The sun. [volume] (New York [N.Y.]) 1833-1916, 1893-10-29

| seription Of iinuid ozone. that strange form %
Sonssitution, ' dIspsnt IN
sSd aS sss Ss ~ asE 1
y sss HdS s1pcas s
quantities. requires ali the deiieaey Of panipp-
latlon which 70 one Of the, special directions in
'' ThroSsh ali these explain stons and others
pages. he had spoken In the. clear, emphstis
way which is characteristic OF men who deal
p s so wS tSs
End the Of words his
and dweIt with interest upon some Of the
his eyes in the region oi-200 Centigrade
AS we approach the zero point Of absolute
what 1 can only call tbe death Of matter. Pure
metals undergo molecular changes, which
se Se we tne@
ale strength. electrical resistance. in fact. the
whole CHARACTER OF the metal. as we are ao-
Quatnted with IL. appears to change. At-20O,
tTicsI eSndpStof az copper. while i Is more
temperature. II not before, tho electrical re-
distance OF all metals reaches it's zero point.
m mhs sG ess al seSs.S gVy Sc beng
ception., its electrical resistance increas-
Ing with cold. and, decreasing with heat
able and ft opens up vide field for experiment.
and investigation. In fact. the most marked
the liza 81
have have seen red oxide OF mercury turn yelloy
oxygen and regain It's original color upon re-
turning to the temperature OF the air. In the
sane way sulphur becomes White Bichro
ton Of iodine in alcohol beco mes colorless. as
does ierrie chloride a dee, deep red at the tenn
At these low temper atures chemical
the rule was invsriabie but se'p found that
photographic plate placed in LIQUID oxygen was |
a. aesSd snes fS% ths outside
Tho effect upon bacterial lie is also not
what one would expect. Though It is do
cam t sadnre a. de
gree oi cold much greater in proportion, have
Tor the space Of an hour to a. Temperature OF
-lS2 G; but found that they afterward went on
pened to Be- T6is Ia nterestins snf In ' ase WaS
hat the firs, NE might have, been
,o adSed with smile. how the the mete @ini
that spores may live upon a planet
h 2 long per n; j Of Icy tenn peratIre In
Istance and its fnai dsappearsn es'f look Tor
much new iiEnt upon electricity itself. The
changes In the characteristics OF metals al
eady observed unlock lessons whose scope we
rave not yet begun to measure. In fact" said
lie. for long time to como shall confine
myself to the many fields of research which
he temperatures already attained have
opened up"
Concerning the zero OF absolute tempera-
ure Prot Dewar was disincline ed to theorfaa
10 to it's being the temperature Of the inter-
telar space, he has not Yet come to any final
he strange white and shining night clouds
which have puzzled the astronomers were
omposed Of carbonic gas frozen solid. Nor
oes he yet. despite the tenn peratures reached,
ee how the zero is to be attained. He.
Ike the Arctic explorers OF the past has |
cached a point beyond which no appi-
nee OF modern science can carry him. Tho
lysteries which cluster about this point
re 80 many. however, that the efforts to
each It will be untiring from this time
birth. Thatit discovery will be a key to many
nsolved problems in electricity. in matter In
ght and the great inscrutable my stery Of life
sell. 10 not to be doubted. This IL an age OF
onstant change In scientific conceptions and
additions. every marked advance In any one
,lenee tending to cause more or less OF e re-
d lustmept OF existing views in every other.
cience has long been editing the Book OF
enesis with an unsparing pen. and with tho
ttainment Of tho zero of absolute tempera-
Ire the command Let there DO light" may
Ike on a meaning which the profoundest
Philosopher or scientist OF the present time
annot remotely conceive. J. w. DAM.