The San Saba news. [volume] (San Saba, Tex.) 1873-1966, 1890-05-02
POPULAR SCIENCE.

Many of the lsundries of Paris are
said to use boiled potatoes in preference
to soap for cleaning soiled linen.
An incandescent lamp at Taunton,
England, was used 10, 600 hours before
the slender carbon filament failed.
The French factory of Nantois IS the
only one in the world where large glass
discs sufficiently perfect for telescope
lenses can be successfully cast.
The extension ladder fre-escape has
been adapted by the German army as a
more satisfactory apparatus than the bal
loon from which to watch an enemy.
Examining physicians say that alcohol
and tobacco are largely responsible for
the color blindness with which large
numbers of applicants for positions on
railways are affected.
Semmola declares that the administra-
ton of antipyretics in continued fevers
produces a poisonous rather than bene-
fetal effect, the repose secured being at
the expense Of vital force.
Russia is considering a plan for bridg-
ing the Behripg Straits. The length OF
the bridge from shore to shore will be
more than sixty miles. Intervening
islands break this distance INTO bridge
able lengths
Hot-air inhalation for consumption
has been tested at St. Petersburg with
no favorable results. Air cooled to the
temperature of ice has been successfully
used in three cases, at Naples, for stop
ping bleeding from the lungs.
Professor G.. Frederick Wright, the
learned archeologist, has explored the
Trenton On. j. gravel, and has deter
mined the presence of man on this CONT
nent at the time when the glaciers were
creeping down across its surface.
The safeguards with which Hebrews
surround the selection and slaughter Of
cattle to be used for food might be prof
itably initiated by people not of their
faith. There is little danger Of diseased
or tainted meat finding its way into an
orthodox Hebrew family.
The green color of ocean water de
ponds upon the number Of meduse and
other minute animal forms which inhabit
it. The deep green northern seas literally
swarm with these miniature creatures; in
some places as many as 12S of them have
been found in a single cubic inch of
water.
Though gluttony and intemperance
are bestial sins, and cannot escape their
punishment, moderate over-indulgence
in eating Is apparent a venial offense
against the laws of health; but let US be-
ware of presuming too much upon the
mercy with which nature tempers justice
in the enforcement of these laws.
There grows in Ceylon a nut called
kola. It has been used for many years
as a drug. 1t is now proposed to make
it a substitute for coffee. It possesses as /
a stimulant and article of food the essen
tial qualities of coffee; it possesses, fur
thermore, the valuable attribute of en-
aiding those eating it to endure long
fasts without suffering or danger. The
kola nut came originally from Western
Africa.
Every one knows that daltonism con
sists in oolor-blindness in regard to Ger
tain hues. According to the researches /
of DR.. Albertini, this daltonism is ac-
by a corresponding deafness
toward certain musical notes. Those
persons who have not the sensation of
red cannot distinguish the note sol;
those blind to green cannot recognize re; |
and to this lack of perception is added
the incapacity to produce the notes men
toned by means of the vocal apparatus.