon of ot thIs his famous Prof l an hn has las found numerous both Mack black and transparent together with wih pr and phosphorus and sulphur combined with Iron 1111 he hit has made experiments to determine the effect of silicon sulphur and phosphorus Iron Irn was wall tt fused with wih a I large IMre mass Inal of sugar Ular In a crucible In an electric fur tur furnace nace As AI soon OOn an as 01 the molten molen Iron hail had ha come saturated with carbon partly from th the a small proportion of or Iron sulphide was wa Introduced and time the crucible was wal plunged d Into cold water with rapid fooling cooling I as s an In essential the time Arbon crystallized out from tro the center canter of nf the mass man The Iron sulphide consid considerably Increased ed the yield of diamond cry crystals as III did also Ilso the silicon but phosphorus lied no Influence An electrolytic process procesa Is IK one of he the new suggestions In color photography lut such as a h tw e an v I re resistance varying with tIme the degree of light and when elmi a unbalance substance lit is Iri used a as an 91 elect roll nil rIk and Ild the hua Image projected on it a n deposit would b be formed with o ith lh II it i ti varying with whIm lh th the f r mt th illumination Though the ni it It I seem Heim formidable ble ex x pet S i 1 P c I nt smiled tlell to bo ho In progress with 1 Ih an andel del of if different nt kinds red tl p by hy byl l IJ to light In a bath containing In Ii II id 1 In lit II solution 1 with o Ih t I a double carbide of or al aldur tint dur and i burlum Is II u a an now new product t nf OIt the tho electric furnace that thil Ik like calcium Is II by water witter 1 ler It I was Trench 11 first metallurgist made maile lale 1 by J artier a |