, 1879-01-02
SCIENCE
The ~ Eifrn ( aaar0ua'' Atats nf NGafser-pref.
William Crnnke~ Aosvcs rho Problems of The
Gnlsrrae-iIis Address De1oFn the ltoya

linary vacuum tubG whenever spark from MI |
induction coil Ia pa,scfi through II. Mr.. trookc.
-. -. ,..,,v .~,..I,,.,,. T.. .h,. 49, .
s'as i.'aeo many sApc."nep9e ;" tu'n u1h Space.
when appears 70 oher proa'isiag ne'd III
research TO tho physlciat. anu has ate.
lila u1a,er M moicc,,1ar .t.surhoncc !, |
~. =, ,s, ~, ',-.",s,
""ch Is 'oeaIeai WIN TUG ifislo'e
layer ot molecular pressure or Stress" tint has
engaged his attention during somo years. Re.
affects aro nrotlucel br long cunrtn-
80. et,.,,.a ~ VI. .n,,a. -. <fot.. .tia...,
asa sA"sasso"o " NV W @oea h"o'seseu
Eascous molecules Is 50 greatly accelerated that
light is produced ~ they strike against their
vii. ~ glo,. line ~ rno,rc,,inr 1or,.. cs,,
w. " ,lna..s,, s -. .,e1.,o, IT. ,,"mno,. 49,.
negative focus be 80 ARRANGED as to fall on a
strfp OF platinum foil tic strip mcts. An ul-
tro .ra.co,,s s,atc at matter NAV b, ,ct I'M.
mi; a. H. ,,rootc. rom.rk. atbo nho,,,,,, M. n
IN theso e3aaasteo tuoca ee'ea' 10 physical SCI
enee q nc", world,-a world where tnaster OK
orv ~ l,cht ,nln, oooI. AM, whcro t,Cht doc,
not al"aSs move III s1,ai2h. inc; Dn1 where
we cnn never enter, aud with which We must
bc content to ooaefvc and experiment from tue
outside"
aness w. nn euusa{ a,t ~ H. a1n ~ hee.na e a. too
Nosnt soeety ~ .ast MeeM ~ aeae ~: Ssoohes ~.
hoonen us reecns a'sc9'ss!es sa ana 70 witness ,s
nepea,9'. ,n' u nue VI snu wapSsams liz. ".en
9nc useharges r. IN sasu snGes ac nss cspse,ai
y y s e1aunsN tAS ahs. sraes Mt..s. *ppeass sunuu
,.,s. 1 H. S.r p9 - ;" ~ s ,,dr,s III !. os.ns
Mnen ~ nn4sM " ~ .uu1ssUE i'M su.s 10 p9hseu
!oles var,n9 & ntests o. spask. sn 're
Eescs, knu uhs isoui tnne W tiH,u aevhetl tscst,
arrangements .oI GaslnS srea!er ceF,taao .a anu
exaStneSs 20 paeMcuttar yiab IT, tery
seashae sns Nv 10 !" ~ .s,4s nas u.'"
eh tA. ~ tn" n, 10 o,,n ~ ~, hn cs
Nntcn IT. @ hot 1g.Micota!. w sosn t""s ne tatl
t, nusr ,tho , 3,,,x gns, ,.sr ,"r "
,e, ta'st,1 m n vn.
aeseM l ;saavsry oss ,os hc Tasn " tso " ~
q silalSht MoS. - u'seusstf "I.cn W. y. onso
aas ~ nv u s1ia t a, VI A1o a1 ~,
ates E t"u .". ~; !; ,r,.
that nhser eesta'" enutnn1 u. , .hs Iclestca NEW
tntilan tlsa einis.,Ve .oc9st .. !Gnt y t:us, aha
me ~. u.,,!, "" ', ,snu ~. "
taa 'acs tuas astas .uns .rase! np cnhscs
snrses' t, "ps M ny us a'a,1u t'.,s ~ I'LL,
saIt-,ass.sinm saiamrsJ vi !, I,;,.ns. " %
has 9eeM iea.eren T. a."nIi uoes, - a!soserF
WHICH deserves ~ ~ 'o saHeu giuen.aska.R. TX ~.
~ ~ w. s VIZ s. n n,ean any
ngn ms & papos t W. H. w. 9u scauy .os pu,n.
cation lor Sums ..no, nnt y. tne notcs r. rcaa
H. H. aI nn i ia hrc W. re1 ore IL by " s,tra far
cansssaess si se ot | cxp1sssien than b ais !" a.
4.
as sane \" o',,at. ~ tS.s ,est lr,
that tho comparison ~ tnSse spGelat elscu'n,
sIahcs .3', stsNsn evt.e, . ~. LIZ ~ as mctt
W IL, !" ~ ~ x a sct St ~ sts H.
sle !lght' When y" p1caupSo y nnt oetectso =!
TUG !!snt sv9!geu W 10 - sa.a.E un suliau!e
scfrsh as ne - ospeak IL saa,ue1n ~ anatk
@cncu @ tpoln % Icy " stni,atoIy , ~ ota!naty
Light Wien IT'S presence only 10 os seen W r.
cahes tao !nss!o,9 my - .o!so - npoksn " ~
"a ray %! Hknt ana )! M ca.toHI Mas !naae ttls
eoF1cct, ~ epplea 10 tnu uua9.atosy taeory'
Il cannot 20 Wroug t2 apply tho oxpses-
sion to e.ntss!vo "lieht." Il ls not essy 70 mere
Wotds, Whhn1t MA1ralh. W IN" appafatus ior
EelcIeace, to MnaKo ~. Gsookgs ssecnt e1pesl
Ments ecnesall1 IuG4AstuiS. lhoso ucautanico
WIN the pheLoMena OF tn9 passaEo q snuac-
tion apafks ~ Vselul'1 taDo; ana Will ~, ar
tfookce various totn1s u lautosnetet Hll bc,
pef''apa. Ab'c 70 gatnrr solae iuca .! tle pro-
cesses tf9fi. me .onownx csp'a'a'oo n.'i no aas
arranged VESSELS eApapie q ul9H exhaustion,
such q e ~ 3 usea sos az Iaaaometsr at'd
through these nas pasaea 'nooctlo1' alscharEes,
scalnR IN terminus a. enMes cM.; ~ tNs Why
~ has STUDDED me ioentstv oi too !un!.laatsd
lines u! molecular pressure wlth TUG invisible
'IolcculaF stfslt' ae has peeo tos SO naaoy !eats
observing. Nv !ntr1duc'aR cup-shaped n1stt
aisk, whlrh IL tnEae INC heeatlso Dole. ao A'la
been en!a 70 snos the ias 81 ne .lnes o. tofee'
~ very hlgl. e1saastto1' s1 ti!S w..ois nuIn oe-
cones llulnahat"a WIN efeomsh yelow, OF. ac"
cofdahE I" tha E.Ass' ottes eo!oEea phospnores-
cent llEbt. lhts commences a. diIefrmt
not turn gotllcs Ia tht snEhtest tle.
grc1, hut fadlatcs trom she negative polo
In STRAIGHT lines. rasitnR snsrp!y-dennca "ahan.
nWs" ot anything !laeed III !is path. On thu
other hand. tbs ordinary lilulnuus ohshntnena
III vacuum tubos Will pnas u,onE sny amount OF
curves aud angles. From study OF thcsc Ahad-
oWs Mt. Cronkes ADVANCES the theory that tho
induction 4paTk aetuhlfy lllu1lnatts tue ilnrs
OF molecular pressure caused BY tho c!cctrical
r1ctem ent Of thu negative pole. llO consdsFt
that the Rrecnish'y yel'ow ltelit Is caused BY tho
direct Impact Of tho molecules on tho eurface
OF the EEass. Ihe - shadows " are not nplaeal,