Idaho semi-weekly world. [volume] (Idaho City, Idaho Territory) 1875-1908, 1888-11-23
SCIENCE AND INDUSTRY.

SCIENCE AND INDUSTRY.
Prof. Rogers, OF England, has ir
vented "a solidified gas which can b
Immediately volatilized for the specia
use of balloonists.
MIR. Edison says that 5000 volts Of
electricity, alternating 500 times per
second, will kill a man beyond power
of resuscitation. Salt bandages on the
wrists will facilitate the process.
An important invention in railway
practice is the method OF welding steel
rails by electricity, recently patented
by a Baltimore electrician. by which
track-layers are enabled to lay a con-
tinuous rail. {4
1t is stated upon medical authority
that readers should refrain from damp
Ing their fingers In turning over the
leaves OF library books, rs this is a
sure way to attract any stray baciln
that may be lurking around.
Prof. w. Ramsay suggests that
color-blindness ia probably defect Of
the brain instead Of the eye. 1t 10
analogous TO the dullness which pre-
vents IA person from distinguishing an
octave difference between two musical
notes. though both notes are heard,
there being no deafness.
Mr.. Kergovatz, chemist OF Brest,
slectrotypes bodies after death. BY his
process the body is encased 10 skin
Of copper, which prevents further
change or chemical action. II desired,
this may again be plated with gold, or
silver, according to the taste or wealth
Of the friends Of the deceased person.
The manufacture Of counterfeit i'm
plements OF the stone age seems TO be
becoming quite an industry. A recent
deception, detected at the Smithsonian
institution, consisted In chipping away
parts Of genuine spear or arrow heads,
and selling the mutilated fints at a
greatly increased price MS rare and Gu
rious.
An instrument called the osteotome
has been invented rs an improvement
over the tedious and clumsy surgical
methods of cutting through bones by
means OF SAWS and chisels. II Is prac-
hoally circular saw revolyed at very
high speed by AN electric motor. An
ingeniously devised shield, which
passes around the bone to be operated
upon. protects the surrounding flesh
from injury
--Saccharin, the newly discovered
organic chemical compound, which is
so manv hundred times sweeter than
sugar, Is Eo attraction for flies. bees or
other insects, Perhaps their instinct
teaches them that it is no use as food
and oven injurious as flavor. 1t will
probably take man long time to find
out by scientific methods whether 1t il
good and safe article OF diet for him
Foote's Health Monthly.
French chemists now obtain from
the essence Of birch bark, ny rectiiicai
ton, an essential oil which Possesses
among other properties that OF being
fatal to insect life, and an ELECTRICAL,
insulating larry substances; and thes'
two products are so treated and com.
bined with other substances rs 10 pro
duce AN anti-oxidizing compound and
nm insulating material capable Of tn,
same applications as ebonite
"A medical journal states that new
experiments have changed old theorie
upon the best methods OF treating fros
bitos, A physician froze sixty dogs
into u condition OF completely sus
pended animationi twenty Of these
were treated by the usual method o
gradual resuscitation In cold room
and OF these fourteen persisted; twenty
were treated in warm apartment and
eight OF these died; while OF the re
naming twenty, which were put a
once In hot bath. all recovered.